[Freeswitch-dev] Consultancy?

[Brian West]

You should avoid setting anything that rewrites timestamps, it will
preserve the jitter perfectly into the rtp flow.


On Mon, Jun 29, 2020 at 3:36 PM Michel Brabants <michel.brabants at gmail.com>
wrote:

> Hey Andy,
>
> not interested in the consulting myself, but as I have a small bit of
> using freeswitch as an sbc in the past, did you try to enable the option on
> your call to rewrite the rtp-timestamps? This may fix the first issue,
> depending on the exact sip-scenario.
>
> <param name="*rtp*-*rewrite*-*timestamps*" value="true"/> ...
>
> You can do a lot with transfers in freeswitch. If it's a refer, you'll
> have to implement the refer-dialplan-part, but it has been a while and
> maybe I'm out-of-date :).
>
> Just a quick idea that help you along maybe.
>
> Kind regards,
>
> Michem
>
> On Mon, Jun 29, 2020 at 8:44 PM Andy Newlands <andynewlands at gmail.com>
> wrote:
>
>> We are using Freeswitch as the core of our UK-based SIP platform, which
>> connects with main carriers in the UK, and have a couple of issues which we
>> have been unable to properly resolve ourselves.  We are now seeking a
>> Freeswitch expert who can assist in achieving resolution, on a
>> consultancy/contract basis.
>>
>> Where is the most appropriate place to find suitably qualified experts,
>> with proven track-records and endorsements?
>>
>> Layout is basically PSTN_CARRIER<->FS<-->CUSTOMER_PBX
>> (there are also proxies and FS-based SBCs (Kamailio))
>>
>> At high-level, the issues are:
>>
>>
>>    - Loss of RTP when a call is transferred or diverted by the
>>    CUSTOMER_PBX
>>    - Attempting to transfer a call from the CUSTOMER_PBX can result in
>>    ringback continuing, after the transfer-to endpoint answers (again, no RTP).
>>    - Behaviour varies depending on which PSTN_CARRIER calls are routed
>>    through (we have multiple interconnects)
>>    - We can see nothing obviously wrong in the call traces.
>>
>> Thank you
>>
>> Kind regards,
>>
>> Andy
>> _________________________________________________________________________
>>
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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-dev mailing list
> FreeSWITCH-dev at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
> https://freeswitch.com



-- 

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