PRIVATE BRANCH EXCHANGING SYSTEM FOR VOICE ENCODING,申请号JP19870003247-传众专利搜索

PRIVATE BRANCH EXCHANGING SYSTEM FOR VOICE ENCODING

申请公布号：JPS63172555(A)

申请号：JP19870003247

申请日期：1987.01.12

申请公布日期：1988.07.16

申请人：

NEC CORP

发明人：SUGAWARA NOBUAKI

分类号：H04M3/00;H04M7/00;H04Q3/58;H04Q11/04

主分类号：H04M3/00

摘要：PURPOSE:To attain relay exchange and terminal station exchange by one exchange by using a relay means in case of relay exchange connection and using a conversion means in case of connection except the relay exchange connection to perform speech communication. CONSTITUTION:Digital private branch exchange 2, 3 a transmission and reception means for transmitting/receiving signal information among voice encoders 5-9, a relay means for relaying the voice information encoded by the voice encoders 5-9 transparently and the converting means for converting the information quantity of voice information and the information quantity of voice information subjected to voice encoding mutually are provided. Then the speech communication is attained by using the relay means in case of the relay exchange connection and by using the conversion means in case of the connection except the relay exchange connection. Thus, one set of exchange provides terminal station exchange functions and relay exchange functions.