clear causes
hex code | |
00 | DTE clearing |
01 | Number busy |
03 | Invalid call |
05 | Network congestion |
09 | Out of order |
0B | Access barred |
0D | Not obtainable |
11 | Remote procedure error |
13 | Local procedure error |
15 | RPOA out of order |
19 | Reverse charging not subscribed to |
21 | DTE incompatible call |
29 | Fast select not subscribed to |
39 | Ship absent |
14.1 - CLEAR PACKET
The call can be cleared by either end (or in case of faults by the network)
at any time during the call.
The CLEAR packet contains a 2 byte
data field containing the cause and diagnostic bytes, these bytes give the reason
for the clear and are therefore very useful for finding faults.
The first byte
is the cause byte and is coded as shown opposite.
000 | H01 | No additional information | |
001 | H01 | INVALID P(S) | RESET |
002 | H02 | INVALID P(R) | RESET |
017 | H11 | PACKET TYPE INVALID FOr STATE r1 | RESTART |
018 | H12 | PACKET TYPE INVALID FOR STATE r2 | RESTART |
019 | H13 | PACKET TYPE INVALID FOR STATE r3 | RESTART |
020 | H14 | PACKET TYPE INVALID FOR STATE p1 | CLEAR |
021 | H15 | PACKET TYPE INVALID FOR STATE p2 | CLEAR |
022 | H16 | PACKET TYPE INVALID FOR STATE p3 | CLEAR |
023 | H17 | PACKET TYPE INVALID FOR STATE p4 | CLEAR |
024 | H18 | PACKET TYPE INVALID FOR STATE p5 | RESET |
025 | H19 | PACKET TYPE INVALID FOR STATE p6 | CLEAR |
026 | H1A | PACKET TYPE INVALID FOR STATE p7 | CLEAR |
027 | H1B | PACKET TYPE INVALID FOR STATE d1 | RESET |
028 | H1C | PACKET TYPE INVALID FOR STATE d2 | RESET |
029 | H1D | PACKET TYPE INVALID FOR STATE d3 | RESET |
032 | H20 | PACKET NOT ALLOWED | |
033 | H21 | UNIDENTIFIABLE PACKET | |
034 | H22 | CALL ON ONE-WAY LOGICAL CHANNEL | CLEAR |
035 | H23 | INVALID PACKET TYPE ON PVC | RESET |
036 | H24 | PACKET ON UNASSIGNED LCN | CLEAR |
037 | H25 | REJECT NOT SUBSCRIBED TO | RESET |
038 | H26 | PACKET TOO SHORT | RESET |
039 | H27 | PACKET TOO LONG | RESET |
040 | H28 | INVALID GFI | CLEAR |
041 | H29 | RESTART WITH NON-ZERO BITS 5-16 | |
042 | H2A | PACKET TYPE NOT COMPATIBLE WITH FACILITY | CLEAR |
043 | H2B | UNAUTHORISED INTERRUPT CONF | RESET |
044 | H2C | UNAUTHORISED INTERRUPT | RESET |
049 | H31 | TIMER EXPIRED; INCOMING CALL | |
050 | H32 | TIMER EXPIRED; CLEAR INDICATION | |
051 | H33 | TIMER EXPIRED; RESET INDICATION | |
052 | H34 | TIMER EXPIRED; RESTART NND | |
064 | H40 | UNSPECIFIED CALL SET-UP PROBLEM | CLEAR |
065 | H41 | FACILITY CODE NOT ALLOWED | CLEAR |
066 | H42 | FACILITY PARAMETER NOT ALLOWED | CLEAR |
067 | H43 | INVALID CALLED ADDRESS | CLEAR |
068 | H44 | INVALID CALLING ADDRESS | CLEAR |
044 | H90 | DTE/DCE CONGESTION | RESET |
045 | H91 | RECEIVED FAST SELECT CLEAR REQUEST | |
046 | H92 | LINE RESTARTING BY INMC COMMAND | RESTART |
160 | HA0 | NON-ZERO RESET CAUSE FROM DTE | RESET |
161 | HA1 | DATA PACKET TOO LONG | RESET |
162 | HA2 | INTERRUPT PACKET TOO LONG | RESET |
163 | HA3 | INT PACKET TOO SHORT; NO USERDATA | RESET |
164 | HA4 | INT CONFIRMATION PACKET TOO LONG | RESET |
165 | HA5 | RR PACKET TOO LONG | RESET |
166 | HA6 | RNR PACKET TOO LONG | RESET |
167 | HA7 | RESET PACKET TOO LONG | RESET |
168 | HA8 | RESET CONF PACKET TOO LONG | RESET |
169 | HA9 | INVALID `Q' BIT IN DATA PACKET | RESET |
170 | HAA | PACKET WINDOW RANGE EXCEEDED | RESET |
171 | HAB | UNABLE TO TRANSMIT PACKET | RESET |
172 | HAC | `Q' BIT SET IN NON-DATA PACKET | RESET |
173 | HAD | OUTSTANDING PACKET COUNT LESS THAN ZERO | RESET |
174 | HAE | RETRANSMISSION ERROR | RESET |
175 | HAF | RESET PACKET TOO SHORT (NO CAUSE) | RESET |
176 | HB0 | REJECT PACKET TOO LONG | RESET |
