DE69325051D1 - Anruffortschrittüberwachung - Google Patents

Anruffortschrittüberwachung

Info

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
Application number
DE69325051T
Other languages
English (en)
Other versions
DE69325051T2 (de
Inventor
Joseph F Khouri
Andrew Scott Crowe
Lai Daniel Tai-Nin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Communications Inc
Original Assignee
Siemens Business Communication Systems Inc
Rolm Systems
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Business Communication Systems Inc, Rolm Systems filed Critical Siemens Business Communication Systems Inc
Application granted granted Critical
Publication of DE69325051D1 publication Critical patent/DE69325051D1/de
Publication of DE69325051T2 publication Critical patent/DE69325051T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/533Voice mail systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/24Arrangements 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)
DE69325051T 1992-03-17 1993-03-09 Anruffortschrittüberwachung Expired - Fee Related DE69325051T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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