YD/T 2011-2009 PDF English
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YD/T 2011: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| YD/T 2011-2009 | English | 469 | Add to Cart | 3 days [Need to translate] | Technical requirements of services based on the unified IMS. Call waiting (CW) and call HOLD (HOLD) service (Release 1) |
| YD 2011-1993 | English | 879 | Add to Cart | 6 days [Need to translate] | Code for design of lighting protection and earthing of micro wave station |
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Basic data
| Standard ID | YD/T 2011-2009 (YD/T2011-2009) |
| Description (Translated English) | Technical requirements of services based on the unified IMS. Call waiting (CW) and call HOLD (HOLD) service (Release 1) |
| Sector / Industry | Telecommunication Industry Standard (Recommended) |
| Classification of Chinese Standard | M21 |
| Classification of International Standard | 33.030 |
| Word Count Estimation | 18,121 |
| Date of Issue | 2009-12-11 |
| Date of Implementation | 2010-01-01 |
| Quoted Standard | 3GPP TS 24.623 V8.1.0-2008 |
| Regulation (derived from) | MIIT (2009) No. 68; industry standard filing Notice 2010 No. 3 (total 123) |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the IMS-based unified call waiting and call hold business business business description and business characteristics, business services, terminals, business management, business trigger, business entities and signaling of functional requirements, and the other based on a unified IMS service between interactions and other requirements. This standard applies to IMS-based Unified Call Waiting and Call Hold service business. |