177 | HB1 | INVALID 1D PACKET | RESET |
178 | HB2 | UNSUCCESSFUL RECONNECTION RESNC | CLEAR |
179 | HB3 | NON-RECONNECT CALL IN STATE C1 | CLEAR |
180 | HB4 | SECOND 1D PACKET FROM DTE | CLEAR |
181 | HB5 | BAD DATA TRANSFER STATE IN RECONNECT | CLEAR |
182 | HB6 | PACKET FORMAT INVALID | CLEAR |
183 | HB7 | FACILITY BYTE COUNT TOO LARGE | CLEAR |
184 | HB8 | INVALID PACKET DETECTED | CLEAR |
185 | HB9 | FACILITY/UTILITY FIELD BYTE COUNT > 63 | CLEAR |
186 | HBA | OUTGOING CALLS BARRED | CLEAR |
187 | HBB | INCOMING CALLS BARRED | CLEAR |
188 | HBC | CLEARING OF PVC | CLEAR |
189 | HBD | CALLED ADDRESS TOO LONG | CLEAR |
190 | HBE | CALLED ADDRESS TOO SHORT | CLEAR |
191 | HBF | CALLING ADDRESS TOO LONG | CLEAR |
192 | HC0 | CALLING ADDRESS TOO SHORT | CLEAR |
193 | HC1 | BCD ERROR IN CALL ADDRESS | CLEAR |
194 | HC2 | BCD ERROR IN CALLING ADDRESS | CLEAR |
195 | HC3 | USER DATA FIELD TOO LONG | CLEAR |
196 | HC4 | NO BUFFER AVAILABLE | CLEAR |
197 | HC5 | LOCAL DTE IS NOT ENHANCED | CLEAR |
198 | HC6 | FACILITY NEGOTIATION INVALID | CLEAR |
199 | HC7 | MANDATORY UTILITY NOT INPUT | CLEAR |
200 | HC8 | BUFFER NO AVAILABLE FOR TNIC | CLEAR |
201 | HC9 | OVERFLOW OF TNIC IN BUFFER | CLEAR |
202 | HCA | DTE LINECONGESTED | CLEAR |
203 | HCB | TABLE ERROR IN PACKET PROCEDURES | |
204 | HCC | INSERT TABLE OVERFLOW | |
205 | HCD | DELETE TABLE OVERFLOW | |
208 | HD0 | TRUNK LINE RESTART | RESTART |
209 | HD1 | INVALID EVENT IN STATE p2 | |
210 | HD2 | INVALID EVENT IN STATE p3 | |
211 | HD3 | INVALID 1D EVENT IN STATE d1 | |
212 | HD4 | CALL COLLISION ON TRUNK LINE | |
213 | HD5 | NO BUFFER AVAILABLE | |
214 | HD6 | CALL COLLISION ON DTE LINE | |
215 | HD7 | DTE RESTART | |
216 | HD8 | CALL REQUEST TO TRUNK LINE TOUT | |
217 | HD9 | RECONNECT SET-UP TIMED OUT | |
218 | HDA | INVALID OUTPUT SIDE STATE | |
219 | HDB | ERROR DETECTED IN BLINK PACKET QUEUE PROCEDURE | |
220 | HDC | RESET INDICATION RETRANSMISSION COUNT EXPIRED | |
221 | HDD | INVALID OUTPUT SIDE STATE | |
222 | HDE | BLIND BUFFER QUEUE OVERFLOW IN STATE d4 | |
223 | HDF | BLIND BUFFER QUEUE OVERFLOW IN STATE c1 | |
224 | HE0 | BLIND BUFFER QUEUE OVERFLOW IN STATE c2 | |
225 | HE1 | CLEAR PACKET BYTE COUNT TOO LARGE OR TOO SMALL | |
226 | HE2 | NON-ZERO CLEAR CAUSE | |
227 | HE3 | CLEAR CONF PACKET BYTE COUNT TOO SMALL OR TOO LARGE | |
228 | HE4 | CALL COLLISION | |
229 | HE5 | INVALID TP LOAD REQUEST CALL PKT | |
230 | HE6 | MAXIMUM HOPCOUNT EXCEEDED | |
231 | HE7 | ROUTING LOOP DETECTED | |
232 | HE8 | PVC CALL REQUEST FAILURE | |
233 | HE9 | RECONNECT CALL REQUEST FAILED | |
234 | HEA | NO LC AVAILABLE ON OUTPUT SIDE | |
235 | HEB | NO BUFFER AVAILABLE | |
236 | HEC | CALL REDIRECTION CLEAR | |
237 | HED | NO PATH ROUTE CALL | |
238 | HEE | CALL ROUTED TO DTE LINE | |
239 | HEF | CALL CANNOT BE REROUTED | |
240 | HF0 | ADDRESS NOT IN ROUTING TABLES | |
241 | HF1 | ROUTING TABLE CHANGE DURING CALL ROUTING | |
242 | HF2 | NO LC AVAILABLE ON FAKE TRUNK | |
243 | HF3 | REMOTE DTE DOWN ON A PVC | |
244 | HF4 | INVALID EVENT DETECTED | |
245 | HF5 | INVALID PACKET RECEIVED; STATE d4 | |
246 | HF6 | INVALID PACKET RECEIVED; STATE d5 | |
247 | HF7 | INVALID PACKET RECEIVED; STATE p8 | |
248 | HF8 | INTERNAL PROCESSING FAILURE | |
249 | HF9 | INVALID RESTART INDICATION | |
250 | HFA | LINE STATUS CHANGE IN STATE r4 | |
251 | HFB | INVALID PACKET RECEIVED; STATE r4 | |
252 | HFC | INVALID PACKET RECEIVED; STATE r3 | |
253 | HFD | LINE STATUS CHANGE IN STATE r2 | |
254 | HFE | LINE STATUS CHANGE IN STATE r1 | |
255 | HFF | LINE STATUS CHANGE IN STATE r0 |