[SR-Users] Kamailio Presence help required.

Mon Mar 6 17:00:12 CET 2017

You should get an initial NOTIFY when you subscribe. Can you share the parts of your config that are relevant to presence/pua/etc.?

From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of SamyGo
Sent: 06 March 2017 15:50
To: Daniel-Constantin Mierla <miconda at gmail.com>; Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
Subject: Re: [SR-Users] Kamailio Presence help required.

Thanks Daniel for replying,
Yes the BLF/Callstates are working fine. Problem arise when a phone reboots and initially has no Lights indication.

These are the traces from a Working old-box(not-kamailio) - Kindly guide why my Kamailio is unable to send the "immediate NOTIFY" regarding the current state of the subscribed extension. If it can do that then I don't need to write anything.

SUBSCRIBE sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca> SIP/2.0.
Via: SIP/2.0/UDP 10.0.2.95:5060;branch=z9hG4bK-5ef31b0b.
From: "299" <sip:299 at presence.voipguy.ca<mailto:sip%3A299 at presence.voipguy.ca>>;tag=40ab701f5717f5e9.
To: <sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca>>.
Call-ID: 7f166cd7-a89e6091 at 10.0.2.95<mailto:7f166cd7-a89e6091 at 10.0.2.95>.
CSeq: 7888 SUBSCRIBE.
Max-Forwards: 70.
Contact: "299" <sip:299 at 10.0.2.95:5060<http://sip:299@10.0.2.95:5060>>.
Accept: application/dialog-info+xml.
Accept: application/x-broadworks-hoteling+xml.
Expires: 1800.
Event: dialog.
User-Agent: Cisco/SPA504G-7.5.6.
Content-Length: 0.
.

Server_IP:5060 -> Client_IP:1042

SIP/2.0 202 Accepted.
v:SIP/2.0/UDP 10.0.2.95:5060;branch=z9hG4bK-5ef31b0b;received=Server_IP;rport=1042.
f:"299"<sip:299 at presence.voipguy.ca<mailto:sip%3A299 at presence.voipguy.ca>>;tag=40ab701f5717f5e9.
t:<sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca>>;tag=jYj0rSoBG7KA.
i:7f166cd7-a89e6091 at 10.0.2.95<mailto:i%3A7f166cd7-a89e6091 at 10.0.2.95>.
CSeq:7888 SUBSCRIBE.
m:<sip:314 at Client_IP:5060>.
Expires:1800.
User-Agent:HV.
Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,NOTIFY,PUBLISH,SUBSCRIBE.
k:timer,path,replaces.
u:talk,hold,conference,presence,as-feature-event,dialog,line-seize,call-info,sla,include-session-description,presence.winfo,message-summary,refer.
Subscription-State:active;expires=1800.
l:0.
.

Server_IP:5060 -> Client_IP:1042

NOTIFY sip:299 at 10.0.2.95:5060<http://sip:299@10.0.2.95:5060> SIP/2.0.
v:SIP/2.0/UDP Client_IP;rport;branch=z9hG4bKUQ5v41FcK0Bvm.
Route:<sip:Server_IP:1042>;transport=udp.
Max-Forwards:70.
f:<sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca>>;tag=jYj0rSoBG7KA.
t:"299"<sip:299 at presence.voipguy.ca<mailto:sip%3A299 at presence.voipguy.ca>>;tag=40ab701f5717f5e9.
i:7f166cd7-a89e6091 at 10.0.2.95<mailto:i%3A7f166cd7-a89e6091 at 10.0.2.95>.
CSeq:261575252 NOTIFY.
m:sip:314 at Client_IP:5060.
User-Agent:HV.
Allow:INVITE,ACK,BYE,CANCEL,OPTIONS,MESSAGE,INFO,UPDATE,REGISTER,REFER,NOTIFY,PUBLISH,SUBSCRIBE.
k:timer,path,replaces.
o:dialog.
u:talk,hold,conference,presence,as-feature-event,dialog,line-seize,call-info,sla,include-session-description,presence.winfo,message-summary,refer.
Subscription-State:active;expires=1800.
c:application/dialog-info+xml.
l:166.
.
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="0" state="full" entity="sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca>">
</dialog-info>

Client_IP:1042 -> Server_IP:5060

SIP/2.0 200 OK.
t:"299"<sip:299 at presence.voipguy.ca<mailto:sip%3A299 at presence.voipguy.ca>>;tag=40ab701f5717f5e9.
f:<sip:314 at presence.voipguy.ca<mailto:sip%3A314 at presence.voipguy.ca>>;tag=jYj0rSoBG7KA.
i:7f166cd7-a89e6091 at 10.0.2.95<mailto:i%3A7f166cd7-a89e6091 at 10.0.2.95>.
CSeq:261575252 NOTIFY.
v:SIP/2.0/UDP Client_IP;branch=z9hG4bKUQ5v41FcK0Bvm.
Server: Cisco/SPA504G-7.5.6.
Content-Length: 0.
.

Regards,
Sammy

On Mon, Mar 6, 2017 at 2:22 AM, Daniel-Constantin Mierla <miconda at gmail.com<mailto:miconda at gmail.com>> wrote:

Hello,

from your description, I don't see a problem from the specs point of view, but more like something that you would like to have.

If UA subscribers only for dialog event, then it gets NOTIFY requests only for dialog states (new call, ..., termintated call). When it subscribers for presence, then it gets UA availability states.

And I think this is what you also get based on description. Am I wright?

Mixing the states of presence for dialog notifications is not possible, not in the specs, but eventually you can write a module yourself and map as you want/need presence states over dialog states.

Cheers,
Daniel
On 03/03/2017 19:13, SamyGo wrote:
Hi,
I'm in need of making/tweak an existing Kamailio Presence setup which is giving some tough time.
Whats already working:
BLF dialog states changes are already sent across the users. SCA is working as well.

What isn't working:
When a User comes online then it sends SUBSCRIBE with Event: dialog and don't get notified of its subscribers state right then unless the monitored extensions make a call (BLF works)
Why is it not working:
As evident from wireshark traces, the user IP phones (Test sets: Polycoms, Yealink, CISCO, Grandstream) don't send our Event: presence rather only Event:dialog and Kamailio do not send NOTIFY out to everyone. Though yes there is an internally generated PUBLISH seen and handled properly upon registration state changes.

Jitsi has been tested and Kamailio send out these registration state change info to jitsi, somce jitsi sends Event:presence in SUBSCRIBE.

I need dialog based NOTIFY to be sent out on registration state-change.

Need pointers and help on the topic, looking forward to some feedback.

Regards,
Sammy

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