Avaya 03-300430 User Manual

h. Error Type 2305:  The Remote Layer 3 Query test (#637) failed.  A specific message was 

sent to the far-end switch, and it did not respond within the allotted time.

1. Investigate elements of the ATM D channel(s) (ATM-DCH) for both this switch and the 

far-end switch.

If Test #637 fails twice in a row, the B channels are alarmed and made unavailable for 
outgoing calls (although incoming calls are still accepted).  When Test #637 succeeds and 
the far-end switch starts responding properly, the ATM trunk (B channels) are placed back 
into normal operation and their alarms retired.

i. Error Type 3585:  A SERV or SERV ACK ISDN D-channel message has been received by 

a non-US-type interface (country option other than 1 on the DS1 administration screen).  

However, these messages are used only for duplex NFAS signaling, which is supported by 
country protocol 1.

Thus, there may be a mismatch in administration between the local and far-end switches.

1. Consult with the customer’s network provider to determine whether the D channel is set 

up correctly on the far-end switch.

j. Error Type 3840-3928: These error types are used to report certain error messages 

received by the ATM-SGRP Signaling Group for one of its associated B channels.  The Aux 
Data field is the port number of the B channel from which the message was received.

The error code generated equals 3840+x, where x is a Cause Value defined by the ISDN 
PRI Specification.  Note that there is no Test to Clear Value for these error types; selected 
ISDN cause values are placed in the log when they are received, but no direct action or 
alarming is performed solely in response to receiving them.  They provide added data that 
may prove useful when tracking down obscure networking and routing problems.  See 

page 601 for more information.

3842

A request has been 

made to use a transit 

network or common 

carrier that cannot be 

accessed.

From the circuit pack and port number (in the Aux Data 
field), determine the trunk group against which the error 
was reported.

1. Check every routing pattern containing this trunk group 

for validity of interexchange carriers requested (IXC 
field).

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