Hi lakshmanan, This was fixed in Openzap revision:1047 Can you update your openzap and update to these wanpipe drivers: ftp://ftp.sangoma.com/linux/custom/DavidYS/wanpipe-3.5.8.6.smg_pri-v1.63.tgz David Yat Sin, BEng, Software Engineer Sangoma Technologies Inc. | 50 McIntosh Drive, Suite 120, Markham ON L3R 9T3 Canada t. 1 905 474 1990 x 119 | e. dyatsin@sangoma.com www.sangoma.com | wiki.sangoma.com Dear all, I'm having a A102 Sangoma hardware. I configured it with freeswitch. wanrouter status, says both the port as connected. My smg_prid version is Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: ================System restart============= Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: = Sangoma PRI Protocol Stack Daemon = Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: = Version: 1.54 = Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: = Date: Feb 15 2010 = Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: = Wanpipe Release: wanpipe-3.5.8.6 = Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: = Revision:Revision: 15288 = Feb 26 16:08:14 FMS-FreeSwitch sangoma_prid: =========================================== My freeswitch version is 16729. I started freeswitch. oz list +OK span: 1 (smg_prid) type: Sangoma (boost) chan_count: 60 dialplan: XML context: default dial_regex: fail_dial_regex: hold_music: analog_options none I originated a call as originate openzap/smg_prid/a/9952248266 &park(), which hits my mobile. But when I issued the following command: originate openzap/smg_prid/a/9952248266 &bridge(openzap/smg_prid/a/8122133885) It rings my mobile (9952248266) first, but after that the following error was displayed 2010-02-26 16:20:51.736080 [ERR] switch_ivr_originate.c:2387 Cannot create outgoing channel of type [openzap] cause: [NORMAL_CIRCUIT_CONGESTION] The call got ended in my mobile. Freeswitch log and smg_pri.conf http://pastebin.freeswitch.org/12248 openzap.conf: [span wanpipe smg_prid] name => smg_prid trunk_type =>e1 b-channel => 1:1-15 b-channel => 1:17-31 trunk_type =>e1 b-channel => 2:1-15 b-channel => 2:17-31 openzap.conf.xml: <configuration name="openzap.conf" description="OpenZAP Configuration"> <settings> <param name="debug" value="0"/> </settings> <boost_spans> <span id="smg_prid"> <param name="dialplan" value="XML"/> <param name="context" value="default"/> </span> </boost_spans> </configuration> Please guide me to setup this one!!.