[asterisk-dev] Advanced Codec Negotiation: Invite without Offer

[George Joseph]

On Tue, Jun 30, 2020 at 9:49 AM Dan Jenkins <dan at nimblea.pe> wrote:

> Hi George,
>
> Funnily enough I saw this the other day and the client's Kamailio/RTPProxy
> setup wasn't set up to handle the reinvite scenario afterwards. From what I
> understand this is becoming more and more common. So in this case it was an
> initial request to get the dialog going, once everything had been answered,
> there was a re-invite to get media flowing
>
> Dan
>

Wow.  What should we have done in this case?  If Alice is on the outside
calling Bob on the inside should we be sending an offer to Bob if we didn't
get one from Alice?  What do we send back in the initial 200 OK to Alice?
An offer?  Nothing? ???




>
> On Tue, Jun 30, 2020 at 4:31 PM George Joseph <gjoseph at digium.com> wrote:
>
>> There's a feature we currently support where Alice can send us an INVITE
>> without an SDP offer.
>> https://tools.ietf.org/html/rfc6337#section-3.1.2
>>
>> How often do you see this and with what scenarios/devices?
>>
>>
>> --
>> George Joseph
>> Asterisk Software Developer
>> direct/fax +1 256 428 6012
>> Check us out at www.sangoma.com and www.asterisk.org
>> [image: image.png]
>> --
>> _____________________________________________________________________
>> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>>
>> asterisk-dev mailing list
>> To UNSUBSCRIBE or update options visit:
>>    http://lists.digium.com/mailman/listinfo/asterisk-dev
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-dev mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-dev



-- 
George Joseph
Asterisk Software Developer
direct/fax +1 256 428 6012
Check us out at www.sangoma.com and www.asterisk.org
[image: image.png]
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-dev/attachments/20200630/8e31f241/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.png
Type: image/png
Size: 5142 bytes
Desc: not available
URL: <http://lists.digium.com/pipermail/asterisk-dev/attachments/20200630/8e31f241/attachment-0001.png>