Excelltel SOHO-PBX SP-416CS+ (4 Phone Lines x 16 Extensions PABX) Telephone Switch System Control Exchange This SOHO-PBX SP-416CS+ system is an ideal telephone system for small offices and home offices. It is very easy to install and use. It has all the standard features comparable to those expensive PBX systems in the market. It works with your current analog phones and you do not need to spend extra money to buy proprietary telephones to work with the PBX. The SP-416CS+ is your ideal small or home office receptionist. It is features packed and comes with an easy to follow instruction booklet. We provide online technical support services backed by the manufacturer SOHO-PBX. In addition, the PBX-416CS+ carries a 30 day unconditional money back guarantee and one year replacement warranty . SOHO-PBX SP-416CS+ Capacity: 2/3/4Co lines, 8/16 extensions