With 3 g and WIFI network rapid popularization and development of the wireless VOIP application is becoming more and more attention, VOIP voice communications technology with the combination of new wireless broadband, will change the businesses and consumers to obtain and use of mobile and fixed voice services, in the special environment of mobile phone signal is very weak, in the mobile phone software will automatically transfer the call to a WLAN phonetic system, and is outside the scope of WLAN coverage, the call will switch to the mobile phone network, this paper proposes a wireless upgrade solution based on AR1688 series VOIP phone,
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