Blacklist
Caller ID
Call Back
Call Detial Records (CDR)
Call Pickup (Group Pickup & Directed Pickup)
Call Parking
Call Queues
Call Recording
Call Routing
Call Transfer (Blind Transfer & Attend Transfer)
Call Waiting
Conference
Do Not Disturb (DND)
Follow me
Interactive Voice Response (IVR)
Intercom/Paging
Music on Hold (MoH)
Ring Group
Skypy Integration (Skype for SIP)
Voice Mail to Email
Advance Features
Call Recording
Direct Inward System Access (DISA)
Dual-OS Redundancy
External Storeage Supported
IP Restriction
Personal Web Portal
Storage Quota Privilege
Tcpdump diagnostic tool
Auto Provisioning
Customized Dialplan
Audio Codec
G711(A/μ), G.722,G726,G729,GSM,Speex,ADPCM
Video Codec
H261, H263,H263P,H264
Network Features
DHCP Server / Client Yes
DDNS Yes
Static IP Yes
VLAN (802.1Q) Yes
VPN Yes (PPTP)