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ATM-SGRP (ATM Signaling Group)
Issue 5 October 2002
753
555-233-119
System Technician-Demanded Tests: Descriptions
and Error Codes
Always investigate tests in the order presented in the table below when inspecting
errors in the system. By clearing error codes associated with the Primary
Signaling Link Hardware Check, for example, you may also clear errors generated
from other tests in the testing sequence.
3906 Protocol detail; may offer a
clue if customer is having
ISDN calls denied with an
unexpected intercept tone. 1. If customer is complaining of unexpected intercept
tones when accessing ISDN trunks or PRI endpoints
and no other cause can be found, escalate to the
problem and provide the next tier with this Error Log
information.
3909 A request to use a network
service has been made, but
the network has rejected
the request because the
requested service is not
implemented. 1. Follow the recommendations listed above for Error
Type 3890.
3928 A call was denied because
of a basic incompatibility
between the type of call and
either the facilities selected
by the routing pattern or the
called user itself. This error might be helpful as a clue if the customer
complains of receiving unexpected intercept tone after
accessing ISDN trunks or PRI endpoints.
1. Determine the trunk group from the circuit pack and
port number (in the aux data field)
2. check the BCC fields of the pertinent routing patterns.
3. Also, investigate whether or not the calling and called
endpoints are compatible (for example, some ISDN
switches may not allow a voice station to call a data
extension).
Table 3-2. System Technician-Demanded Tests: ATM-SGRP
Order of Investigation
Short Test
Sequence
Long Test
Sequence
D/ND
1
1. D = Destructive, ND = Non-destructive
Primary Signaling Link Hardware Check (#636) X X ND
Layer 2 Status Test (#647) X X ND
Remote Layer 3 Query Test (#1291) X X ND
Table 83. Descriptions and repair recommendations (Error Types 3840-3928) — Continued
Error
Code
Description Recommendation
Continued on next page