Re: [asterisk-users] Getting channel 'SIP/192.168.1.69-00000000' refused to negotiate T.38
The configuration I did in Cisco Voice GW is listed below; dial-peer voice 2852 voip description Incoming Fax Calls to Asterisk destination-pattern 329.. session protocol sipv2 session target ipv4:192.168.1.69 codec g711ulaw fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback none Please advise to overcome this warning. On 06/22/2012 12:05 PM, Ahmed Munir wrote: Here is my setup; Fax machine - PSTN - Cisco Voice GW - IP cloud - Asterisk. As on Cisco Voice GW, T.38 fax already configured on SIP protocol. Apparently your configuration of the 'Cisco Voice GW' was not successful, as it refused to accept a re-INVITE from Asterisk that wanted to switch the SIP channel to T.38 mode. -- Kevin P. Fleming Does your VoIP provider support t.38? Sent from my iPad On Jun 22, 2012, at 11:05 AM, Ahmed Munir ahmedmunir...@gmail.com wrote: Hi, I recently configured T.38 on Asterisk 10.4.2. When I send the fax to Asterisk, it gives the errors as listed below; WARNING[25986]: app_fax.c:442 transmit_audio: channel 'SIP/192.168.1.69-' refused to negotiate T.38 WARNING[25986]: app_fax.c:174 span_message: WARNING T.30 ECM carrier not found As in sip.conf the configuration is listed below; t38pt_udptl = yes,fec,maxdatagram=400 faxdetect = t38 And the rest are the standard configuration. Please advise to resolve this issue. -- Regards, Ahmed Munir Chohan -- Regards, Ahmed Munir Chohan -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Getting channel 'SIP/192.168.1.69-00000000' refused to negotiate T.38
Does your VoIP provider support t.38? Sent from my iPad On Jun 22, 2012, at 11:05 AM, Ahmed Munir ahmedmunir...@gmail.com wrote: Hi, I recently configured T.38 on Asterisk 10.4.2. When I send the fax to Asterisk, it gives the errors as listed below; WARNING[25986]: app_fax.c:442 transmit_audio: channel 'SIP/192.168.1.69-' refused to negotiate T.38 WARNING[25986]: app_fax.c:174 span_message: WARNING T.30 ECM carrier not found As in sip.conf the configuration is listed below; t38pt_udptl = yes,fec,maxdatagram=400 faxdetect = t38 And the rest are the standard configuration. Please advise to resolve this issue. -- Regards, Ahmed Munir Chohan -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Getting channel 'SIP/192.168.1.69-00000000' refused to negotiate T.38
Here is my setup; Fax machine - PSTN - Cisco Voice GW - IP cloud - Asterisk. As on Cisco Voice GW, T.38 fax already configured on SIP protocol. Does your VoIP provider support t.38? Sent from my iPad On Jun 22, 2012, at 11:05 AM, Ahmed Munir ahmedmunir...@gmail.com wrote: Hi, I recently configured T.38 on Asterisk 10.4.2. When I send the fax to Asterisk, it gives the errors as listed below; WARNING[25986]: app_fax.c:442 transmit_audio: channel 'SIP/192.168.1.69-' refused to negotiate T.38 WARNING[25986]: app_fax.c:174 span_message: WARNING T.30 ECM carrier not found As in sip.conf the configuration is listed below; t38pt_udptl = yes,fec,maxdatagram=400 faxdetect = t38 And the rest are the standard configuration. Please advise to resolve this issue. -- Regards, Ahmed Munir Chohan -- Regards, Ahmed Munir Chohan -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Getting channel 'SIP/192.168.1.69-00000000' refused to negotiate T.38
On 06/22/2012 12:05 PM, Ahmed Munir wrote: Here is my setup; Fax machine - PSTN - Cisco Voice GW - IP cloud - Asterisk. As on Cisco Voice GW, T.38 fax already configured on SIP protocol. Apparently your configuration of the 'Cisco Voice GW' was not successful, as it refused to accept a re-INVITE from Asterisk that wanted to switch the SIP channel to T.38 mode. -- Kevin P. Fleming Digium, Inc. | Director of Software Technologies Jabber: kflem...@digium.com | SIP: kpflem...@digium.com | Skype: kpfleming 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA Check us out at www.digium.com www.asterisk.org -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
