[OpenSIPS-Users] Sad and frustrated: PRESENCE not working

[Michele Pinassi]

Hi all,

my fight to have Presence and BLF working continue. Here's a "step by
step" trace when, on my phone with account 5002, i enabled a BLF for
account 5008. I use OpenSIPS 1.11.3-tls.

First, the phone send SUBSCRIBE packet:

*SUBSCRIBE sip:presence at voip.unisi.it:5060 SIP/2.0 *
Via: SIP/2.0/UDP 172.20.1.10:37508;branch=z9hG4bK-h30k6rwp6oy5;rport
From: <sip:5002 at voip.unisi.it:5060>;tag=pkntk9npjh
To:
<sip:5008 at voip.unisi.it:5060;user=phone>;tag=f315b2d58ae8829149b784764c5a40e3-2387

Call-ID: 54b1fe548d09-v32qemyjagpv
CSeq: 3 SUBSCRIBE
Max-Forwards: 70
Contact: <sip:5002 at 172.20.1.10:37508>;reg-id=1
Event: dialog
Accept: application/dialog-info+xml
User-Agent: snom760/8.7.3.25.9
Expires: 3600
Content-Length: 0
 
*SIP/2.0 200 OK *
Via: SIP/2.0/UDP
172.20.1.10:37508;received=172.20.1.10;branch=z9hG4bK-h30k6rwp6oy5;rport=37508

From: <sip:5002 at voip.unisi.it:5060>;tag=pkntk9npjh
To:
<sip:5008 at voip.unisi.it:5060;user=phone>;tag=f315b2d58ae8829149b784764c5a40e3-2387

Call-ID: 54b1fe548d09-v32qemyjagpv
CSeq: 3 SUBSCRIBE
Expires: 3600
Contact: <sip:presence at voip.unisi.it:5060>
Server: OpenSIPS (1.11.3-tls (i386/linux))
Content-Length: 0

Afterward, i get a NOTIFY with the state of the phone:

*NOTIFY sip:5002 at 172.20.1.10:37508 SIP/2.0 *
Via: SIP/2.0/UDP 172.20.1.2:5060;branch=z9hG4bK4e24.38cd2ef4.0
To: <sip:5002 at voip.unisi.it>;tag=pkntk9npjh
From: <sip:5008 at voip.unisi.it>;tag=f315b2d58ae8829149b784764c5a40e3-2387
CSeq: 2 NOTIFY
Call-ID: 54b1fe548d09-v32qemyjagpv
Max-Forwards: 70
Content-Length: 147
User-Agent: OpenSIPS (1.11.3-tls (i386/linux))
Event: dialog
Contact: <sip:presence at voip.unisi.it:5060>
Subscription-State: active;expires=3600
Content-Type: application/dialog-info+xml
 
<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info"
version="1"           state="full" entity="sip:5008 at voip.unisi.it"/>

*SIP/2.0 200 Ok *
Via: SIP/2.0/UDP 172.20.1.2:5060;branch=z9hG4bK4e24.38cd2ef4.0
From: <sip:5008 at voip.unisi.it>;tag=f315b2d58ae8829149b784764c5a40e3-2387
To: <sip:5002 at voip.unisi.it>;tag=pkntk9npjh
Call-ID: 54b1fe548d09-v32qemyjagpv
CSeq: 2 NOTIFY
Content-Length: 0


At this point i expect a NOTIFY packet when 5008 was busy but none. Of
course i have a row on active_watchers table.

My config for PRESENCE and PUA is:

#### PRESENCE modules
loadmodule "presence.so"
loadmodule "presence_mwi.so"
loadmodule "presence_callinfo.so"
loadmodule "presence_xml.so"
loadmodule "presence_dialoginfo.so"

modparam("presence", "server_address", "sip:presence at voip.unisi.it:5060")
modparam("presence", "notify_offline_body", 1)
modparam("presence", "fallback2db", 1)
modparam("presence", "clean_period",  30)
modparam("presence", "mix_dialog_presence", 1)

modparam("presence_xml","force_active",1)

####  PUA module
loadmodule "pua.so"
loadmodule "pua_dialoginfo.so"
loadmodule "pua_usrloc.so"

modparam("pua_dialoginfo", "presence_server",
"sip:presence at voip.unisi.it:5060")
modparam("pua_dialoginfo", "include_callid", 1)
modparam("pua_dialoginfo", "include_tags", 1)
modparam("pua_dialoginfo", "include_localremote", 1)
modparam("pua_dialoginfo", "publish_on_trying", 1)

modparam("pua_usrloc", "default_domain", "voip.unisi.it")

and on main() route logic i have:

### PRESENCE
        if(is_method("PUBLISH|SUBSCRIBE")) {
            route(handle_presence);
        }
[....]

# Presence route

route[handle_presence] {
    xlog("L_INFO","Route PRESENCE on $rm [$fd/$fu/$rd/$ru/$si/]\n");
    if(!t_newtran()){
        sl_reply_error();
        exit;
    }

    if (is_method("PUBLISH")) {
        if($hdr(Sender)!= NULL)
            handle_publish("$hdr(Sender)");
        else
            handle_publish();
    }

    if (is_method("SUBSCRIBE")) {
        if(search("^Event: message-summary")) {
            # if there is no R-URI username, grab From URI
            if(!uri=~"sip:.+@") { # add From username as R-URI username
                avp_pushto("$ruri/username","$fU");
            }
            # fix some broken subscriptions
            if(!search("^Accept: application/simple-message-summary")) {
                append_hf("Accept: application/simple-message-summary\r\n");
            }
            setdsturi("sip:172.20.1.5:5060");
            t_relay();
        } else {
            handle_subscribe();
        }
    }
    exit;
}

Just for info, the MWI (using Asterisk) works perfectly...

Any suggestions ? Hints ?

Thanks, Michele

-- 
Michele Pinassi
Responsabile Telefonia di Ateneo
Servizio Reti, Sistemi e Sicurezza Informatica - Università degli Studi di Siena
tel: 0577.(23)5000 - fax: 0577.(23)2053

Per trovare una soluzione rapida ai tuoi problemi tecnici
consulta le FAQ di Ateneo, http://www.faq.unisi.it 

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