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Work item:
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Q.IMS-INT-RS
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Subject/title:
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IMS interconnection restoration architecture and procedures
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Status:
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Under study
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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New
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Equivalent number:
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-
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Timing:
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2027-02 (Medium priority)
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Liaison:
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3GPP
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Supporting members:
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CAICT; China Mobile; China Telecom; China Unicom
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Summary:
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This draft Recommendation focuses on the architecture and procedures for IMS interconnection restoration using a shared backup mechanism within the Inter-IMS NNI framework, which extends the fault recovery capabilities. It addresses service recovery during interconnection element or link failures by utilizing geographically distributed backup points.
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2025-12-16 11:34:54
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Last update:
2026-03-17 17:49:44
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