JPS58114656A - デイジタル多相ト−キ装置 - Google Patents

デイジタル多相ト−キ装置

Info

Publication number
JPS58114656A
JPS58114656A JP56210888A JP21088881A JPS58114656A JP S58114656 A JPS58114656 A JP S58114656A JP 56210888 A JP56210888 A JP 56210888A JP 21088881 A JP21088881 A JP 21088881A JP S58114656 A JPS58114656 A JP S58114656A
Authority
JP
Japan
Prior art keywords
information
address
memory
writing
ram1
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.)
Granted
Application number
JP56210888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6347186B2 (enrdf_load_stackoverflow
Inventor
Takao Shimizu
隆雄 清水
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56210888A priority Critical patent/JPS58114656A/ja
Publication of JPS58114656A publication Critical patent/JPS58114656A/ja
Publication of JPS6347186B2 publication Critical patent/JPS6347186B2/ja
Granted legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP56210888A 1981-12-28 1981-12-28 デイジタル多相ト−キ装置 Granted JPS58114656A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56210888A JPS58114656A (ja) 1981-12-28 1981-12-28 デイジタル多相ト−キ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56210888A JPS58114656A (ja) 1981-12-28 1981-12-28 デイジタル多相ト−キ装置

Publications (2)

Publication Number Publication Date
JPS58114656A true JPS58114656A (ja) 1983-07-08
JPS6347186B2 JPS6347186B2 (enrdf_load_stackoverflow) 1988-09-20

Family

ID=16596748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56210888A Granted JPS58114656A (ja) 1981-12-28 1981-12-28 デイジタル多相ト−キ装置

Country Status (1)

Country Link
JP (1) JPS58114656A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136568U (ja) * 1984-02-21 1985-09-10 三洋電機株式会社 電子式電話交換機
JPH0292142A (ja) * 1988-09-29 1990-03-30 Taiko Denki Seisakusho:Kk 音声メッセージの送出装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60136568U (ja) * 1984-02-21 1985-09-10 三洋電機株式会社 電子式電話交換機
JPH0292142A (ja) * 1988-09-29 1990-03-30 Taiko Denki Seisakusho:Kk 音声メッセージの送出装置

Also Published As

Publication number Publication date
JPS6347186B2 (enrdf_load_stackoverflow) 1988-09-20

Similar Documents

Publication Publication Date Title
US4069399A (en) TDM PCM Communication system
US4119807A (en) Digital time division multiplex switching system
US3984643A (en) Method and apparatus for establishing a plurality of simultaneous conferences in a PCM switching system
JPS60253361A (ja) 会議通話機能を有する交換システム
IE43367B1 (en) Method and apparatus for establishing a plurality of simultaneous conferences in a pcm switching system
US3899642A (en) Method of distributing tone and alerting signals in a TDM communication system
US5959977A (en) Apparatus for embodying combined time switching and conference calling functions
JPS6218897A (ja) デ−タワ−ド交換方法及び装置
JPS58114656A (ja) デイジタル多相ト−キ装置
JPS59501439A (ja) デマルチプレクサ回路
US5257260A (en) Expanding switching capability of a time division communication system by multiplexing groups of circuits into successions
US3904831A (en) Tone control arrangement for electronic PABX
JP2775002B2 (ja) 呼出信号制御装置
CA1051998A (en) Tdm pcm communication system
JPS58111599A (ja) 時分割多重通信システムにおける切換え回路網及びその方法
JPH04239254A (ja) マルチ接続トーキーにおけるメッセージ頭出し方式
JP3416195B2 (ja) 構内ディジタル電子交換機のｐｂ信号送出方法
JPS6117439B2 (enrdf_load_stackoverflow)
JP2689451B2 (ja) 構内自動交換機
JP2001514824A (ja) 電気通信接続の確立
JP2928321B2 (ja) メモリスイッチ制御方式
JPH10294797A (ja) 音声供給装置
JP2600494B2 (ja) 分割ｈチャンネル交換伝送方式
JPS58115965A (ja) 通話路試験方式
JPH0575714A (ja) サービストーン発生回路