PLANET IPX-1800 series IP PBX system are designed and optimized for the SMB, and SOHO daily communications. The IPX-1800 is the next generation voice communication platform for the small to medium enterprise. Designed as an open, scalable, and highly reliable telephony solution, the IPX-1803 is able to accept 30 extension registrations, and effectively scales from under 30 users to as many as 50-user enterprise. Designed to run on a variety of VoIP applications, the IPX-1803 provides centralized call control, auto-attendant, voice conferencing, PSTN access, and IP-based communications. The IPX-1800 series divided into two models: the IPX-1803 integrates up to 4 telephony interfaces, including 3 FXO (Foreign eXchange Office, FXO), 1 FXS (Foreign eXchange Station, FXS); the FXS interface in IPX-1803 provides lifeline functionality; the IPX-1804 integrates 4 FXO telephony interfaces to become a feature-rich PBX system that supports seamless communications between existing PSTN calls, analog, IP phones and SIP-based endpoints.

The IP PBX integrates telephony call processing, call control, voice mail, and a widely PBX application programming interface into a highly scalable architecture designed to support both traditional circuit-based and the Internet telephony service within a distributed enterprise communications network.

With IP PBX, standard SIP phones can be easily integrated in your office; plus the auto-config feature, you may integrate our IP Phone VIP-153T / VIP-153PT, and the ATA (analog telephone adapter) series - VIP-156 / VIP-157 to build up the VoIP network deployment in minutes.

Allowing distributed IP technology to meet traditional voice services, with proactive management interface, the IP PBX in the daily business processes, enterprises can make people more productive, more intelligent tasks, and more customer satisfaction.
 

• 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 on 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
　- Supports 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 (IPX-1803)
　- Music on hold
　- Outbound 900/0204 blocking
　- Blacklist of Number Patterns

• Auto Attendant
　- Configurable IVR prompts
　- Key to reach operator
　- Timeout interval and timeout action
　- Music on ringing extensions
　- Forwards 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