The only thing I can think of is to check the phone and Asterisk system and make sure NAT traversal is turned off for both.
What model Grandstream phone do you have? On Tue, Sep 3, 2019 at 10:48 AM <ch...@wbmfg.com> wrote: > I think we are using PIAF, at least we were originally. > > *From:* can...@believewireless.net > *Sent:* Tuesday, September 3, 2019 8:39 AM > *To:* AnimalFarm Microwave Users Group > *Subject:* Re: [AFMUG] OT grandstream phone issue > > If there is no NAT, I don't see why that would be an issue. Which Asterisk > system are you using? We have zero > issues with Grandstream when everything is behind the firewall. There can > be issues with some routers/firewalls > (like SonicWall) but never when they are both on the LAN. > > On Tue, Sep 3, 2019 at 10:14 AM Chuck McCown <ch...@wbmfg.com> wrote: > >> I believe everything is inside the router. >> >> Sent from my iPhone >> >> On Sep 2, 2019, at 10:24 PM, can...@believewireless.net < >> p...@believewireless.net> wrote: >> >> What type of router are you using? Are the phones inside the router and >> the Asterisk server on the outside? >> >> On Mon, Sep 2, 2019 at 2:49 PM <ch...@wbmfg.com> wrote: >> >>> All of our Aastra phones work with our Asterisk system. I didn’t >>> realize after we solved our problems that we have a couple of Grandstream >>> phones that have a one way audio problem. They can call out but they >>> cannot send any audio. >>> >>> Beating our head against the rock here. >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > ------------------------------ > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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