[Freeswitch-users] How to send a SIP MESSAGE request to an unregistered user?

[David Villasmil]

In Kamailio, did you try with
https://www.kamailio.org/docs/modules/5.0.x/modules/usrloc.html#idm1047840180
?

On Thu, 4 Apr 2019 at 22:36, Russell Treleaven <rtreleaven at bunnykick.ca>
wrote:

> Is bob registered with some other registrar?
> If yes, Alice's sip client can send the message to bob's address of record(
> bob at his_domain.com)
> Alice's registrar does not need to be involved.
>
>
> On Thu, Apr 4, 2019 at 4:21 PM David R <davidr201901 at outlook.com> wrote:
>
>> When two users have registered themselves with FS, either user can send a
>> SIP SIMPLE MESSAGE request to the other via FS.
>>
>> For example, Alice and Bob are both registered so Alice can send a
>> message to Bob and vice versa.
>>
>> However, my use-case is slightly different. Only Alice is registered; Bob
>> is a device at some unknown location on the internet on a NATed network
>> behind a firewall/gateway.
>>
>> Bob is able to send a SIP MESSAGE request to Alice at Domain.com and it
>> will be received by FS then forwarded to Alice.
>>
>> My question is how can Alice get a reply MESSAGE back to Bob when he
>> hasn't registered? By default, if Alice tries to reply to Bob at Domain.com,
>> FS will send back a 202/Accepted to Alice, but the message will go nowhere.
>>
>> Given that when Bob sends his message to Alice, the source address of his
>> message will be valid for a short period (therefore the source address is
>> the return address), how can I ensure that when Alice sends a reply MESSAGE
>> a second or two later, it gets to Bob?
>>
>> My initial thought was to somehow auto-register Bob in FS using the
>> source address of his message. Then Alice's reply should get there. Is this
>> possible? Or should Alice's reply be sent another way? I think the reply to
>> Bob must come from the same address to which he sent his message.
>>
>> Some additional info:
>>
>> Alice never initiates a conversation to Bob, but will always send one
>> reply message to any message from Bob.
>>
>> Bob actually represents up to a few thousand devices at various locations
>> on the internet. These devices may send a single unsolicited message at any
>> time and expect a reply message within a few seconds.
>>
>> ---
>>
>> I also tried to do this with Kamailio, but couldn't find a way to
>> auto-register Bob - or save his location in the location db - in order to
>> send back a reply (and Kamailio returns a 404 to Alice rather than 202).
>>
>> _________________________________________________________________________
>> 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
>
>
>
> --
> Sincerely,
>
> Russell Treleaven
> sip:rtreleaven at sip.bunnykick.ca;transport=tcp
>
> _________________________________________________________________________
> 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

-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20190405/01601baf/attachment.html>