In case the local telecom wants to send/receive media to/from specific IPs and this can’t be provided by twilio, you will need to look into rtpengine/rtpproxy in order to relay the media as well.
On Thu, 22 Jul 2021 at 03:46, Fred Posner <[email protected]> wrote: > Hi Nick, > > This type of use case would be perfect for Kamailio. You can use many of > the available modules such as dispatcher, drouting, etc to accomplish this > (or even just a simple call in the request route). > > Kamailio just handles SIP, so unless you use an program such as rtpengine, > no media is relayed— it would flow directly from the carrier to twilio. > > -- Fred > (via mobile) > Matrix: @fred:matrix.lod.com > > > On Jul 21, 2021, at 9:22 PM, Nick Hurlburt <[email protected]> wrote: > > > > Hello all, > > > > My name is Nick Hurlburt, and work with a nonprofit tech organization that > provides a software platform for child helplines around the world. I am a > new user to Kamailio, and I'm interested in figuring out if my use case is > appropriate, getting some tips on how to go about it, and possibly > enlisting some expert help. > > > > Our service is built on top of Twilio, but we are working in some > countries where Twilio doesn't have phone numbers. So in those areas, we > are working with local telecoms on ways to integrate using a SIP > connection. In one particular example, the telecom company can send SIP > INVITEs but can only address them to a static IP. However, Twilio needs to > receive the invite addressed to a fully-qualified domain name (eg, > example-setup.sip.twilio.com). The idea arose to use Kamailio as a proxy > to accept the static IP-addressed request and then rewrite the request to > pass it along to a domain name. Then once the connection is established > between the two endpoints, the media can flow directly between them. > > > > I have a software engineering background but still coming up to speed when > it comes to VoIP technology. I'd be interested in: > > - does this sound like a good use case for Kamailio? > > - is there any specific documentation you could point me to for this use > case? (I have been looking at the Kamailio documentation, but a quick > pointer could save a lot of time in digging through it) > > - if anyone from the community would be open to helping us develop a > prototype/proof-of-concept instance of this, especially if you're open to > contributing to a nonprofit on a volunteer or discounted rate, I'd love to > talk more > > > > Thank you, > Nick > > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- Regards, David Villasmil email: [email protected] phone: +34669448337
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