ERROR CODES FOR THE ISDN OPTION
21 December, 2001
2-12
2.2.6 B-CHANNEL NETWORK LAYER
Code
Probable Cause
Action
7-80
A packet having an abnormal GFI was received
6
7-81
A packet was received that had a logical channel number different
from the logical channel being used for the communication
6
7-82
A packet containing a format error was received
6
7-83
A packet containing an LI error was received
7
7-84
A CN packet was received that had a PID different from 02
7
7-85
Unsupported packet type received
7
7-86
Abnormal or unsupported facility received
7
7-87
P(s) sequence number error
6
7-88
P(r) sequence number error
6
7-89
A reset using S:RQ or R:RI occurred
6
7-90
A restart using S:RQ or R:SI occurred
6
7-91
Call set-up error; in reply to S:CR, R:CI was received to indicate
rejection of the call
7
7-92
T20 timeout; timeout while waiting for an SF packet
6
7-93
T21 timeout; timeout while waiting for a CC packet
6
7-94
T22 timeout; timeout while waiting for an RF packet
6
7-95
T23 timeout; timeout while waiting for a CF packet
6
7-96
T10 timeout; timeout while waiting for the first frame
6
2.2.7 TRANSPORT LAYER
Code
Probable Cause
Action
8-00
Invalid block received
8
8-01
TCC block received
8
8-02
TBR block received
8
8-05
TCR block; block format error
8
8-06
TCR block; block size parameter LI error
8
8-07
TCR block; extended addressing LI error
8
8-08
TCR block; block size length error
8
8-10
TCA block; block format error
8
8-11
TCA block; Tx origin reference data in TCR disagreed with the address
reference data in TCA
8
8-12
TCA block; octet 7 did not equal 0
8
8-13
TCA block; extended addressing LI error
8
8-14
TCA block; block size exceeded that set by TCR
8
8-15
TCA block; block size parameter LI error
8
8-20
TDT block; block format error
8
8-21
TDT block; octet 3 did not equal either 00 or 80(H)
8
8-22
TDT block; the end indicator was “Continue” even though there was no
field data
8
8-23
TDT block; an end block with no field data was received after an end
indicator of “End”
8
8-26
Timeout during state 0.2
8
8-27
Timeout during state 1.1
8
8-28
Timeout during state 0.3
8
