How many phone lines can I install on one jack?

For data jacks that VoIP phones run on you can essentially have an unlimited number of phone lines associated with one device.  By installing a 6 line phone and then adding on sidecars you can ensure that multiple lines will appear on the single data jack.

For traditional analog/Centrex jacks you can install four phones on the voice port of a jack. For example, two phones, one fax, and a credit card machine.
 

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Last updated: 

October 03, 2012

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