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SIP -> ISDN (Mitel) early 200OK issue
Hello everyone, When I make a SIP call I receive 200 OK before the call get answered by the callee. How can I know if that's a carrier issue or Mitel's? I got SIP & Mitel traces but I don't know how to read them? Thank you 14:45:49 RIL DPN PEER SIP RVI 1430 D SSRM_C 915148061753...- shilik
- Thread
- Replies: 2
- Forum: -General Telephony discussion
