Product Description

Specifications: Features (1)Powerful service capability (2)Perfect integrated equipment access capability (3)Powerful network inter-networking capability (4)Perfect scalability (5)Perfect manageability and operability (6)High reliability, Security Service functions (1)Basic voice service (2)VOP voice service (3)Supplementary services (4)Conference service SIP Proxy (1)Powerful proxy server (2)Call-based MD5 authentication (3)NAT traversal for clients PBX Features (1)Support call hold, call waiting, Conference (2)Built-in in-line call transfer (3)Unconditional, unavailable, busy call forward (4)Per-calling-number forward and rejection (5)Auto-attendant (6)Voice mail system (Pending) (7)Support SIP trunks (8)ITSPs account sharing for extensions (9)Music on hold (*0)Direct line Maximum Capacity (1)Up to *0 extension registrations (2)Up to *0 FXO registrations (3)Up to *0 Sip Trunk registrations (4)Up to *0 concurrent calls with RTP.