If you have not installed outside the port perimeter, then the port must be set the addition line is not connected. First identified several packed outside the host, to determine its location outside the port, if you do not want to use the external port is set to not connect, the specific method is the first entry into the system programming 0l small term set to 0 for no connection 1 GHD Hair indicates the connection. For example: 6 is now installed only outside, the first being 7-8 is not used outside the port, how to turn off ghd styler unused ports?dedicated phone programming: In the time display mode, press the check key three times to hear the beep, then enter 1967590, type 01 (dedicated telephone set 1 shown on an outside line, the cursor in the 1-10030 under the first 1 to 1 outside port to outside port 7) Input 7, press Transfer key once, enter 00030, press the GHD transfer button once, type 8, press Transfer key once, enter 00030, press the Hold button once, and then clear the key twice. 

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