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Equalize Power with VoWLAN Phones |
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Written by Jim Geier
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Monday, 02 April 2007 |
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I've been doing some testing with Cisco 7920 wireless IP phones, and I've found that it's very important to equalize the transmit power on the phone and access point. If this is not done, then you'll likely have areas within the facility where audio only goes one direction. For example if the phone is set to 20mW and the access point is set to 100mW, then there will be areas where a connection is possible, but transmissions from the phone to the access point may not make it through (but they will in the opposite direction). As a result, be sure to set the phones and access points to the same transmit powers.
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