Hi, We have been running asterisk in our telco interconnect box with ss7 and H323 configured. Everything ran find till now, however, today, it started crashing with the following messages: [Jul 28 14:56:55] WARNING[2968]: acl.c:541 ast_ouraddrfor: Cannot create socket [Jul 28 14:56:55] ERROR[2968]: chan_h323.c:962 __oh323_rtp_create: Unable to locate local IP address for RTP stream [Jul 28 14:56:55] ERROR[2968]: chan_h323.c:1866 external_rtp_create: No RTP stream is available for call ip$209.170.150.50:59927/27809 (27809) ERROR: on_external_rtp_create failure [Jul 28 14:56:55] WARNING[2968]: acl.c:541 ast_ouraddrfor: Cannot create socket [Jul 28 14:56:55] ERROR[2968]: chan_h323.c:962 __oh323_rtp_create: Unable to locate local IP address for RTP stream [Jul 28 14:56:55] ERROR[2968]: chan_h323.c:1866 external_rtp_create: No RTP stream is available for call ip$a.b.c.d:59927/27809 (27809) ERROR: on_external_rtp_create failure [Jul 28 14:56:55] WARNING[2968]: acl.c:541 ast_ouraddrfor: Cannot create socket [Jul 28 14:56:55] ERROR[2968]: chan_h323.c:962 __oh323_rtp_create: Unable to locate local IP address for RTP stream We were searching for clues on this matter, but there doesn't seem to be a lot of information on H323. Could someone help us in understanding what the problem is, and how we can fix it? Regards NYAMUL HASSAN ======================================SkyHigh Communications LLC. 2861 Themis Street Cape Girardeau, MO 63701