The 2-line cordless phone system is a very convenient system to have in your small business or home. Since it is cordless you are not stuck at one specific spot you can walk around and do other things while helping someone on the phone. If your business consists of checking prices on items or having to move from one location to another this is the perfect type of phone for you. You need to be careful that the 2-line cordless phone system does not interfere with any other electronic devices that you might have in your office or home because this will make for a bad connection. The main issue that many folks runs into is the fact that older models of cordless phones interfered with wireless internet connections. These older phones operated in the 2.4Ghz range which is near the same frequency as the main type of wi-fi router. If you get one of the 5.8GHz phones or the newer DECT 6.0 technology, this type of interference should not be a problem.