Standard Number: YD/T 4185-2023(YD/T4185-2023)
Chinese:IMS网间互通实施要求
English:IMS InterNetwork Interoperability Implementation Requirements
Effective Date:2023-08-01
Standard Applicability:This document specifies the architecture, routing organization principle, service requirements, protocol requirements, IP bearer networking scheme, disaster recovery mechanism requirements, settlement requirements, signaling monitoring requirements, testing requirements, and gives relevant recommendations for IMS inter-network interworking. This document is applicable to different operators for reference when constructing IMS network interoperability.
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