| Feature Highlights | 
Eight to 64 IP phone station supportFour to 8 analog trunks or two to 4 BRI digital trunksOptional single T1/E1 voice interface (PRI and CAS)Integrated voicemail16 hours voicemail storageAutomated attendantIntegrated business productivity applicationsIntegrated securityMusic on holdOptional on board wireless accessSimple system configuration and management | 
Eight to 32 phone station supportFour to 8 analog trunks or two to 4 BRI digital trunksOptional single T1/E1 voice interface (PRI and CAS)Integrated voicemail32 hours voicemail storageAutomated attendantIntegrated business productivity applicationsIntegrated securityMusic on holdOn board wireless includedSimple system configuration and management | 
16 to 104 phone station supportFour to 12 analog trunks or two to 6 BRI digital trunksOptional one or two T1/E1 voice interface (PRI and CAS)Integrated voicemail32 or 64 hours voicemail storageAutomated attendantIntegrated business productivity applicationsIntegrated securityMusic on holdWireless support with the Cisco AP 500 Series Wireless Access PointSimple system configuration and management |