Method and system for data transmission

Claim 1

A method for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and wherein there are protocols on at least two layers comprising a higher protocol layer and a lower protocol layer. the higher protocol layer comprising a short message transfer protocol (SM- TP), and said interworking level comprises a protocol under the short message transfer protocol (SM-TP) and the protocol under the transfer protocol interworks with the respective DECT protocol, whereas the transfer protocol (SM-TP) is transmitted between the portable part and the short message service center substantially intact.

Claim 2

A method for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and wherein there are protocols on at least two layers comprising a higher protocol layer and a lower protocol layer. the higher protocol layer comprising a short message transfer protocol (SM- TP), and said interworking level comprises a protocol under the short message transfer protocol (SM-TP) and the protocol under the transfer protocol interworks with the respective DECT protocol, whereas the transfer protocol (SM-TP) is transmitted between the portable part and the short message service center substantially intact.

Claim 6

A method for transmitting short messages between a portable part (PP), a fixed part (FP). and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol lavers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and wherein there are protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, and wherein the higher protocol layer comprises a short message transfer protocol (SM-TP), which is used as the interworking level, and the short message transfer protocol (SM-TP) and the protocols on a lower protocol layer interwork with the respective DECT protocols.

Claim 7

A method for transmitting short messages between a portable part (PP), a fixed part (FP). and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol lavers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and wherein there are protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, and wherein the higher protocol layer comprises a short message transfer protocol (SM-TP), which is used as the interworking level, and the short message transfer protocol (SM-TP) and the protocols on a lower protocol layer interwork with the respective DECT protocols.

Claim 8

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers. and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM- TP), and wherein the short message control protocol (SM-CP) is used as the interworking level, and the short message control protocol interworks with the respective DECT protocol whereas the short message transfer protocol (SM-TP) and the short message relay protocol (SM-RP) are transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 9

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers. and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM- TP), and wherein the short message control protocol (SM-CP) is used as the interworking level, and the short message control protocol interworks with the respective DECT protocol whereas the short message transfer protocol (SM-TP) and the short message relay protocol (SM-RP) are transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 10

A method for transmitting short messages between a portable part (PP). a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), and wherein the short message relay protocol (SM-RP) is used as the interworking level, and the short message relay protocol (SM-RP) and the short message control protocol (SM-CP) interwork with the respective DECT protocols, whereas a short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 11

A method for transmitting short messages between a portable part (PP). a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), and wherein the short message relay protocol (SM-RP) is used as the interworking level, and the short message relay protocol (SM-RP) and the short message control protocol (SM-CP) interwork with the respective DECT protocols, whereas a short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 12

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), and the short message relay protocol (SM-RP) interworks with the respective DECT protocol whereas the short message control protocol (SM-CP) is not transmitted between the portable part and the fixed part, and the short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 13

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), and the short message relay protocol (SM-RP) interworks with the respective DECT protocol whereas the short message control protocol (SM-CP) is not transmitted between the portable part and the fixed part, and the short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 14

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers. and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as interworking level, and the short message transfer protocol (SM-TP), the short message relay protocol (SM-RP), and the short message control protocol (SM-CP) interwork with the respective DECT protocols, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 15

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers. and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as interworking level, and the short message transfer protocol (SM-TP), the short message relay protocol (SM-RP), and the short message control protocol (SM-CP) interwork with the respective DECT protocols, and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 16

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface. comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as the interworking level, and the short message transfer protocol (SM-TP) and the short message relay protocol interwork with the respective DECT protocols whereas the information of the short message control protocol (SM-CP) is not transmitted between the portable part (PP) and the fixed part (FP), and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 17

A method for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface. comprising the steps of: a first data transfer protocol corresponding with the DECT system is used in the data transfer between the portable part (PP) and the fixed part (FP), and a second data transfer protocol is used in the data transfer between the fixed part (FP) and the short message service center (SC), and wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and a determined protocol level is used as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol, and wherein there are protocols on three layers, the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as the interworking level, and the short message transfer protocol (SM-TP) and the short message relay protocol interwork with the respective DECT protocols whereas the information of the short message control protocol (SM-CP) is not transmitted between the portable part (PP) and the fixed part (FP), and wherein short messages between the fixed part and the short message service center are transmitted through a GSM mobile services switching center (MSC).

Claim 22

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol in the data transfer between the portable part and the fixed part, said first data transfer protocol being in accordance with the DECT system, means in the fixed part for using a second data transfer protocol in the data transfer between the fixed part and the short message center, wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, means for using a determined protocol level as an interworking level between said first data transfer protocol and said second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of said first data transfer protocol, and means for using protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, such that the higher protocol layer comprises a short message transfer protocol (SM-TP) and is used as the interworking level, and the short message transfer protocol (SM-TP) and the protocols on a lower protocol laver interwork with the respective DECT protocols.

