Maybe this: http://www.skyswitch.com/t-mobile-breaks-sip-ipv6-updates/ On Thu, May 18, 2017 at 5:14 PM, Jared Geiger <jared at compuwizz.net> wrote:
I'm seeing the same. I get one way audio from server to the handset. The call drops after 5 seconds due to not detecting 2 way audio.
~Jared Geiger
On Thu, May 18, 2017 at 12:35 PM, Liudvikas Bukys <Liudy at bukys.org> wrote:
We are getting a sudden burst of complaints concerning TCP SIP working but no UDP RTP audio flowing, specifically on T-Mobile. Is anyone else seeing this?
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