The
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supports routing non-INVITE messages, including out-of-dialog messages, in SIP core in addition to INVITE only messages.Note
The
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supports the tgrp/tgrp-context functionality in R-URI for INVITE and NON-INVITE.Routing non-INVITE out-of-dialog messages is supported for the following types of SIP messages:
- MESSAGE
- NOTIFY
- REFER
- REGISTER
- OPTIONS
- INFO
- SUBSCRIBE
- PUBLISH
The basic configuration required to enable routing of non-INVITE messages using SIP In Core is as follows:
- Enable signaling flag
relayNonInviteRequest
on the all the Trunk Groups including the default SIP Trunk Groups.
Reference: SIP Trunk Group - Signaling - CLI - Enable new flag
sipRegRelay
on the default Zone
Reference: Common IP Attributes - SIP - CLI - Set the
relayFlags
related to the appropriate events needed on the Inter-Gateway Signaling Group or Signaling Gateway Group IPSP used for the inter-SBC leg. This enables SUBSCRIBE messages with specific events to pass through.
Reference: Common IP Attributes - SIP - CLI
The above configurations must be performed in addition to the configuration mentioned in Configuring the SBC to use SIP in the Ribbon IP Core.
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