CALL DROPS AFTER 15 SECONDS This topic has 0 replies, 1 voice, and was last updated 19 years, 11 months ago by John. Viewing 1 post (of 1 total) Author Posts 5th October 2004 at 15:26 #28206 JohnGuest I have a CISCO 5350 with 2T1s. The call drops after 15 seconds. What could be the problem? Thanks John Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.