[Freeswitch-users] Playback does not execute until first RTP

Oleg Belousov obelousov at gmail.com
Wed Sep 23 07:17:55 UTC 2020 

Thank you all for the advices, appreciate that.
After many attempts/config changes  on our side, the issue was sorted out
on the operator side, by tuning below SIP-trunk settings on Huawei
SoftX3000 switch.

SIP Protocol related information

--------------------------------

Second Software parameter of signalling CTRL  =  Link with SBC

                                              =  Not transit 100rel label
of Support head

                                              =  Not release call when
receiving UPDATE response message without media body

                                              =  Control of whether 18X
message carries Require: 100rel

                                              =  Whether to carry media to
CC through Alerting


The last parameter “Whether to carry media to CC through Alerting” ,
according documentation means: “If this option is selected, it indicates
that does not carry media to cc through Alerting”, I thought that the
default value should be “1” for there to be audio, but this was an
incorrect interpretation.
--
obelousov.tel


On Tue, Sep 22, 2020 at 6:13 PM Brian West <brian at freeswitch.com> wrote:

> It's more than that, this is a standoff, each end is waiting for the
> other, so if you use execute_on_answer01=playback::silence_stream://500 it
> should get things moving.
>
> /b
>
>
> On Tue, Sep 22, 2020 at 8:29 AM Jurijs Ivolga <jurijs.ivolga at gmail.com>
> wrote:
>
>> Hi,
>>
>> This is strange, I remember some time ago I tested this with one of my
>> buggy provider, which wasn't sending RTP until it received anything and
>> after setting "disable-rtp-auto-adjust=true" in the SIP profile Freeswitch
>> started to send RTP first and then SIP provider replied with RTP too.
>>
>> Have you tried to put this in SIP profile configuration?
>>
>> This was quite some time ago, so maybe I'm mixing it up.
>>
>> Jurijs
>>
>>
>> On Tue, Sep 22, 2020 at 2:05 PM Oleg Belousov <obelousov at gmail.com>
>> wrote:
>>
>>> Hi.
>>> Thank you.
>>> Yes, I tried to set up that parameter in the profile as true, but that
>>> did not help. As far as I understand that is applicable for nated UAC, in
>>> my scenario there is no nat.
>>> --
>>> obelousov.tel
>>>
>>>
>>> On Tue, Sep 22, 2020 at 12:01 PM Jurijs Ivolga <jurijs.ivolga at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> Have you checked this:
>>>>
>>>>
>>>> https://lists.freeswitch.org/pipermail/freeswitch-users/2018-April/129500.html
>>>>
>>>>
>>>> https://freeswitch.org/confluence/display/FREESWITCH/disable_rtp_auto_adjust
>>>>
>>>> Please try:
>>>>
>>>> disable-rtp-auto-adjust=false
>>>>
>>>> With kind regards,
>>>>
>>>> Jurijs
>>>>
>>>>
>>>> On Tue, Sep 22, 2020 at 11:43 AM Oleg Belousov <obelousov at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi.
>>>>> Met issue with prompt play (in lua, preanswer mode) - for certain
>>>>> reasons freeswitch wait for RTP packet from UAC side, and only after that
>>>>> started to play prompt. If UAC does not send RTP, the script does not
>>>>> execute further. Is there a way to instruct Freeswitch to send RTP packets
>>>>> first by itself?
>>>>> --
>>>>> obelousov.tel
>>>>>
>>>>> _________________________________________________________________________
>>>>>
>>>>> The FreeSWITCH project is sponsored by SignalWire
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>>>>
>>>>
>>>> _________________________________________________________________________
>>>>
>>>> The FreeSWITCH project is sponsored by SignalWire
>>>> https://signalwire.com
>>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>>> services.
>>>> Build your next product on our scalable cloud platform.
>>>>
>>>> Join our online community to chat in real time
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>>>>
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>>>
>>> _________________________________________________________________________
>>>
>>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>>> services.
>>> Build your next product on our scalable cloud platform.
>>>
>>> Join our online community to chat in real time
>>> https://signalwire.community
>>>
>>> Professional FreeSWITCH Services
>>> sales at freeswitch.com
>>> https://freeswitch.com
>>>
>>> Official FreeSWITCH Sites
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>>>
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>>
>> _________________________________________________________________________
>>
>> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
>> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
>> services.
>> Build your next product on our scalable cloud platform.
>>
>> Join our online community to chat in real time
>> https://signalwire.community
>>
>> Professional FreeSWITCH Services
>> sales at freeswitch.com
>> https://freeswitch.com
>>
>> Official FreeSWITCH Sites
>> https://freeswitch.com/oss
>> https://freeswitch.org/confluence
>> https://cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> https://freeswitch.com
>
>
>
> --
>
> Brian West | Co-founder and Developer
>
> Need Commercial support? email sales at freeswitch.com
>
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>
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>
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>
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>
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> _________________________________________________________________________
>
> The FreeSWITCH project is sponsored by SignalWire https://signalwire.com
> Enhance your FreeSWITCH install with disruptive priced SMS and PSTN
> services.
> Build your next product on our scalable cloud platform.
>
> Join our online community to chat in real time
> https://signalwire.community
>
> Professional FreeSWITCH Services
> sales at freeswitch.com
> https://freeswitch.com
>
> Official FreeSWITCH Sites
> https://freeswitch.com/oss
> https://freeswitch.org/confluence
> https://cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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