Sorry for responding so late. Does this mean that the fax is going to a dialpeer that isn't being configured to handle T.38 ? I'm trying to send the faxes with just 1 entire number, so I don0t think the call is not matching that dialpeer . . . . any thoughts ?
On Fri, Jul 17, 2009 at 3:33 PM, Steve Underwood <[email protected]> wrote: > Klaus Darilion wrote: > > Xavier Cardil schrieb: > > > >> Hi, I've managed to get HYLAFAX---->T38MODEM-----> > >> ASTERISK---->CISCOAS5400 working, but when they are negotiating asterisk > >> drops a message telling "Unknown RTP codec 96 received from gateway" Do > >> somebody know how to fix it ? > >> > >> Thank you ! > >> > >> > >> > >> << [ TYPE: Control (4) SUBCLASS: Ringing (3) ] > [SIP/GWCISCO5400O-600bfcc8] > >> << [ TYPE: Control (4) SUBCLASS: Answer (4) ] > [SIP/GWCISCO5400O-600bfcc8] > >> << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] > [SIP/GWCISCO5400O-600bfcc8] > >> << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] > [SIP/GWCISCO5400O-600bfcc8] > >> << [ TYPE: Control (4) SUBCLASS: T38/Negotiation Requested (19) ] > >> [SIP/GWCISCO5400O-600bfcc8] > >> << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] > [SIP/GWCISCO5400O-600bfcc8] > >> [Jul 16 17:50:39] NOTICE[2736]: rtp.c:1739 ast_rtp_read: Unknown RTP > >> codec 96 received from '192.168.3.163' > >> > > > > Is '192.168.3.163' the Cisco GW? If yes, then it is probably an NSE > > packet. NSE is a Cisco proprietary FaxoverIP solution and uses per > > default payload types 96 and 97 to signal a changeover from VoIP to FoIP. > > > > Probably you have to configure the Cisco GW to use T.38 instead of NSE > > for FoIP. > > > When did RFC2833 become a proprietary Cisco spec? > > The NSEs just signal the startup of FAX. You still need to switch into > T.38 to actually exchange the FAX. > > Steve > > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > 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 -- AstriCon 2009 - October 13 - 15 Phoenix, Arizona Register Now: http://www.astricon.net asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
