... Out-Going Message; 3.Built-in Caller ID function for intercom and outside Line number and number can be transferred display ... automatically;13.Auto. call-back on busyWhen make outside or intercom call but busy, system can call back to this extension ... extension is busy or no-one answer , the incoming or intercom call to this extension can be forwarded to others. Including ...
1.GSM sms alarm system 2. can set 1 group of CMS No. and 5 groups Tel No. 3. Can remote control the household appliance GSM sms alarm system:Features:1.The control panel use GSM/GPRS mode, stable and reliable, it can be used all over the world.2.Supporting GSM/CDMA mobile phone .the Chinese and English message can be alarmed.3.3 wired zones, 16 wireless zones, and very zone can arm or disarm, ...
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