US5539804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Common channel signalling communication monitoring system
Assignee: Cvidya 2010 Ltd
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Filing: 1994-02-25
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Granted: 1996-07-23
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Expires: 2014-02-25
Abstract
Abstract A channel monitoring system for monitoring a multiplicity of transmission lines including a plurality of channel monitors, a line assignment controller operative to determine a subset of the plurality of channel monitors to be assigned to monitoring an individual transmission line, an access switch operative, in response to an input from the controller, to connect the individual transmission line to the preferred number of monitors from among the plurality of channel monitors.
Inventors
- 👤 Hausting Hong
- 👤 Eric Yam
- 👤 D. P. Patel
- 👤 Vaikunth Gupta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/22
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
158 words
A common channel signalling communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; a voiceband channel signalling characteristic indicator operative to provide an output indication of at least one voiceband channel signalling characteristic carried on at least one of the common channel signalling channels; at least one call quality monitor receiving signaling information from at least one of the in-service common channel signaling channel monitors and being operative to monitor call quality of a plurality of individual telephone calls; a call type discriminator operative to determine the call type of each of the plurality of individual telephone calls; and a call quality output generator operative to generate an output indication of the call quality and of the type of call, for each of the plurality of telephone calls.
Claim 2
Dependent Claim
158 words
A common channel signalling communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; a voiceband channel signalling characteristic indicator operative to provide an output indication of at least one voiceband channel signalling characteristic carried on at least one of the common channel signalling channels; at least one call quality monitor receiving signaling information from at least one of the in-service common channel signaling channel monitors and being operative to monitor call quality of a plurality of individual telephone calls; a call type discriminator operative to determine the call type of each of the plurality of individual telephone calls; and a call quality output generator operative to generate an output indication of the call quality and of the type of call, for each of the plurality of telephone calls.
Claim 3
Dependent Claim
32 words
A system according to claim 1 wherein the call type of each individual telephone call may comprise any of the following group of call types: voice; fax; digital data; and modem data.
Claim 4
Dependent Claim
31 words
A system according to claim 1 wherein the call quality output generator is operative to provide a general indication of call quality for a time interval including a multiplicity of calls.
Claim 5
Dependent Claim
82 words
A common channel signalling communication monitoring method comprising: in-service monitoring of a plurality of individual telephone channels having common signalling; providing an output indication of at least one characteristic of the plurality of individual telephone channels; monitoring call quality of a plurality of individual telephone calls; discriminating the call type of each of the plurality of individual telephone calls; and generating an output indication of the call quality and of the type of call, for each of the plurality of telephone calls.
Claim 6
Dependent Claim
82 words
A common channel signalling communication monitoring method comprising: in-service monitoring of a plurality of individual telephone channels having common signalling; providing an output indication of at least one characteristic of the plurality of individual telephone channels; monitoring call quality of a plurality of individual telephone calls; discriminating the call type of each of the plurality of individual telephone calls; and generating an output indication of the call quality and of the type of call, for each of the plurality of telephone calls.
Claim 7
Dependent Claim
109 words
A common channel signalling communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; at least one voiceband channel monitor operative to monitor at least one voiceband channel; and a voiceband channel signalling characteristic indicator operative to provide an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 8
Dependent Claim
109 words
A common channel signalling communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; at least one voiceband channel monitor operative to monitor at least one voiceband channel; and a voiceband channel signalling characteristic indicator operative to provide an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 9
Dependent Claim
18 words
A channel monitoring system according to claim 5 wherein the voiceband channel monitor comprises a call quality monitor.
Claim 10
Dependent Claim
18 words
A channel monitoring system according to claim 5 wherein the voiceband channel monitor comprises a call type monitor.
Claim 11
Dependent Claim
25 words
A channel monitoring system according to claim 5 wherein the common channel signalling channel monitor is operative to monitor telephone calls employing channel associated signalling.
