[SR-Users] BYE dispatcher

[Slava Bendersky]

Hello Everyone, 
I cleared registrations and tried again and issue still present. 
Client reply with 481. 

IP (tos 0x0, ttl 52, id 7731, offset 0, flags [none], proto UDP (17), length 638) 
client_pub_ip.49383 > proxy_pub_ip.llrp: [udp sum ok] UDP, length 610 
E..~.3..4...c....E.\.....j..SIP/2.0 481 Call Leg/Transaction Does Not Exist 
Via: SIP/2.0/UDP proxy_pub_ip :5084;branch=z9hG4bK3ea6.0c594485bff5b216f30af0f6172cb2b9.0 
Via: SIP/2.0/UDP 10.18.130.24:5160;received=10.18.130.24;rport=5160;branch=z9hG4bKm80c0USSKv5Bp 
From: "Test Extension" <sip:4300 at sip.company.tld>;tag=SXt3DQQ90a0Dj 
To: <sip:4300@ client_pub_ip :49383>;tag=719973534 
Call-ID: 1abc150b-2141-1235-b5ad-5254003e39bb 
CSeq: 99019404 BYE 
Supported: replaces, path, eventlist 
User-Agent: Grandstream Wave 1.2.2 
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE 
Content-Length: 0 

Slava. 


From: "volga629" <volga629 at skillsearch.ca> 
To: miconda at gmail.com, "sr-users" <sr-users at lists.sip-router.org> 
Sent: Wednesday, 9 November, 2016 12:28:32 
Subject: Re: [SR-Users] BYE dispatcher 

Hello Everyone, 
I changed dispatcher algorithm from 0 to 1 and start working as expected. Yes group 0 is accepted. 

route[DISPATCHER] { 
if(!ds_select_dst("0", "1")) { 
xlog("L_ERROR","ERROR: Proxy Mapping - Desitnation for $fd not found...request dropped \n"); 
sl_send_reply("404","Desitination Not Found \n"); 
drop(); 
} else { 
$var(did) = 1; 
} 
if($var(did)) { 
if (!t_relay()) { 
sl_reply_error(); 
} 
#forward(); 
} 

t_on_failure("DISPATCHER_FAIL_ROUTE"); 
exit; 
} 

Slava. 


From: "Daniel-Constantin Mierla" <miconda at gmail.com> 
To: "sr-users" <sr-users at lists.sip-router.org> 
Sent: Wednesday, 9 November, 2016 04:33:33 
Subject: Re: [SR-Users] BYE dispatcher 



Hello, 

On 08/11/16 20:42, Slava Bendersky wrote: 



Hello Everyone, 
My setup is kamailio as proxy with few boxes of freeswitch in the LAN. Having issue with BYE when extensions register on different freeswitch boxes. Here are some trace of the call. 
Not sure if this tag= miss match or routing. 

Dispatcher use group 0 with option 4 (round robin). 



is group value 0 accepted? I think this may create problems if a function returns the group in the config as return code -- iirc, this was changed maybe for lcr or permissions. 

On the other hand, the registrations are quite independent in SIP in relation with calls. The BYE should be routed based on record-routing to the freeswitch that was involved in routing initial INVITE, with no relation to new registrations from end devices. Is the BYE sent to the freeswitch that got the initial BYE. 

Cheers, 
Daniel 
-- 
Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com 

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