Reference Guide for the Model RT210/RT211 ISDN Routers

Troubleshooting 5-3

For a list of the internal ISDN call clearing codes generated by the BRI terminal adapter, refer to Table 5-2.
38 Network out of order
41 Temporary failure
42 Switching equipment congestion
43 Access information discarded
47 Resources unavailable (unspecified)
50 Requested facility not subscribed to
63 Service or option not available
84 Call identity in use
88 Incompatible destination
90 Destination address incomplete
102 Recovery on timer expiry
127 Internetworking unspecified

Table 5-2. ISDN internal clearing codes

Reason Description
128 - 143 Call control timer expiry
145 Data link failure
146 TEI or SPID (USA) negotiation failure
162 Network access not connected
177 Call clearing because of restart procedure

Table 5-1. ISDN clearing codes (continued)

Reason Description
NGRRT210.BK Page 3 Friday, October 17, 1997 2:37 PM