click for detailsThe Polycom SoundPoint IP 650 is a six-line SIP desktop phone that brings life-like richness and voice quality to phone calls.MSRP $435Related PostsWhy VoIP Network Performance MattersPolycom SoundPoint IP 550 4-line HD voice3 Things about VoIP Your Boss Wants to KnowTop 3 Reasons to Trust Telnexus with Your Phones