All features of 3.1 plus: Call park, Call coverage, Call waiting, Pool line assignments.
Simultaneous page. Transfer return rings.
System speed dial (100) MOH port and paging port built-in Maximum capacity: 16 lines and 48 stations.
Compatible with all Partner phones.
Compatible with Partner Mail VS Series Voice Mails and Partner Mail.
Compatible with all Partner 200, 206, and 400 modules.