Claim 23

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol in the data transfer between the portable part and the fixed part, said first data transfer protocol being in accordance with the DECT system, means in the fixed part for using a second data transfer protocol in the data transfer between the fixed part and the short message center, wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, means for using a determined protocol level as an interworking level between said first data transfer protocol and said second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of said first data transfer protocol, and means for using protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, such that the higher protocol layer comprises a short message transfer protocol (SM-TP) and is used as the interworking level, and the short message transfer protocol (SM-TP) and the protocols on a lower protocol laver interwork with the respective DECT protocols.

Claim 26

A system in accordance with claim wherein the fixed part (FP) has means for interworking of the first data transfer protocol with the second data transfer protocol.

Claim 33

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP), and means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and means for using protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, wherein the higher protocol layer comprises a short message transfer protocol (SM-TP) and the interworking level comprises a protocol under the short message transfer protocol (SM-TP) and the protocol under the transfer protocol interworks with the respective DECT protocol, such that the transfer protocol (SM-TP) is transmitted between the portable part and the short message service center substantially intact.

Claim 34

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP), and means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers, and means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; and means for using protocols on at least two layers comprising a higher protocol layer and a lower protocol layer, wherein the higher protocol layer comprises a short message transfer protocol (SM-TP) and the interworking level comprises a protocol under the short message transfer protocol (SM-TP) and the protocol under the transfer protocol interworks with the respective DECT protocol, such that the transfer protocol (SM-TP) is transmitted between the portable part and the short message service center substantially intact.

Claim 35

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message control protocol (SM-CP) is used as the interworking level, and the short message control protocol interworks with the respective DECT protocol such that the short message transfer protocol (SM-TP) and the short message relay protocol (SM-RP) are transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 36

A system for transmitting short messages between a portable part (PP), a fixed part (FP), and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message control protocol (SM-CP) is used as the interworking level, and the short message control protocol interworks with the respective DECT protocol such that the short message transfer protocol (SM-TP) and the short message relay protocol (SM-RP) are transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 37

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message relay protocol (SM-RP) is used as the interworking level, and the short message relay protocol (SM-RP) and the short message control protocol (SM-CP) interwork with the respective DECT protocols such that the short message transfer protocol (SM- TP) is transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 38

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message relay protocol (SM-RP) is used as the interworking level, and the short message relay protocol (SM-RP) and the short message control protocol (SM-CP) interwork with the respective DECT protocols such that the short message transfer protocol (SM- TP) is transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 39

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message relay protocol (SM-RP) interworks with the respective DECT protocol such that the short message control protocol (SM-CP) is not transmitted between the portable part and the fixed part, and the short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 40

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message relay protocol (SM-RP) interworks with the respective DECT protocol such that the short message control protocol (SM-CP) is not transmitted between the portable part and the fixed part, and the short message transfer protocol (SM-TP) is transmitted through the fixed part (FP) substantially intact; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 41

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as interworking level, and the short message transfer protocol (SM-TP), the short message relay protocol (SM-RP), and the short message control protocol (SM-CP) interwork with the respective DECT protocols; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 42

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as interworking level, and the short message transfer protocol (SM-TP), the short message relay protocol (SM-RP), and the short message control protocol (SM-CP) interwork with the respective DECT protocols; and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 43

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as the interworking level, and the short message transfer protocol (SM-TP) and the short message relay protocol interwork with the respective DECT protocols such that the information of the short message control protocol (SM-CP) is not transmitted between the portable part (PP) and the fixed part (FP); and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).

Claim 44

A system for transmitting short messages between a portable part (PP), a fixed part (FP) and a short message service center (SC) so that the information is transferred between the portable part (PP) and the fixed part (FP) through a radio interface, comprising: means for using a first data transfer protocol corresponding with the DECT system in the data transfer between the portable part (PP) and the fixed part (FP); means for using a second data transfer protocol in the data transfer between the fixed part (FP) and the short message service center (SC), wherein the first data transfer protocol and the second data transfer protocol both comprise different protocol layers; means for using a determined protocol level as an interworking level between the first data transfer protocol and the second data transfer protocol so that the interworking level of the second data transfer protocol interworks with the respective level of the first data transfer protocol; means for using protocols on three layers, with the lowest of the three protocol layers comprising a short message control protocol (SM-CP), the middle of the three protocol layers comprising a short message relay protocol (SM-RP) and the highest of the three protocol layers comprising a short message transfer protocol (SM-TP), wherein the short message transfer protocol (SM-TP) is used as the interworking level, and the short message transfer protocol (SM-TP) and the short message relay protocol interwork with the respective DECT protocols such that the information of the short message control protocol (SM-CP) is not transmitted between the portable part (PP) and the fixed part (FP); and means for transmitting short messages between the fixed part and the short message service center through a GSM mobile services switching center (MSC).