Treatment of Q.931 Shifted Code Sets in H.225.0v2
Tom Taylor
Tom.Taylor.taylor at NT.COM
Fri Feb 20 09:37:04 EST 1998
In Sec. 7.1 of H.225.0 the following paragraph appears shortly before
the table:
"Endpoints not supporting Q.931 shifted code sets shall ignore all Q.931
messages using such methods."
Was this not supposed to read:
"Endpoints not supporting Q.931 shifted code sets shall ignore all IEs
using such methods."
Background: the latter is the practice in ISDN land. The typical use of
shifted code sets in North America is for the end-to-end transport of
display information (e.g. caller's name and number). Code set 5
(national information) is used for the purpose.
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