The
Routing non-INVITE out-of-dialog messages is supported for the following types of SIP messages:
The basic configuration required to enable routing of non-INVITE messages using SIP In Core is as follows:
relayNonInviteRequest
on the all the Trunk Groups including the default SIP Trunk Groups.sipRegRelay
on the default Zone 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.
The above configurations must be performed in addition to the configuration mentioned in the Configuring SBC to use SIP in the Sonus IP Core section, which details the basic configuration required for SIP In Sonus IP Core.