Polycom SoundPoint IP 321 and 331 hartsook 11 years ago click for details The SoundPoint IP 321 is a two-line enterprise-grade IP deskphones with excellent sound quality. MSRP $119 Related PostsSound Big With Telnexus Cloud PBXYealink T20 Enterprise HD IP Phone 2 VoIP AccountsMeraki VPN Client Setup InstructionsTelnexus Alert: Heatbleed SSL Bug Advice