Polycom SoundPoint IP 321 and 331 hartsook 12 years ago click for details The SoundPoint IP 321 is a two-line enterprise-grade IP deskphones with excellent sound quality. MSRP $119 Related PostsPolycom SoundPoint IP 670 6-line Color UI, HD VoiceBria Softphone for iPhone User InstructionsHow FCC’s impending ruling on Net Neutrality will impact usage of the InternetMusing on CES