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Work item:
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Q.3647 (ex Q.Sig_Req_ETS_IMS_roaming)
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Subject/title:
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Signalling requirements for emergency service in IMS roaming environment
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Status:
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Approved on 2023-02-13 [Issued from previous study period]
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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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-
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Liaison:
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ITU-T SG2, 3GPP SA6
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Supporting members:
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China Telecom; China Mobile; China Unicom; IAFI
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Summary:
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This Recommendation addresses the signalling requirements for emergency service in IMS roaming environment. It defines the signalling architecture, interfaces and functional description, signalling requirements, signalling procedures and security consideration of emergency service in home routing architecture of IP Multimedia Subsystem (IMS) roaming over Long Term Evolution (LTE) and LTE-Advanced.
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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:
2020-11-11 09:31:55
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Last update:
2023-01-12 12:05:33
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