the dialer work only when the landline off?

Problems about Burglar Alarm
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the dialer work only when the landline off?

Post: # 1807Post admin
Wed Jan 19, 2011 1:25 pm

Model: NH1900B, NH1900C, NH900B, NH900C


No, there is not an auto-switchable feature, dialer will dial out only using GSM connection.

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