To edit a tariff table, select it from the Select tariff table drop-down list at the top-left of the screen. The table will be loaded into the main editing window displaying two panels, as shown below:
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Dialling codes
The right panel contains all of the combinations of each valid dialling code for both national and international calls. Select between national and international dialling codes by clicking on the relevant option button in the Show dial codes for group. When selecting between the different dialling codes, the table below it is refreshed to include the new information.
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Find UKNAT in the band list (left-hand side window). Double-click on it and you should see the window presented below:
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| Band fields | Description |
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| Min. Duration | Indicates that a call must last for at least x seconds in order to be chargeable. This allows for connection times in the case of old PABX systems, and is a generally accepted figure. |
| Connect Time | This shows the time it normally takes for a call to connect to the specific location, and is subtracted from the actual duration that the PABX reports. It is inherited from old analogue PABX systems that had unreliable connection times, causing clients to be billed for extra time on a call than was actually the case. For modern PABXs, this is not normally an issue and is usually set to 0 now. |
| Call Setup Fee | This allows to enter in any call setup fee that may apply. |
| Minimum Cost | Specifies the minimum cost of a call, regardless of whether the call (at the defined rate for the time it was made) totals less. For example, a 1 minute call at 1p per minute, and a minimum cost of 5p would still total 5p, because 1p * 1 minute = 1p, which is below the minimum cost. |
| Maximum Cost | Used more recently in multimedia and premium rate calls, this specifies that a call can reach no more than the cost specified here, e.g. a 10 minute call at £5.00 per minute, maximum cost £25.00, would only cost £25.00 since it's maximum exceeds the otherwise (10 * 5.00 =) £50.00 cost. |
| Cap Limit (secs) | If there is a maximum duration for particular calls, the duration can be entered here (in seconds). |
| Cap Amount | If there is a maximum charge for a call to a particular number, that capped amount can be entered here. |
| Rate Amounts | These fields specify the rates of calls during weekdays, on Saturdays and on Sundays. The string of numbers is 24 characters long, each character representing its hour in the day, ie. character 1 represents the hour midnight to 1am, character 2 represents 1am to 2am, etc. The digit placeholder for each hour governs the rate at which a call is charged when made during that hour. Eg. 1111111111... means that calls made at any hour of that day will be charged at rate 1. These rates are then defined in their respective boxes, in pence per minute, or equivalent currency. |
| Start Cost | Specifies the starting cost of a call, regardless of how long the duration was. Eg. a starting cost of 50p on a call with a rate of 1p per minute (minimum cost 5p) , lasting 10 minutes, would produce a cost of 50p + (10 * 1) = 60p, the minimum cost already having been exceeded. |
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