Reference Guide for the Model RT328 and Model RH348 ISDN Routers
1 00110100 INFORMATION ELEMENT : SIGNAL |
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2 | 00000001 | IE length | : | 1 octets |
3 | 00000001 | Signal value | : | ring back tone on |
| 00:00:13.42 | 4 | bytes LAPD | D | TE | R | SAPI=0 | TEI=97 | RR | P/F=0 | NR=9 | |
| 00:00:13.44 | 11 | bytes LAPD | D | NT | C SAPI=0 TEI=97 INFO | P=0 | NR=7 NS=9 | ||||
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| 7 bytes Northern American |
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| Dest | CR=0X03 PD=Q.931 | CONNect |
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1 | 00110100 INFORMATION ELEMENT : SIGNAL |
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| 2 | 00000001 IE length |
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| : | 1 octets |
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| 3 | 00111111 Signal value |
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| : | tones off |
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| 00:00:13.46 | 4 | bytes LAPD | D | TE | R | SAPI=0 TEI=97 RR | P/F=0 NR=10 | ||||
| 00:00:13.47 | 8 | bytes LAPD | D | TE | C SAPI=0 TEI=97 INFO | P=0 | NR=10 NS=7 | ||||
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| 4 bytes Northern American |
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| Orig | CR=0X03 PD=Q.931 | CONNect ACKnowledge |
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| 00:00:13.49 | 4 | bytes LAPD | D | NT | R SAPI=0 TEI=97 RR | P/F=0 NR=8 | |||||
| 00:00:24.65 | 4 | bytes LAPD | D | NT | C SAPI=0 TEI=88 RR | P/F=1 NR=2 | |||||
| 00:00:24.66 | 4 | bytes LAPD | D | TE | R SAPI=0 TEI=88 RR | P/F=1 NR=3 | |||||
| 00:00:36.14 | 12 | bytes LAPD | D | TE | C SAPI=0 TEI=97 INFO | P=0 | NR=10 NS=8 | ||||
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| 8 bytes Northern American |
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| Orig | CR=0X03 PD=Q.931 | DISConnect |
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| 1 | 00001000 INFORMATION ELEMENT : CAUSE |
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| 2 | 00000010 IE length |
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| : 2 octets |
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| 3 |
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| : not continued |
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| : CCITT |
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| : user |
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| : not continued |
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| : Normal call clearing |
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| 00:00:36.16 | 4 | bytes LAPD | D | NT | R SAPI=0 TEI=97 RR | P/F=0 NR=9 | |||||
| 00:00:36.36 | 8 | bytes LAPD | D | NT | C SAPI=0 TEI=97 INFO | P=0 | NR=9 NS=10 | ||||
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| 4 bytes Northern American |
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| Dest | CR=0X03 PD=Q.931 | RELease |
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| 00:00:36.38 | 4 | bytes LAPD | D | TE | R SAPI=0 TEI=97 RR | P/F=0 NR=11 | |||||
| 00:00:36.39 | 8 | bytes LAPD | D | TE | C SAPI=0 TEI=97 INFO | P=0 | NR=11 NS=9 | ||||
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| 4 bytes Northern American |
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| Orig | CR=0X03 PD=Q.931 | RELease COMplete |
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| 00:00:36.41 | 4 | bytes LAPD | D | NT | R SAPI=0 TEI=97 RR | P/F=0 NR=10 | |||||
End of buffer |
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Figure
Using the Protocol Analyzer and Trace Tools |