| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 2186-2010 | English | 679 |
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Days<=5
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Technical requirements for Proxy Call Session Control Function (P-CSCF) of the unified IMS (Phase 1)
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YD/T 2186-2010
| Valid |
YD/T 2186-2010
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