SIP Refer processing
Hello Community,
I have question on SIP Refer processing. Here is current call flow.
Call from Carrier <> SBC4600 <> SaaS PBX
Currently, SBC4600 has carrier realm and SaaS PBX realm configured for call routing. During the call , SaaS PBX is triggering the refer. SBC realm for SaaSPBX has refer-call-transfer enabled and session-agent for SaaS PBX also has refer call transfer enabled. Now with this configuration. Refer coming SaaS PBX is accepted by SAASPBX realm on SBC. But new invite is being triggered and using Carrier realm local-policy for call routing on referred-to number. Call routing is working without any issues.
Q: After refer is accepted by SaaSPBX realm, Can invite use local-policy or call routing using SaaSPBX realm instated of Carrier realm?