[Freeswitch-users] gsmopen one-way voice issue

[Jeff Chua]

On Tue, Dec 27, 2016 at 2:14 AM, Jeff Chua <jeff.chua.linux at gmail.com> wrote:
>
> On Tue, Dec 27, 2016 at 1:55 AM Francis <sms at icefire.qza.net.au> wrote:
>>
>> What model phone are you using?
>
>
> Tried with iPhone SE and Nokia X3-02. Again, even failed with the 5-sec
> delayed echo test.
>
> I've tried SIP-SIP calling using LinPhone (Windows) to LinPhone (iPhone) and
> that works with both-way voice.

Here's my codecs in vars.xml

  <X-PRE-PROCESS cmd="set"
data="outbound_codec_prefs=L16,99,G729,GSM at 40i,PCMU,PCMA"/>

Thanks,
Jeff