Claim 12
Dependent Claim
15 words
A channel monitoring system according to claim 5 wherein each said channel monitor is nonintrusive.
Claim 13
Dependent Claim
62 words
Apparatus according to claim 5 wherein said indicator comprises a signalling information filter and director operative to filter signalling data carried on at least one of the common channel signalling channels, to extract signalling information pertaining to at least one individual channel; and to direct said signalling information pertaining to at least one individual channel to a monitor handling said individual channel.
Claim 14
Dependent Claim
51 words
Apparatus according to claim 10 wherein said signalling information filter and director is operative to receive a signalling information request including an indication of at least one of the following codes identifying a voiceband channel to be monitored: a CIC code (circuit ID code); a source code; and a destination code.
Claim 15
Dependent Claim
14 words
Apparatus according to claim 5 wherein said common channel signalling channels comprise CCITT#7 channels.
Claim 16
Dependent Claim
27 words
A system according to claim 5 wherein the output indication of the signalling characteristic is generated by at least one of the common channel signalling channel monitors.
Claim 17
Dependent Claim
21 words
A system according to claim 5 wherein the common channel signalling channel monitor comprises a nonintrusive common channel signalling channel monitor.
Claim 18
Dependent Claim
91 words
A common channel signalling communication monitoring method comprising: in-service monitoring of a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; providing a voiceband channel monitor operative to monitor at least one voiceband channel; and providing an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 19
Dependent Claim
91 words
A common channel signalling communication monitoring method comprising: in-service monitoring of a plurality of common channel signalling channels each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; providing a voiceband channel monitor operative to monitor at least one voiceband channel; and providing an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 20
Dependent Claim
21 words
A method according to claim 15 wherein the output indication of the signalling characteristic is generated by the in-service monitoring step.
Claim 21
Dependent Claim
28 words
A method according to claim 15 wherein the in-service monitoring step comprises a non-intrusive in-service monitoring step in which each of said plurality of channels is monitored nonintrusively.
Claim 22
Dependent Claim
106 words
A communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor at least one common channel signalling channel each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; at least one voiceband channel monitor operative to monitor at least one voiceband channel; and a voiceband channel signalling characteristic indicator operative to provide an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 23
Dependent Claim
106 words
A communication monitoring system comprising: at least one in-service common channel signalling channel monitor operative to monitor at least one common channel signalling channel each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; at least one voiceband channel monitor operative to monitor at least one voiceband channel; and a voiceband channel signalling characteristic indicator operative to provide an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 24
Dependent Claim
90 words
A communication monitoring method comprising: in-service monitoring of at least one common channel signalling channel each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; providing at least one voiceband channel monitor operative to monitor at least one voiceband channel; and providing an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 25
Dependent Claim
90 words
A communication monitoring method comprising: in-service monitoring of at least one common channel signalling channel each carrying at least one signalling characteristic pertaining to each of a multiplicity of voiceband channels; providing at least one voiceband channel monitor operative to monitor at least one voiceband channel; and providing an output indication of a signalling characteristic carried on at least one of the common channel signalling channels and pertaining to at least one individual voiceband channel to the voiceband channel monitor operative to monitor said at least one individual voiceband channel.
Claim 26
Dependent Claim
18 words
A system according to claim 1 wherein said call quality monitor comprises a voiceband channel call quality monitor.
References Cited (Backward Citations)
US4513175A
Cited
US4672657A
Cited
US4932048A
Cited
USRE34529E
Cited
US5333187A
Cited
US5317633A
Cited
US5086461A
Cited
US5414754A
Cited
US5309434A
Cited
US5283638A
Cited
US5315647A
Cited
US5327489A
Cited
US5299257A
Cited
US5325423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-07-23 | 2000-01-22 | 2000-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-23 | 2004-01-22 | 2004-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-23 | 2008-01-22 | 2008-07-23 | $7700.00 | Window Closed / Lapsed |