Patent US1492074A successfully refreshed from Google Patents.
Patent US5485511A successfully refreshed from Google Patents.
US5485511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining the telephony features assigned to a telephone
Assignee: RPX Corp
•
Filing: 1994-09-08
•
Granted: 1996-01-16
•
Expires: 2014-09-08
Abstract
Abstract Method and apparatus for determining the telephony features assigned to a telephone connected to a central switch. By communicating with the central switch, the telephone generates a list of assigned telephony features. The list of telephony features is stored in a nonvolatile memory and displayed to the telephone user.
Inventors
- 👤 David Iglehart
- 👤 Robert D. Whittington
- 👤 Elie A. Jreij
- 👤 Andrzej Koscinski
- 👤 Leland Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:27
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/42; H04M3/42136; H04M1/00; H04M1/247; H04M1/2471; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0435; H04Q3/00; H04Q3/72; H04M2201/00; H04M2201/36; H04M2201/38; H04M3/42178; H04Q2213/00; H04Q2213/13103; H04Q2213/13104; H04Q2213/13106; H04Q2213/13109; H04Q2213/13209
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
120 words
Apparatus for determining which telephony features are assigned to a telephone within a telephone network having a central switch and a plurality of available telephony features, said apparatus comprising: feature activation means for sending a plurality of feature activation request signals from the telephone to the central switch, each of said feature activation request signals designating a telephony feature; a receiver for receiving feature status signals from the central switch, each of said feature status signals indicating whether a feature corresponding to a feature activation signal sent by said feature activation means is assigned to the telephone; and a processor for generating a list of features assigned to the telephone from said feature status signals received from the central switch.
Claim 2
Dependent Claim
120 words
Apparatus for determining which telephony features are assigned to a telephone within a telephone network having a central switch and a plurality of available telephony features, said apparatus comprising: feature activation means for sending a plurality of feature activation request signals from the telephone to the central switch, each of said feature activation request signals designating a telephony feature; a receiver for receiving feature status signals from the central switch, each of said feature status signals indicating whether a feature corresponding to a feature activation signal sent by said feature activation means is assigned to the telephone; and a processor for generating a list of features assigned to the telephone from said feature status signals received from the central switch.
Claim 3
Dependent Claim
19 words
The apparatus of claim 1, further comprising a memory for storing said list of features assigned to the telephone.
Claim 4
Dependent Claim
12 words
The apparatus of claim 2, wherein said memory is a nonvolatile memory.
Claim 5
Dependent Claim
19 words
The apparatus of claim 1, further comprising a display for displaying said list of features assigned to the telephone.
Claim 6
Dependent Claim
44 words
The apparatus of claim 4, further comprising a memory for storing said list of features assigned to the telephone, wherein said processor comprises means for retrieving said list of features from said memory and for causing said list to be displayed on said display.
Claim 7
Dependent Claim
26 words
The apparatus of claim 4, further comprising means for selecting features from said list of features displayed by said display and means for activating selected features.
Claim 8
Dependent Claim
17 words
The apparatus of claim 1, wherein the telephone and the central switch communicate using the NI1 protocol.
Claim 9
Dependent Claim
17 words
The apparatus of claim 1, wherein the telephone and the central switch communicate using the ETSI protocol.
Claim 10
Dependent Claim
88 words
A telephone, comprising: means for establishing a telephone connection with a predetermined telephone number through a central switch; feature activation means for sending a plurality of feature activation request signals to the central switch, said feature activation request signals designating telephone features to be activated; a receiver for receiving feature status signals from the central switch, said feature status signals indicating whether said telephony features are assigned to the telephone; and a processor for generating a list of features assigned to the telephone from said feature status signals.
Claim 11
Dependent Claim
88 words
A telephone, comprising: means for establishing a telephone connection with a predetermined telephone number through a central switch; feature activation means for sending a plurality of feature activation request signals to the central switch, said feature activation request signals designating telephone features to be activated; a receiver for receiving feature status signals from the central switch, said feature status signals indicating whether said telephony features are assigned to the telephone; and a processor for generating a list of features assigned to the telephone from said feature status signals.
Claim 12
Dependent Claim
19 words
The telephone of claim 9, further comprising a memory for storing said list of features assigned to the telephone.
Claim 13
Dependent Claim
19 words
The telephone of claim 9, further comprising a display for displaying said list of features assigned to the telephone.
Claim 14
Independent Claim
147 words
A method for determining which telephony features are assigned to a telephone within a telephone network having a central switch and a plurality of available telephony features, the telephone having a display, said method comprising the steps of: placing a telephone call from the telephone to a predetermined telephone number through the central switch; sending a plurality of feature activation request signals to the central switch, each of said feature activation request signals designating a telephone feature; receiving feature status signals corresponding to each of said feature activation request signals from the switch, said feature status signals indicating whether a telephony feature corresponding to each of said feature activation request signals is assigned to the telephone; generating a list of features assigned to the telephone from said feature status signals received from the switch; and displaying said list of features assigned to the telephone on the display.
Claim 15
Independent Claim
147 words
A method for determining which telephony features are assigned to a telephone within a telephone network having a central switch and a plurality of available telephony features, the telephone having a display, said method comprising the steps of: placing a telephone call from the telephone to a predetermined telephone number through the central switch; sending a plurality of feature activation request signals to the central switch, each of said feature activation request signals designating a telephone feature; receiving feature status signals corresponding to each of said feature activation request signals from the switch, said feature status signals indicating whether a telephony feature corresponding to each of said feature activation request signals is assigned to the telephone; generating a list of features assigned to the telephone from said feature status signals received from the switch; and displaying said list of features assigned to the telephone on the display.
Claim 16
Dependent Claim
22 words
The method of claim 12, further comprising the step of storing said list of features assigned to the telephone in a memory.
References Cited (Backward Citations)
US4759056A
Cited
US5012511A
Cited
US5222125A
Cited
US5377261A
Cited
US5355404A
Cited
US5404396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-15 | 1999-07-17 | 2000-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-15 | 2003-07-17 | 2004-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-15 | 2007-07-17 | 2008-01-16 | $7700.00 | Window Closed / Lapsed |