100 users (expandable to 200) and 30 concurrent calls (expandable to 60) Includes 100 SIP trunks Add optional modules to activate additional ports up to 16 Analog, 16 BRI, 6 GSM, and 2 E1/T1/J1 Includes 10,000 minutes of expandable voicemail storage Add D30 module to expand capacity by 100 extensions and 30 concurrent calls 2 interfaces for expansion cards (EX08 1 PRI card or EX30 mounting card for 4 modules) Built-in call recording capability Add on powerful apps including auto provisioning, LDAP, and more Free lifetime software/firmware upgrades Connect multiple sites and remote users instantly