JPS6441547A - Compressed voice data exchange system - Google Patents

Compressed voice data exchange system

Info

Publication number
JPS6441547A
JPS6441547A JP19838487A JP19838487A JPS6441547A JP S6441547 A JPS6441547 A JP S6441547A JP 19838487 A JP19838487 A JP 19838487A JP 19838487 A JP19838487 A JP 19838487A JP S6441547 A JPS6441547 A JP S6441547A
Authority
JP
Japan
Prior art keywords
signal
talking
station
path
relay exchange
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.)
Pending
Application number
JP19838487A
Other languages
Japanese (ja)
Inventor
Yoichi Imaizumi
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 JP19838487A priority Critical patent/JPS6441547A/en
Publication of JPS6441547A publication Critical patent/JPS6441547A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To eliminate need for dividing a digital interface signal line into the talking of its own station and the relay exchange portion by adopting the constitution such that a CODEC and a format conversion section are switched depending whether or not a path is for its own station talking portion or a relay exchange portion so as to eliminate need for an analog interface line. CONSTITUTION:A path discrimination section 4 is provided to a digital relay exchange 1 and the path deciding section 4 decides whether or not the path is for its own station talking portion or a relay exchange portion and a changeover means 7 of a multiplexer 2 is turned to the position show in solid lines in case of the own station talking, the signal is through a digital interface signal line 3 and a CODEC 5 to compress the signal at the sender side into a signal rate of 16Kbps or below and to unpack the signal at the receiver side into a rate of 64Kbps for the talking purpose. In case of relay exchange, the changeover means 7 is turned to the position shown in dotted lines, the signal is through a format conversion section 6 at the reception side to bring the signal of 16Kbps or below into a signal of 64Kbps through the addition of a dummy signal, the result is sent to the exchange 1 via the digital interface signal line 3 and exchanged and then sent to the format exchange section 6 of the multiplexer 2 via the digital interface signal line 3, where the dummy signal is excluded and the signal is restored to the original 16Kbps signal and the result is sent to an opposite station.
JP19838487A 1987-08-07 1987-08-07 Compressed voice data exchange system Pending JPS6441547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19838487A JPS6441547A (en) 1987-08-07 1987-08-07 Compressed voice data exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19838487A JPS6441547A (en) 1987-08-07 1987-08-07 Compressed voice data exchange system

Publications (1)

Publication Number Publication Date
JPS6441547A true JPS6441547A (en) 1989-02-13

Family

ID=16390228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19838487A Pending JPS6441547A (en) 1987-08-07 1987-08-07 Compressed voice data exchange system

Country Status (1)

Country Link
JP (1) JPS6441547A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05136897A (en) * 1991-03-18 1993-06-01 Fujitsu Ltd Trunk line discrimination system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05136897A (en) * 1991-03-18 1993-06-01 Fujitsu Ltd Trunk line discrimination system

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