[SR-Users] Kamailio + RTPEngine SIP Proxy...

Jerry Kendall Jerry.Kendall at BishopHosting.com
Tue Sep 6 04:03:43 CEST 2022


Thanks Richard for the pointer.

I tried all day but no luck.

I'll have another go at it in a few days.

Jerry

On 9/5/2022 3:39 AM, Richard Edmands wrote:
> I know this works with an Asterisk configuration, not sure how
> Freeswitch is any different yet. Haven't needed to poke Freeswitch.
>
> https://github.com/fredposner/scripts/blob/master/kamailio/kamailio-tls_srtp-bridge.cfg
> Strip out the fun bits where Fred is re-writing the contact header.
>
> Then in the route relay, add the following:
> record_route();
> handle_ruri_alias();
> add_contact_alias();
>
> In some configs, onreply_route manage_reply needs a:
> add_contact_alias();
>
> Lazy, yes. Works for me?, yes.
>
> On Mon, 5 Sept 2022 at 14:16, Jerry Kendall
> <Jerry.Kendall at bishophosting.com> wrote:
>> Hi There,
>>
>>
>> It's been a few years since I joind the group and I have watched and learnt and played but, I am stuck...
>>
>> I have searched hi & low but I can't seem to find what I am looking for.
>>
>>
>> Is is do-able to have SIP Phones proxy through Kamailio/RTPengine and have the connection relayed to a freeswitch system where all the work is done.
>>
>> I need to have Kamailio act as proxy ONLY - no need to do AUTH, and I need Kamilio to have the RTPEngine have the media but only as proxy.
>>
>> I have FreeSWITCH doing all the IVR/VM/CONF/etc....
>>
>>
>> So:
>>
>> 1) The SIP Phone sends everything to the Kamailio system, the Kamailio system will relay everything to the FreeSWITCH system (requests and replies)
>>
>> 2) The FreeSWITCH system will send everything to the Kamailio system which will relay everything back to the SIP Phone (requests and replies)
>>
>> 3) The SIP phones are behind NAT
>>
>> 4) The Kamailio and FreeSWITCH systems are on the public internet with public IP addresses
>>
>>
>> I have found a few sample kamailio.cfg files but, I can get REG to make it through but no SUBCRIBE wont get NOTIFYs back, etc...
>>
>> I seem to get parts but not all the way.
>>
>>
>> If this is doable, and I assume it is, is there a config file someone can share with me? or point me to?
>>
>>
>> Jerry
>>
>>
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