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Technical Configuration | MultiVOIP User Guide |
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Voice/Fax Parameter Definitions (cont’d)
Coder Parameters |
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Coder | Manual or | Determines whether selection of |
| Auto- | coder is manual or automatic. |
| matic | When Automatic is selected, the |
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| local and remote voice channels will |
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| negotiate the voice coder to be used |
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| by selecting the highest bandwidth |
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| coder supported by both sides |
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| without exceeding the Max |
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| Bandwidth setting. G.723, G.729, or |
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| G.711 are negotiated. |
Selected | G.711 a/u | Select from a range of coders with |
Coder | law 64 | specific bandwidths. The higher the |
| kbps; | bps rate, the more bandwidth is |
| G.726, @ | used. The channel that you are |
| 16/24/32 | calling must have the same voice |
| /40 kbps; | coder selected. |
| G.727, @ | Default = G.723.1 @ 6.3 kbps, as |
| nine bps | |
| rates; | required for H.323. Here 64K of |
| G.723.1 @ | digital voice are compressed to |
| 5.3 kbps, | 6.3K, allowing several simultaneous |
| 6.3 kbps; | conversations over the same |
| G.729, | bandwidth that would otherwise |
| 8kbps; | carry only one. |
| Net Coder | To make selections from the |
| @ | |
| 6.4, 7.2, 8, | Selected Coder |
| 8.8, 9.6 | Manual option must be enabled. |
| kbps |
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Max | 11 – 128 | This |
bandwidth | kbps | select the maximum bandwidth |
(coder) |
| allowed for this channel. The Max |
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| Bandwidth |
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| enabled only if the Coder is set to |
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| Automatic. |
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| If coder is to be selected |
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| automatically (“Auto” setting), then |
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| enter a value for maximum |
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| bandwidth. |