
X.21 CALL PROGRESS MESSAGES
D-16
[none]
n/a
Normal call clearing (16)
This cause indicates that the call is being
cleared because one of the users involved
in the call has requested that the call be
cleared. Under normal situations, the
source of this cause is not the network.
Normal, unspeciÞed (31)
This cause is used to report a normal
event only when no other cause in the
normal class applies.
Quality of Service not available (49)
This cause is used to report that the
requested Quality of Service, as deÞned in
Recommendation X.213, cannot be
provided (for example, throughput or
transit delay cannot be supported).
Call proceeding
Your call is being connected.
(91)
n/a
Call delivered
Your call is waiting to be
answered. (92)
n/a
Table D-1: X.21 Call Progress Signals and Q.931 Cause Codes (Continued)
Message Text
X.21 Signal and Code
Q.931 Cause and Code
Содержание Concorde 4500
Страница 1: ...Concorde 4500 Administrator s Guide ...
Страница 6: ......
Страница 12: ......
Страница 18: ......
Страница 19: ...Introducing the Concorde 4500 ...
Страница 38: ......
Страница 39: ...Connecting and ConÞguring Your Network ...
Страница 68: ......
Страница 69: ...Managing the Dialing Directory ...
Страница 79: ...ConÞguring General Options for Your System ...
Страница 99: ...ConÞguring and Adjusting the Video and Audio ...
Страница 139: ...ConÞguring Ports ...
Страница 140: ...This chapter describes how to Set the control ports Set the data ports ...
Страница 153: ...Obtaining Diagnostic Information ...
Страница 185: ...Resolving Problems ...
Страница 202: ......
Страница 206: ......
Страница 226: ......