I'm running the latest version of cvs (not stable), I'm not sure what the other end is running and if this has been fixed or not yet, however I was playing round with onhold earlier, the call went to onhold, and came back from it, then 2 seconds later was hung up unexpectedly, below is what was on console... -- Started music on hold, class 'default', on IAX2[x.x.x.x:4569]/1 -- Stopped music on hold on IAX2[x.x.x.x:4569]/1 Apr 15 23:46:33 WARNING[458768]: chan_iax2.c:2723 iax2_send: timestamp is 0? -- Hungup 'IAX2[x.x.x.x:4569]/1' -- Best regards, Duane http://www.cacert.org - Free Security Certificates http://www.nodedb.com - Think globally, network locally http://www.sydneywireless.com - Telecommunications Freedom http://happysnapper.com.au - Sell your photos over the net! http://e164.org - Using Enum.164 to interconnect asterisk servers