[SR-Users] presence_dialoginfo- first NOTIFY - force_dummy_dialog

Fri Aug 28 20:26:14 CEST 2015

maybe you missed something when you tried 4.3.

i do use it and i can confirm that grandstream / bria work well with this.

________________________________
From: Ewgeny [evoip at ukr.net]
Sent: Friday, August 28, 2015 11:23 AM
To: miconda at gmail.com; Kamailio (SER) - Users Mailing List
Cc: Luis Azedo
Subject: Re: [SR-Users] presence_dialoginfo- first NOTIFY - force_dummy_dialog

Hello Daniel,

No - 'yx' i pasted by mistake :) sorry ....
For me without a difference which kamailio version to use - the main reason to it works as expected.
I tried last week latest Kamailio 4.3 from rpm repository - it's also send first NOTIFY without complete XML body to turn BLF lamp GREEN.
So - can you please give a patch to solve that ? No different which version 4.2 or 4.3.

Thanks in advance.

Kind Regards
Ewgeny

28.08.2015 16:15, Daniel-Constantin Mierla пишет:
Hello,

first, I see:

<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="1" ух state="full" entity="sip:9095 at 10.60.1.3"<mailto:sip:9095 at 10.60.1.3>>

Is the 'yx' in the line above appearing or just a result of adjusting what you pasted in the email?

I thought Kazoo in using stock kamailio, in fact Luis (cc-ed) from Kazoo pushed a patch to kamailio adding id to dialog tag (commit f12f243e39c840b1306bf376c49ef4dab9e7564f), but I don't see the call-id there, maybe is added when processing later.

Checking the source code, the id in dialog tag is only in kamailio 4.3, which I guess is what last kazoo is using. Perhaps the patch can be backported to branch 4.2, it is not a big change there.

Cheers,
Daniel

On 28/08/15 14:54, evoip at ukr.net<mailto:evoip at ukr.net> wrote:
Hello,
we use Kamailio 4.2 with Presence_DIALOGINFO module for BLF notifications (blinking lamps on phone panel).

Since version 4.1 Kamailio has a new module parametr " modparam("presence_dialoginfo", "force_dummy_dialog", 1)" - this option generate first NOTIFY to Subscribed phone (without PUBLISH message) and it's lamps became GREEN ( <state>terminated</state>).

Without this module parametr the first NOTIFY won't be sent to phone and lamps will stay turned off until first PUBLISH will be handled by presence server.

The first NOTIFY sip message with xml body look like this:

NOTIFY sip:1005 at 22.22.22.22:1120<mailto:sip:1005 at 22.22.22.22:1120> SIP/2.0.
To: <sip:1005 at 11.11.11.11><mailto:sip:1005 at 11.11.11.11>;tag=867246696.
From: <sip:9095 at 11.11.11.11><mailto:sip:9095 at 11.11.11.11>;tag=495949c4c25d687c77ca707bd10a0818-5171.
CSeq: 2 NOTIFY.
Call-ID: 662126467-5060-6 at BJC.BGI.E.CDD<mailto:662126467-5060-6 at BJC.BGI.E.CDD>.
Route: <sip:10.60.1.3;r2=on;lr=on><sip:10.60.1.3;r2=on;lr=on>, <sip:11.11.11.11;r2=on;lr=on><sip:11.11.11.11;r2=on;lr=on>.
Content-Length: 272.
User-Agent: kamailio (4.2.3 (x86_64/linux)).
Max-Forwards: 70.
Event: dialog.
Subscription-State: active;expires=600.
Content-Type: application/dialog-info+xml.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="1" ух state="full" entity="sip:9095 at 10.60.1.3"<mailto:sip:9095 at 10.60.1.3>>
     <dialog  direction="recipient">
        <state>terminated</state>
    </dialog>
</dialog-info>

Especially pay attention on XML body.

But for some SIP phones this xml body with state = terminated is not enough to turn the BLF lamp on. (for example Grandstream phones).
It requires one more or two more fields: "dialog id", "call-id".

<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="28"          state="full" entity="sip:9093 at 10.60.1.3"<mailto:sip:9093 at 10.60.1.3>>
  <dialog id="830b4fd4-c75d-1233-ca9f-0050569560f4" call-id="830b4fd4-c75d-1233-ca9f-0050569560f4" direction="recipient">
    <state>terminated</state>
  </dialog>
</dialog-info>

The question is how to modify this first NOTIFY XML body message to add "dialog id" and "call-id" to </dialog>.
For example latest Kamailio Kazoo fixed that already. :)

Kind Regards
Ewgeny

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--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda<http://twitter.com/#%21/miconda> - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com

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