FEATURES:
IP PBX Call & Administration Features:

Wake-up Calls / Reminders
Auto-Redial / Camp on
Boss/Secretary + Whitelist
IP phone provisioning
Email notications
Hotel PMS integration
High-availability
Storage monitoring
Disaster Recovery
Hot-desking
Personal recording / notes
User-friendly Web interface
Video calls
IP PBX Security Features:
Call encryption (SIP TLS, sRTP)
GUI warnings for potentially unsafe setup
Intrusion detection and blocking
Password strength indicator
Secure password auto-generation
Secure password indication
Time-based restrictions
Weak password report

Call Center Features:
Agent log in / log out
Barge
Call monitoring
Call queues
Call recording
Caller Name Lookup
CDR (Call Details Record)
Click-to-call
Presence (agent status)
Reporting
Time-based routing
Visual IVR
Visual switchboard
Visual queues
Whisper to agent
Unied Communications:
Audio conferencing
Call recordings access
Corporate phone book
Fax-to-email
Fax from web
Instant messaging / chat
One number reach
Mobile phone integration
Multiple devices per user
Switchboard
Personal call log
Personal extension settings
Personal IVR
Voicemail to e-mail
Visual voicemail
User portal: access to
voicemail, fax, and recordings