China 'YD/T 1522.7-2013
' Industry standard english version:
YD
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
YD/T 1522.7-2013
Technical requirements for session initiation protocol. Part 7: SIP supporting presence and instant message service 会话初始协议（sip）技术要求 第7部分：sip支持呈现和即时消息业务
Issued Date:2013-04-25
Implemented Date:2013-06-01
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
YD/T 1522.7-2013
Standard Category
China Telecommunication
Standards
GB Standard English Title
Technical requirements for session initiation protocol. Part 7: SIP supporting presence and instant message service
GB Standard Chinese Title
会话初始协议（sip）技术要求 第7部分：sip支持呈现和即时消息业务
Chinese
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English
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