On 02/11/2011 18.45, Olivier wroteo:
1. As the above line comes from libpri, how can one be certain the telco
side didn't send the weird NUL byte  ?

Assuming libpri debug doesn't mess nothing is quite sure the NUL come in from the telco.

2. Anyway, as Q.931 allows any IA5 (ISO 646) character, libpri should
notify sysadmin for every non-IA5 character received

But NUL is an IA5 character, so I think must be handled like any other one.
- http://skew.org/iso-ir-001/


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