NL7213753A - - Google Patents

Info

Publication number
NL7213753A
NL7213753A NL7213753A NL7213753A NL7213753A NL 7213753 A NL7213753 A NL 7213753A NL 7213753 A NL7213753 A NL 7213753A NL 7213753 A NL7213753 A NL 7213753A NL 7213753 A NL7213753 A NL 7213753A
Authority
NL
Netherlands
Application number
NL7213753A
Other versions
NL161017C (nl
NL161017B (nl
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 filed Critical
Publication of NL7213753A publication Critical patent/NL7213753A/xx
Publication of NL161017B publication Critical patent/NL161017B/xx
Application granted granted Critical
Publication of NL161017C publication Critical patent/NL161017C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42314Systems providing special services or facilities to subscribers in private branch exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/20Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/2044Group features, e.g. closed user group
NL7213753.A 1971-10-15 1972-10-11 Huistelefooncentrale. NL161017C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18956471A 1971-10-15 1971-10-15

Publications (3)

Publication Number Publication Date
NL7213753A true NL7213753A (xx) 1973-04-17
NL161017B NL161017B (nl) 1979-07-16
NL161017C NL161017C (nl) 1979-12-17

Family

ID=22697873

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7213753.A NL161017C (nl) 1971-10-15 1972-10-11 Huistelefooncentrale.

Country Status (13)

Country Link
US (1) US3737587A (xx)
JP (1) JPS5318286B2 (xx)
AR (1) AR194623A1 (xx)
AU (1) AU462134B2 (xx)
BE (1) BE790108A (xx)
CA (1) CA961140A (xx)
DE (1) DE2250014C3 (xx)
ES (1) ES407624A1 (xx)
FR (1) FR2162854A5 (xx)
GB (1) GB1404166A (xx)
IT (1) IT975258B (xx)
NL (1) NL161017C (xx)
SE (1) SE387029B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832495A (en) * 1972-12-18 1974-08-27 Rca Corp Information transfer system for a pbx
US4150257A (en) * 1977-10-31 1979-04-17 Bell Telephone Laboratories, Incorporated Communication system call coverage arrangements
JPS54151699U (xx) * 1978-04-10 1979-10-22
CA1146245A (en) * 1980-05-16 1983-05-10 Patrick R. Beirne Keyless and indicatorless local telephone switching system
JPS627960U (xx) * 1985-06-29 1987-01-17
US6169904B1 (en) 1993-07-08 2001-01-02 Qwest Communications International Inc. System and method for automatically distributing communications to selected locations
US5809130A (en) * 1993-07-08 1998-09-15 U S West Advanced Technologies, Inc. System and method for selectively retrieving communications from any selected location
US6301350B1 (en) 1995-06-30 2001-10-09 Qwest Communications International, Inc. System and method for call handling
US7492887B1 (en) * 1998-12-22 2009-02-17 Siemens Communications Network group pickup
DE10016248A1 (de) * 2000-03-31 2001-10-11 Siemens Ag Verfahren zur Anrufweiterleitung in einem Kommunikationsnetz
GB2369960B (en) * 2000-12-08 2004-12-08 Orange Personal Comm Serv Ltd Call processing
JP4508755B2 (ja) * 2004-07-14 2010-07-21 富士通株式会社 Sipに従った通信システム及び通信端末
US8908835B1 (en) 2005-09-22 2014-12-09 Verizon Patent And Licensing Inc. Method and system for providing forced hold behavior in a SIP-based network
CN108986828B (zh) * 2018-08-31 2021-05-28 北京中兴高达通信技术有限公司 呼叫的建立方法及装置、存储介质、电子装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363062A (en) * 1964-10-07 1968-01-09 Bell Telephone Labor Inc Telephone switching system having electronic finder-connector link circuit

Also Published As

Publication number Publication date
AR194623A1 (es) 1973-07-31
US3737587A (en) 1973-06-05
JPS4848012A (xx) 1973-07-07
AU462134B2 (en) 1975-06-19
AU4754872A (en) 1974-04-26
BE790108A (fr) 1973-02-01
JPS5318286B2 (xx) 1978-06-14
DE2250014C3 (de) 1980-06-26
SE387029B (sv) 1976-08-23
FR2162854A5 (xx) 1973-07-20
NL161017C (nl) 1979-12-17
ES407624A1 (es) 1975-10-01
GB1404166A (en) 1975-08-28
IT975258B (it) 1974-07-20
CA961140A (en) 1975-01-14
NL161017B (nl) 1979-07-16
DE2250014A1 (de) 1973-04-19
DE2250014B2 (de) 1976-05-26

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: WEST ELECTRIC