Dear Friends,
   I'm using ftmod_sangom_isdn in my setup and I would want to know the TON(Type of Numbering) presented for each call. Is it possible to know the TON through channel variable in freeswitch?!
  
   Based on the Type Of Numbering of a call, I would want to modify the caller_id to a standard format and store in my database.

It's always pleasure working with FS. Thanks.
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Nagalenoj H.