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YD/T 1522.4-2009 English PDF

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YD/T 1522.4-2009: Technical Requirements for Session Initiation Protocol. Part 4: SIP’s Applications about call control Based on Softswitching Network
Status: Valid
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YD/T 1522.4-2009English789 Add to Cart 5 days [Need to translate] Technical Requirements for Session Initiation Protocol. Part 4: SIP’s Applications about call control Based on Softswitching Network Valid YD/T 1522.4-2009

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Basic data

Standard ID YD/T 1522.4-2009 (YD/T1522.4-2009)
Description (Translated English) Technical Requirements for Session Initiation Protocol. Part 4: SIP��s Applications about call control Based on Softswitching Network
Sector / Industry Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard M12
Classification of International Standard 33.040.30
Word Count Estimation 30,324
Date of Issue 2009-06-15
Date of Implementation 2009-09-01
Quoted Standard YD/T 1522.1-2006; YD/T 1522.3-2006; YD/T 1522.31-2009; YD/T 1936-2009; YDN 038-1997; YDN 065-1997; YDC 045-2007; IETF RFC 3326; IETF RFC 3903; IETF RFC 4028
Regulation (derived from) Industry standard filing Notice 2009 No. 10 (No. 118 overall)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the softswitch network support SIP message format and content, including SIP/SIP-I protocol softswitch network for basic services, supplementary services, connectivity checks and various business support technologies such as signaling processes requirements. This standard applies to our use of SIP/SIP-I protocol fixed softswitch network equipment and terminals. Does not apply to nomadic services, mobile services.

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