Avaya Partner ver 3.0 system. Intercom, Page over loudspeakers. Idustrial setting, volume must be high to be heard. When using extensions in shop area feedback is very high, making words unhearable, ...
Phone dial pad repair I have an expensive Plantronics Calisto cordless phone and headset. # '7' on the dial pad doesn't work. Any ideas? Thanks! Vincent Most of these devices use a conductive rubber ...
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