CALL METHOD, SYSTEM AND DEVICE

WIPO Patent Application WO/2021/175254

A1

A call method, system and device. The method comprises: a first terminal receiving an operator voice call of a second terminal, wherein a call object of the operator voice call is an operator number of the first terminal; in response to the received operator voice call, the first terminal initiating a voice over IP (VOIP) voice call to a third terminal on the basis of a network address of the third terminal; the first terminal receiving a response message sent by the third terminal; in response to the received response message, the first terminal connecting the operator voice call; the first terminal converting operator voice data from the second terminal into VOIP voice data, and sending the converted VOIP voice data to the third terminal; and the first terminal converting the VOIP voice data from the third terminal into the operator voice data, and sending the converted operator voice data to the second terminal.

JP2001309471	HIGHLY EFFICIENT SOUND ENCODING/DECODING DIGITAL 1 LINK REPEATING SYSTEM
WO/2003/026264	NETWORK CONNECTION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, COMMUNICATION PROGRAM, AND RECORDING MEDIUM
WO/2001/052509	METHODS AND APPARATUS FOR PREFETCHING AN AUDIO SIGNAL USING AN AUDIO WEB RETRIEVAL TELEPHONE SYSTEM

LIANG YONG (CN)

PCT/CN2021/078891

September 10, 2021

March 03, 2021

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HUAWEI TECH CO LTD (CN)

H04M7/00; H04M3/54; H04M3/58; H04W4/16

CN112261237A	2021-01-22
CN107920160A	2018-04-17
CN103634766A	2014-03-12
CN105101131A	2015-11-25
CN110191241A	2019-08-30
CN103974216A	2014-08-06
CN103051815A	2013-04-17
CN107682828A	2018-02-09

BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)

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