Open-Standard SIP
IP Trunks and Extensions
Presence Indication and IM
Peer-to-Peer Calling
Dynamic DNS client
VoIP over UMTS (3G)
Call Forking
Fax over IP (T.38 and Pass-Through)
4 Auto-Attendants with Voice Guidance
32 Users and 5 Group Mailboxes
Personalized Greetings and Messages
Greetings by Day, Night, Holidays
Voice Mail to Email Notification
Conversation Recording up to 576 Hours