JPH021464B2 - - Google Patents
Info
- Publication number
- JPH021464B2 JPH021464B2 JP18361283A JP18361283A JPH021464B2 JP H021464 B2 JPH021464 B2 JP H021464B2 JP 18361283 A JP18361283 A JP 18361283A JP 18361283 A JP18361283 A JP 18361283A JP H021464 B2 JPH021464 B2 JP H021464B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- noise
- signal
- circuit
- conference
- 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
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
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/35—Aspects of automatic or semi-automatic exchanges related to information services provided via a voice call
- H04M2203/352—In-call/conference information service
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18361283A JPS6075161A (ja) | 1983-09-30 | 1983-09-30 | 会議電話雑音插入装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18361283A JPS6075161A (ja) | 1983-09-30 | 1983-09-30 | 会議電話雑音插入装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6075161A JPS6075161A (ja) | 1985-04-27 |
| JPH021464B2 true JPH021464B2 (cs) | 1990-01-11 |
Family
ID=16138833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18361283A Granted JPS6075161A (ja) | 1983-09-30 | 1983-09-30 | 会議電話雑音插入装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6075161A (cs) |
-
1983
- 1983-09-30 JP JP18361283A patent/JPS6075161A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6075161A (ja) | 1985-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1070416B1 (en) | Teleconferencing system | |
| US7428223B2 (en) | Method for background noise reduction and performance improvement in voice conferencing over packetized networks | |
| US4499578A (en) | Method and apparatus for controlling signal level in a digital conference arrangement | |
| US5436896A (en) | Conference bridge for packetized speech-signal networks | |
| US5351288A (en) | Voice bridge for a relay center | |
| US4475190A (en) | Method and apparatus for controlling ports in a digital conference arrangement | |
| US4479211A (en) | Method and apparatus for controlling ports in a digital conference arrangement | |
| GB2351872A (en) | Descriminating between voice and ringing tone data and sending each to a dedicated audio output | |
| JPH021464B2 (cs) | ||
| JPH037308B2 (cs) | ||
| JP2662825B2 (ja) | 会議通話端末装置 | |
| JPS63198454A (ja) | デイジタル電話機 | |
| JPS60204158A (ja) | 会議電話方式 | |
| JPS6018052A (ja) | デイジタル式会議通話装置 | |
| JPS6010958A (ja) | デイジタル式会議通話装置 | |
| JPS60132451A (ja) | 会議電話方式 | |
| KR100407934B1 (ko) | 교환기에서비밀통화를제공하는다자간통화시스템 | |
| JP3151950B2 (ja) | ループ型ネットワークにおける一斉通話装置 | |
| JPS603255A (ja) | 会議通話回路 | |
| JPS62294367A (ja) | 会議通話方式 | |
| JPS6269765A (ja) | 会議電話方式 | |
| JPS61224550A (ja) | 音声会議装置における音質劣化防止方式 | |
| JPS61238157A (ja) | デイジタル会議トランク | |
| JPS6128228A (ja) | 会議電話システム用無通話制御装置 | |
| JPH0759008B2 (ja) | 電話会議システム |