Telos Zephyr Xstream User Manual
Page 314

USER’S MANUAL
Appendix 3 – ISDN Cause Phrases/Values 302
Cause No. 10 – Prefix 1 not dialed (DMS Custom only)
Indicates that the prefix 1 was not included in the called party address and is required.
Cause No. 11 – Excessive Digits Received, call is proceeding
More digits were dialed than expected. Called number has been truncated to the expected
number.
Cause No. 14 – Excess digits received, call is proceeding
More digits were dialed than expected. Called number has been truncated to the expected
number.
Cause No. 16 ‐ Far end disconnect (Normal call clearing)
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.
Cause No. 17 ‐ Busy, try again later (User busy)
This cause is used to indicate that the called party is unable to accept another call because the
user busy condition has been encountered. This cause value may be generated by the called
user or by the network. In the case of user determined user busy it is noted that the user
equipment is compatible with the call.
Cause No. 18 ‐ No far end response (No user responding)
This cause is used when a called party does not respond to a call establishment message with
either an alerting or connect indication within the prescribed period of time allocated (before
timer T303 or T310 has expired).
Cause No. 19 ‐ No answer (No answer from user, user alerted)
This cause is used when the called user has provided an alerting indication, but not a connect
indication within a prescribed period of time (before timer T301 has expired).
Cause No. 21 ‐ Call rejected
This cause indicates that the equipment sending this cause does not wish to accept this call,
although it could have accepted the call because the equipment sending this cause is neither
busy nor incompatible.
This cause may also be generated by the network, indicating that the call was cleared due to a
supplementary service constraint.
Cause No. 22 ‐ Number changed
This cause is returned to a calling party when the called party number indicated by the calling
party is no longer assigned. The new called party number may optionally be included in the