DE69325051D1 - Anruffortschrittüberwachung - Google Patents
AnruffortschrittüberwachungInfo
- Publication number
- DE69325051D1 DE69325051D1 DE69325051T DE69325051T DE69325051D1 DE 69325051 D1 DE69325051 D1 DE 69325051D1 DE 69325051 T DE69325051 T DE 69325051T DE 69325051 T DE69325051 T DE 69325051T DE 69325051 D1 DE69325051 D1 DE 69325051D1
- Authority
- DE
- Germany
- Prior art keywords
- call progress
- progress monitoring
- monitoring
- call
- progress
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012544 monitoring process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
- H04M3/533—Voice mail systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Debugging And Monitoring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/852,594 US5222083A (en) | 1992-03-17 | 1992-03-17 | Call progress monitoring |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69325051D1 true DE69325051D1 (de) | 1999-07-01 |
DE69325051T2 DE69325051T2 (de) | 1999-10-21 |
Family
ID=25313741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69325051T Expired - Fee Related DE69325051T2 (de) | 1992-03-17 | 1993-03-09 | Anruffortschrittüberwachung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5222083A (de) |
EP (1) | EP0568792B1 (de) |
JP (1) | JPH06261117A (de) |
CA (1) | CA2091637C (de) |
DE (1) | DE69325051T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5495516A (en) * | 1994-06-09 | 1996-02-27 | General Datacomm, Inc. | Diagnostic channel wakeup sequence for network managed fractional T1 or E1 digital service units |
US5859895A (en) * | 1995-12-07 | 1999-01-12 | Bell Atlantic Network Services, Inc. | Auxiliary circuit switching for provisioning and/or repair in a fiber-to-the-curb system |
US6002502A (en) * | 1995-12-07 | 1999-12-14 | Bell Atlantic Network Services, Inc. | Switchable optical network unit |
KR100227517B1 (ko) * | 1997-06-18 | 1999-11-01 | 서평원 | 교환기에서 호 감시 시스템 및 방법 |
DE19928782A1 (de) * | 1999-06-23 | 2000-12-28 | Siemens Ag | Verfahren für eine Nachrichtenübermittlung zwischen zwei Kommunikationseinrichtungen |
US7212858B2 (en) | 1999-06-26 | 2007-05-01 | Biotronik Mess- Und Therapiegeraete Gmbh & Co. Ingenieurbuero Berlin | Therapy system |
GB0013180D0 (en) | 2000-06-01 | 2000-07-19 | Ibm | Testing voice message applications |
US7110936B2 (en) * | 2001-02-23 | 2006-09-19 | Complementsoft Llc | System and method for generating and maintaining software code |
US8737597B2 (en) | 2009-01-27 | 2014-05-27 | Cisco Technology, Inc. | Call progress analysis on the edge of a VoIP network |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165450A (en) * | 1978-05-17 | 1979-08-21 | Northern Telecom Inc. | Telephone signalling test system |
US4807274A (en) * | 1988-02-01 | 1989-02-21 | Octel Communications Corporation | Telephone line quality testing system |
-
1992
- 1992-03-17 US US07/852,594 patent/US5222083A/en not_active Expired - Lifetime
-
1993
- 1993-03-09 DE DE69325051T patent/DE69325051T2/de not_active Expired - Fee Related
- 1993-03-09 EP EP93103787A patent/EP0568792B1/de not_active Expired - Lifetime
- 1993-03-15 CA CA002091637A patent/CA2091637C/en not_active Expired - Fee Related
- 1993-03-17 JP JP5056906A patent/JPH06261117A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2091637C (en) | 1995-03-28 |
EP0568792A2 (de) | 1993-11-10 |
US5222083A (en) | 1993-06-22 |
EP0568792B1 (de) | 1999-05-26 |
CA2091637A1 (en) | 1993-09-18 |
JPH06261117A (ja) | 1994-09-16 |
DE69325051T2 (de) | 1999-10-21 |
EP0568792A3 (en) | 1994-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS INFORMATION AND COMMUNICATION SYSTEMS INC. |
|
8328 | Change in the person/name/address of the agent |
Free format text: ZEDLITZ, P., DIPL.-INF.UNIV., PAT.-ANW., 80331 MUENCHEN |
|
8328 | Change in the person/name/address of the agent |
Free format text: BERG, P., DIPL.-ING., PAT.-ASS., 80339 MUENCHEN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS INFORMATION AND COMMUNICATION NETWORKS,INC |
|
8339 | Ceased/non-payment of the annual fee |