The sub-machine has a low-power alarm function and an over-distance alarm function calls within the maximum 300 metres (300 meters outdoor , 50 metres indoors),effectively improve the practicality of the cordless phone , improve the signal coverage and the ability to pass through the wall , ...
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In some alternative embodiments, a voicemail and/or PBX application 334 (hereafter referred to as the PBX application) will control host 308 to allow the gateway to double as a PBX with voicemail recording capability and implement voice-over-IP services for telephones coupled via LAN adapters to...
The conventional testing methods described above are limited. Only a particular type of cellular telephone can operate in connection with the laptop computer and its software, and multiple cellular telephones at different geographic locations cannot be simultaneously tested by it. The testing methods usin...