[asterisk-ss7] SS7 ANSI update

[Tom Chandler]

The chan_ss7.so module now supports 24 bit point codes, increased CIC field and numerous other changes.

Outgoing ISUP msu's are being built correctly, (execpt IAM, got an extra byte in the called number field).

The big problem now is the decoding of the ISUP msu on the receiving switch.

Another problem is in the User Service information, need to determine the correct pointer length to the optionals in the message.  Work needs to be done in this area.

Testing is ongoing, and getting closer.  The originating switch tries to make the call, and when the receiving switch fails, then a release is sent back to the originating switch.  

Any suggestions will be welcome.

Thank You
Tom Chandler
 
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