ISDN
Basic Rate 'D' channel Decode showing:
Q.921 - Level 2 Frame Information (collapsible
layer within the decode)
SAPI - Service Access Point Identifier
TEI - Terminal Endpoint Identifier
C/R bit
Frame Type and N(R) and N(S) sequence numbers (where applicable)
Q.931
- Level 3 Packet Information (collapsible layer within
the decode)
All Frame Types, Message Types, and Information Elements
including Call Establishment and Call Clearing,
Screenshot below shows a decoded Call SETUP Frame, showing
Bearer Requirements, Call Numbers, etc.
and a separate Decode window showing CONNECT response with
Time/Date fields
Filters:
Filter on Q.921 or Q.931 frames only, individual Frame types,
Call Numbers, etc.
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