Hi What is special control 16? I am getting this error quite often -- special control 16, then for some reason it puts on hold and then logs is full of Asked to transmit frame type ulaw, while native formats is 0x8 (alaw) read/write = 0x8 (alaw)/0x8 (alaw) Both peer and trunk have same codec priority (disallow=all then allow=alaw then alllow=ulaw) Any ideas how to fix this ? -- SIP/zzz-000001cd is making progress passing it to SIP/0010777-000001cc -- SIP/0010777-000001cc requested special control 16, passing it to SIP/zzz-000001cd -- Started music on hold, class 'default', on SIP/zzz-000001cd -- SIP/0010777-000001cc requested special control 20, passing it to SIP/zzz-000001cd -- SIP/0010777-000001cc requested special control 16, passing it to SIP/zzz-000001cd -- Stopped music on hold on SIP/zzz-000001cd -- Started music on hold, class 'default', on SIP/zzz-000001cd -- SIP/0010777-000001cc requested special control 20, passing it to SIP/zzz-000001cd -- Remote UNIX connection -- Remote UNIX connection disconnected -- SIP/zzz-000001cd answered SIP/0010777-000001cc [2011-03-28 18:22:27] DEBUG[22502]: channel.c:6092 ast_set_owners_and_peers: setting peeraccount to 123456 for SIP/0010777-000001cc from data on channel SIP/zzz-000001cd -- Locally bridging SIP/0010777-000001cc and SIP/zzz-000001cd [2011-03-28 18:22:27] WARNING[22502]: chan_sip.c:6064 sip_write: Asked to transmit frame type ulaw, while native formats is 0x8 (alaw) read/write = 0x8 (alaw)/0x8 (alaw) [2011-03-28 18:22:27] WARNING[22502]: chan_sip.c:6064 sip_write: Asked to transmit frame type ulaw, while native formats is 0x8 (alaw) read/write = 0x8 (alaw)/0x8 (alaw) [2011-03-28 18:22:27] WARNING[22502]: chan_sip.c:6064 sip_write: Asked to transmit frame type ulaw, while native formats is 0x8 (alaw) read/write = 0x8 (alaw)/0x8 (alaw) [2011-03-28 18:22:27] WARNING[22502]: chan_sip.c:6064 sip_write: Asked to transmit frame type ulaw, while native formats is 0x8 (alaw) read/write = 0x8 (alaw)/0x8 (alaw) -- Nick Ustinov -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20110328/0ba14c76/attachment.htm>