Forum Discussion
Teams Direct Routing - DTMF tones on Inbound Calls not working
The other day of Microsoft Direct Routing life in our enterprise environment and another nice issue appeared as reported from users. Might be it will help somebody. Long story short: Microsoft ac...
in your case depends actually what has been returned back in 200OK as reply to that posted PT 96 RE-INVITE from TEAMS. Maybe 200OK carries 101? by standard TEAMS should honor the answer
PT is not something you negotiate, offerer indicates what PT payload it will receive and would prefer to send however answerer may answer different PT and offerer has to comply sending different one, so it might be asymmetric.
If your "PSTN" reply also carries PT 96 back in 200OK that would be expected(but not mandatory) then MS misbehaves.
hope it helps.