TW215139B - - Google Patents

Download PDF

Info

Publication number
TW215139B
TW215139B TW80108089A TW80108089A TW215139B TW 215139 B TW215139 B TW 215139B TW 80108089 A TW80108089 A TW 80108089A TW 80108089 A TW80108089 A TW 80108089A TW 215139 B TW215139 B TW 215139B
Authority
TW
Taiwan
Prior art keywords
dce
pstn
telephone
phone
dte
Prior art date
Application number
TW80108089A
Other languages
English (en)
Chinese (zh)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of TW215139B publication Critical patent/TW215139B/zh

Links

Landscapes

  • Telephonic Communication Services (AREA)
TW80108089A 1990-12-05 1991-10-14 TW215139B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90480248 1990-12-05

Publications (1)

Publication Number Publication Date
TW215139B true TW215139B (fr) 1993-10-21

Family

ID=51357208

Family Applications (1)

Application Number Title Priority Date Filing Date
TW80108089A TW215139B (fr) 1990-12-05 1991-10-14

Country Status (1)

Country Link
TW (1) TW215139B (fr)

Similar Documents

Publication Publication Date Title
US5822406A (en) Switching circuit for automatically routing audio and data signals between a modem, telephone, and I/O devices
TW546958B (en) Telephone network node device
JPH08511381A (ja) 機密アクセス電話内線システムおよびその方法
US5369691A (en) Telephonic information communication method and apparatus
US6658108B1 (en) System and method for distributing power over a premises network
CN1025648C (zh) 与数据电路终端设备一起使用的耦合设备
JPS59169296A (ja) キ−テレホン伝送方式
TW311308B (fr)
WO2000067452A1 (fr) Dispositif adaptateur pour telephonie par reseau informatique
TW215139B (fr)
US4112261A (en) Key telephone system and method
KR100543739B1 (ko) 아날로그 전화 장치를 디지털, 아날로그 또는 하이브리드전화 스위칭 시스템에 인터페이싱하는 방법 및 장치
JP2544857B2 (ja) 結合装置、デ―タ回線終端装置及びワ―クステ―ション
WO2000035179A1 (fr) Dispositif et procede d'interface de carte son pour ordinateur-telephone
TW199952B (fr)
JP2001069251A (ja) ドアホン装置
US4852158A (en) Telephone system allowing hold releasing request from central office line
KR920002802B1 (ko) 전력선 전화 증설 시스템
KR200283051Y1 (ko) 원거리 가입자를 위한 브이오아이피 기술을 이용한 소형인터넷 전화 관문장치
US20060240861A1 (en) On-waiting apparatus of communication device
KR20060074671A (ko) 전화기의 자동 다이얼링 장치 및 그 방법
CN102045464A (zh) 一种电信接入网实现主、被叫中继的方法和装置
JPH11234420A (ja) 端末網制御装置
JPS60106262A (ja) 端末給電方式
HK202596A (en) Coupling device to be connected to a dce for allowing the connection to different public switched telephone networks, dce and workstation including the same