Caller ID names and numbers

Caller ID names are currently 8 bit characters, propably ISO8859-1, depending on what your channel drivers handle.

IAX2 and SIP caller ID names are UTF8 On ISDN Caller ID names are 7 bit, Almost ASCII (See )

Asterisk does not currently support SIP utf8 caller ID names or caller ID's.
See also

Generated on Thu Apr 16 06:34:42 2015 for Asterisk - The Open Source Telephony Project by  doxygen 1.5.6