Grant Arix wrote: > Exactly, > > The telco, start they channel by 33-63. because when we consider that on a MIC, the first IT, IT 0 is not use. in this case the usable channel will start from 1 to 31. > > In the same way, in the second MIC, the IT 0 will correspond to IT 32, in this case de channel map will start from 33 to 63. to respect the norm. > > And the switch manager tells me that there no way to define the CICs from 32-62 on they side because, the IT 32 is use like IT 0. > > And both IT 0 and IT 32 are reserved. > > However when i leave the channel 33-62, the channels are open and all are "IN SERVICE" but when i try a call, i dont hear voice whereas the call is answered and a file is played. > > That sounds like the cics are not aligned is that ? This is your second span config: // Second E1 port cicbeginwith = 33 channel =33-47 cicbeginwith = 49 channel =49-63 sigchan = 48 Did you try keeping your cicbeginswith=33 and starting your channel= line with 32 instead of 33? -- Matthew Fredrickson Software/Firmware Engineer Digium, Inc.