[OpenSIPS-Users] B2BUA Error

[Premalatha Kuppan]

Hi,

Iam using Opensips as proxy and B2BUA. But B2BUA doesn't seems to work. Iam
getting following error.

This is to Handle REFER request. From Asterisk Iam sending REFER request to
Opensips. But getting following error.

any insight ?

1. From Asterisk:

REFER sip:4081112222 at xxxx:5060 SIP/2.0
Via: SIP/2.0/UDP yyyyyy:5070;branch=z9hG4bK5a523824;rport
Route: <sip:yyyyy;lr=on>
From: <sip:7081110000 at xxxxxxx>;tag=as6ed72d65
To: 4081112222 <sip:4081112222 at yyyyyy>;tag=1549130118
Contact: <sip:IVR_pickup at yyyyyy:5070>
Call-ID: 0E1A436F-6A3A-7537-D2FF-B6D5FFF56619 at xxxxxxx
CSeq: 102 REFER
User-Agent: Asterisk PBX
Max-Forwards: 70
Refer-To: <sip:999_44_1234 at xxxxxx:41452;transport=tcp>
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
Supported: replaces
Referred-By: <sip:IVR_pickup at xxxxxx:5070>

2. Opensips.cfg

 if (method=="REFER")
         {
               xlog("Call from Asterisk PROTOCOL=$pr PORT=$op PROTOCOL
PORT=$oP  RQT=$oU \n");
                b2b_init_request("refer");
        }

3. Opensips Log:

Jul 28 09:17:40 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_entities:b2b_new_dlg: no Content-Length header found!
Jul 28 09:17:40 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_entities:server_new: failed to create new dialog structure entry
Jul 28 09:17:40 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_logic:b2b_process_scenario_init: failed to create new b2b server
instance
Jul 28 09:17:41 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_entities:b2b_new_dlg: no Content-Length header found!
Jul 28 09:17:41 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_entities:server_new: failed to create new dialog structure entry
Jul 28 09:17:41 204548-4 /usr/local/sbin/opensips[6199]:
ERROR:b2b_logic:b2b_process_scenario_init: failed to create new b2b server
instance
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