Forum Discussion
dvermeulen
Dec 09, 2021Copper Contributor
Teams rejects call with error 422
Hi all, I'm having some trouble with calling from a Swyx pbx to Microsoft Teams direct routing. When I place a call from Swyx pbx to Teams, the call get's denied. When I checked the logs I n...
Pieter007
Feb 22, 2024Copper Contributor
Has the issue been resolved, having the same issue.
Call forwarding to external number works but when the carrier sends a new re-invite Teams returns with 422 Session Interval Too Small and the call gets dropped.
Call forwarding to external number works but when the carrier sends a new re-invite Teams returns with 422 Session Interval Too Small and the call gets dropped.
Pieter007
Feb 22, 2024Copper Contributor
This is my failed log, very desperate, MS case opened for a month now.
---- Incoming SIP Message from 52.114.76.76:5061 to SIPInterface #2 (SIP_Teams) TLS TO(#919) SocketID(5762094) ---- [Time:16-02@12:32:31.466]
SIP/2.0 422 Session Interval Too Small
FROM: <sip:xxxxx
TO: <sip:+xxxxxx
CSEQ: 2 INVITE
CALL-ID: xxxxxx
VIA: SIP/2.0/TLS xxxxx
REASON: Q.850;cause=127;text="d71eea37-6fc6-4ddf-8291-dfb20edb98ff;Session Interval Too Small"
CONTENT-LENGTH: 0
MIN-SE: 300
ALLOW: INVITE,ACK,OPTIONS,CANCEL,BYE,NOTIFY
SERVER: Microsoft.PSTNHub.SIPProxy v.2024.2.6.5 i.EUNO.12