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03 30 | 03 31 | 03 32 | 03 33 |
| State of Bits
| Trace of a Frame Trans- mitted P Bit | Type of Frame Trans- mitted on T1 | State of Timeout T1 | State of Connection State Machine | |||||
|---|---|---|---|---|---|---|---|---|---|
BIT 5 | BIT 4 | BIT 3 | BIT 2 | BIT 1 | BIT 0 |
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0 | - | - | - | - | - | Transmitted P = 1 |
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1 | - | - | - | - | - | Transmitted P = 0 |
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- | 0 | 0 | - | - | - |
| No frame |
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- | 0 | 1 | - | - | - |
| DISC |
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- | 1 | 0 | - | - | - |
| FRMR |
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- | 0 | 1 | - | - | - |
| SABM |
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- | - | - | 0 | - | - |
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| T1 not set |
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- | - | - | 1 | - | - |
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| T1 not set |
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- | - | - | - | 0 | 0 |
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| Disconnected |
- | - | - | - | 0 | 1 |
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| Connection/reset in progress |
- | - | - | - | 1 | 0 |
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| Connected |
- | - | - | - | 0 | 1 |
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| Disconnection in progress |
This data is present in the case of a call by the operator on the terminal concerned.
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| 1 digit per nibble |
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LGEA: | Length in nibbles of called party address field. |
LGED: | Length in nibbles of calling party address field. |
For these outstanding events, there are two possible facilities: reverse charging (RC) and/or closed user group (CUG).
Each facility takes two bytes of the facility field.
RC | 01, 01 |
|
--------------- |
| XY = Number of CUG requested. |
CUG 03, XY |
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Posted: Thu Jan 25 13:49:52 PST 2001
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