Bandwidth Management Page 97 of 258
Table 6 describes the network configuration and the steps that a call takes during its setup.
Table 6
Configuration details for the general case
| Call progress | Configuration detail and call progress |
Region | steps | during call setup |
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1, 2, 3 |
| UDP used for all calls within the region. |
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1, 2, 3 |
| UDP used for region to region calls. |
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|
1, 2, 3 |
| Prefixes for branch offices for regular calls are |
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| required for all branch offices. May have additional |
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| prefixes for |
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| prefixes. |
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1 | 1 | All branch offices are provisioned at the NRS to route |
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| all outbound calls (from the branch office) through |
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| the main office. (NRS tandem configuration). |
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1 | 2 | Main office sends all UDP calls to destinations that |
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| are not its own branch office to the NRS with |
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| unchanged dialled digits. |
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1 | 3 | Main office sends all UDP calls to destinations that |
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| are its own branch office to the NRS with a specific |
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| gateway prefix in front of the dialled digits. |
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1 | 4 | All branch offices delete the prefix and any LOC |
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| codes, and terminate the calls. May be to a local set |
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| or to a trunk. |
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2,3 |
| Similar call setup steps take places for calls within |
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| region 2 and 3. |
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Main Office Configuration for Survivable Remote Gateway 50 Configuration Guide