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UNIT 6: MULTI-CELL WIRELESS - LESSON 3: INSTALLATION & PROGRAMMING Whenever a Portable Station is alerted that an incoming outside line or intercom call is arriving, a Cell Station channel is needed to alert each Portable Station that is programmed to ring. If several Portable Stations need to ring, many of the available Cell Station channels will be occupied while each Portable Station is ringing. This could prevent other Portable Station calls from being made or received because no Cell Station channels are available. It should be noted that as soon as a Portable Station answers the call, all Cell Station channels that were being used to alert Portable Stations become idle except for the channel needed by the answering PS. Portable Station Ring Groups will help to better utilize the available Cell Station channels when several Portable Stations must ring for a single incoming call. In order to alert several Portable Stations at the same time, only a single Cell Station channel is needed from each Cell Station that is the active Cell Station for a destination Portable Station. Here is an example…let’s say that CO line 6 is assigned to ring to an ICD Group that includes Portable Stations 120 and 121. Both extensions 120 and 121 are in a given area and are using the same Cell Station. If CO line 6 receives an incoming call, both Cell Station channels are needed to alert extensions 120 and 121. Now imagine that extensions 120 and 121 are in a PS Ring Group. If CO line 6 is programmed to ring to the assigned Floating Extension Number for the PS Ring Group, only one channel from the Cell Station is needed to alert both extensions leaving one channel free. This operation can be monitored using the Utility CS Information programming screen. Click here to see an example of how to use the |
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