YD/T 1388.4-2005
Technical requirements of the softswitch based services Part 4: Multiparty call services (English Version)
- Standard No.
- YD/T 1388.4-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YD/T 1388.4-2005
- Scope
- This part specifies the business meaning, business characteristics, service levels, and service usage methods of multi-party call services based on softswitch. This section applies to multi-party call services based on softswitch.
YD/T 1388.4-2005 Referenced Document
- YD/T 1388.1-2005 Technical requirements of the softswitch based services Part 1: Services system
- YD/T 1388.2-2005 Technical requirements of the softswitch based services Part 2:Number identification services
- YD/T 1388.3-2005 Technical requirements of the softswitch based services Part 3:Call forwarding services
- YD/T 1388.5-2005 Technical requirements of the softswitch based services Part 5:Click to dial services
- YD/T 1388.6-2005 Technical requirements of the softswitch based services Part 6:Video multimedia services
YD/T 1388.4-2005 history
- 2005 YD/T 1388.4-2005 Technical requirements of the softswitch based services Part 4: Multiparty call services
