PLANET 30 USER SIP BASE IP PBX WITH 4-PORT ISDN BUILT-IN, 30 user(s) IP PBX (private & packet-switched) system

> SIP features> Static/Dynamic registration> Call-based MD5 authentication> NAT traversal for clients> Outbound proxy with or without WAN> Up to 5 SIP trunks for inter-PBX SIP trunking> Inter-proxy call hand-off> Auto-config for SIP IP Phones/ ATA> 30 registration / 30 voicemail / 10 concurrent calls> Auto NAT Discovery and Traversal> Built-in STUN Client> RTP Proxy> RTP Port Range Designation> Relational Provision> Logical Partition/Relation between Users and Trunks> Logical Provision on Outgoing and Incoming Calling Search Scopes> Rich Dial-Plan Expressiveness thru Route Patterns> User Privilege Propagation Over Intra-Trunks> Object-Oriented Provisioning Paradigm> PBX Features> Support call hold, call waiting, 3-way call conference with feature phones> Built-in in-line call transfer> Unconditional, unavailable, busy call forward> Per-calling-number forward and rejection> Call Privilege Grouping> Group-based call pick-up> Call-parking> Up to 8 parties multi-room meet-me conference> FXO disconnection tone detection> In-band/RFC2833/SIP-INFO DTMF Translation> QoS support> Lifeline / Emergency call support> Music on hold> Outbound 900/0204 900/0204 FREE blocking> Blacklist of Number Patterns> Auto Attendant> Configurable IVR prompts> Key to reach operator> Work time IVR> 3-layer Auto Attendant> Timeout interval and timeout action> Music on ringing extensions> Forward to voice mail on no-answer> Voice Mail> User PIN> 450 minutes recording time> MWI notification> E-mail notification> Personal reception on unavailability and busy> Voicemail forwarding> Voicemail to email