> Maybe some codec mismatch or H.245 negotiations failure? They are sending with G729 and the terminating gateway is a Cisco machine. H245 failures... I don't know. How do I figure that out? mabye I should try h245 tunneling=0? ------------------------- E-Mail powered by MadNet. http://www.madnet.ro/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&opÌk _______________________________________________________ List: Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id?49 Homepage: http://www.gnugk.org/