-- Executing [2104988888 at internal:1] Dial("SIP/1000-081d91a0", "CAPI/ISDN1/2104988888") in new stack -- didn't find capi device for interface 'ISDN1' [Jan 12 16:20:16] WARNING[3359]: app_dial.c:1191 dial_exec_full: Unable to create channel of type 'CAPI' (cause 44 - Requested channel not available) == Everyone is busy/congested at this time (1:0/0/1) -- Executing [2104988888 at internal:2] Congestion("SIP/1000-081d91a0", "") in new stack == Spawn extension (internal, 2104988888, 2) exited non-zero on 'SIP/1000-081d91a0' So, the question is: Why aren't the channels normaly released??? Thanx in advance, Antonis P.S. Sorry for writting so much...