Forum Discussion

Copper Contributor

Apr 29, 2021

Solved

PSTN Call Drops if you do consult transfer - Direct Routing

Hi All, I have an issue very similar to the one discussed in this thread: https://techcommunity.microsoft.com/t5/microsoft-teams/pstn-call-drops-if-you-put-the-call-on-hold-then-resume-and-hit/m-p...

Direct Routing

PSTN Calling

Andrew_Naydonov
May 31, 2021
Gasmanz Sorry for the late reply, I was on leave and offline last week. Our trunks are set to auto.
The issue went away by itself a few days after my original post and I have not heard any complaints from my receptionist since.
Very strange. But we are moving our PSTN from Telstra to Vocus, so our Tenant will be talking directly to Vocus managed virtual SBC. So hopefully if the issue comes back it will be easier to troubleshoot.

Andrew_Naydonov

Copper Contributor

May 31, 2021

Gasmanz Sorry for the late reply, I was on leave and offline last week. Our trunks are set to auto.

The issue went away by itself a few days after my original post and I have not heard any complaints from my receptionist since.

Very strange. But we are moving our PSTN from Telstra to Vocus, so our Tenant will be talking directly to Vocus managed virtual SBC. So hopefully if the issue comes back it will be easier to troubleshoot.

Gasmanz

Brass Contributor

May 31, 2021

Andrew_Naydonov Thanks for the reply. Seems like I'll have to do some deeper diving now that we have also reverted our trunks to auto but no change in behavior. We'll be reviewing our Oracle SBCs config with the vendor to see if something has changed or if any config elements are causing this.