[asterisk-ss7] LIBSS7 channels map problem.

Matthew Fredrickson creslin at digium.com
Wed Feb 27 11:28:50 CST 2008

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.

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