PX24U: Small Capacity Hybrid IP PBX

PX24U Hybrid IP PBX Business Phone System in Brief

The PX24U Hybrid IP PBX is the smallest capacity system in the PX24 family. It is an ideal Business Phone System for small enterprises and businesses, wishing to migrate to IP PBX systems with keeping the traditional TDM interfaces.

The PX24U Hybrid IP PBX System. All-in-one for small business.

Various local and remote users of the PX24U, which can be IP or TDM.

Standard and Optional Features

Standard Hardware and Software Features

Each PX24U Hybrid IP PBX Business Phone System comes with the following Standard hardware and software features:

• Xymphony operating firmware
• 4 analog DC loop trunks (i.e., CO trunks or FXO ports)
• 4 digital subscriber ports
• 12 analog subscribers (FXS ports)
• Caller ID encoders (transmitters)
• Caller ID decoders (receivers)
• 12 or 16 kHz charge pulse detectors for analog DC loop trunks
• Polarity reversal detection on analog DC loop trunks 
• DTMF transceivers
• Conference hardware
• Integrated CMDR (call records) buffer
• Integrated DVR (digital voice recorder) with 100 hours capacity
• 4 playing and 4 recording channels for the DVR
• Personal conversation recording capability
• Integrated Voice Mail (VMail)
• Integrated Automatic Call Distributor
• Integrated Signaling / Protocol Analyzer
• Integrated Web server (in various languages like Czech, English, French, Georgian, Hungarian, Polish, and Turkish)
• Integrated API server for unlimited number of Clients
• Integrated H.323 gatekeeper for 160 H.323 VoIP users
• Integrated SIP registrar for 160 SIP VoIP users
• Integrated Telesis xSIP (eXtended SIP) registrar for numerous xSIP VoIP users
• Integrated FTP client to upload automatic conversation records to an FTP server
• Data link for adjunct call processing servers
• XDP (Xymphony Discovery Protocol) support
• AC-DC power converter
• Integrated 48 VDC Battery charger
• Installation accessories
• Hundreds of supplementary services for analog, digital and VoIP users

Optional Hardware and Software Features

PX24U Hybrid IP PBX Business Phone System owners may also benefit the following Optional hardware and software features:

• 19inch rack-adapters to install the PX24U into industry standard 19inch racks
• Telesis digital sets, which can connect to the digital subscriber ports over a single pair of wires
• Telesis xSIP VoIP phones
• Telesis xSIP VoIP softphones 
• Licenses for IP-to-TDM and TDM-to-IP gateway channels, which allow call routing between TDM and IP (SIP, H.323) users
• Licenses for xSIP VoIP phone users 
• License for AES-256 encryption for VoIP calls
• Licenses to expand playing and recording channels in the integrated DVR
• Licenses for automatic voice (conversation) recording on pre-selected TDM ports or H.323 entities or SIP entities
• License for PMS (property management system) data link 

XCom (Xymphony Companion), which is a Xymphony-API client software developed by Telesis A.S., is an advanced screen-based telephone dialer and console with numerous features to integrate the computer and the PX24U Hybrid IP PBX System for telephony.

System Phones, System and User Services

DTS821 is an executive digital telephone set for the PX24U IP PBX for the comfort of the user. The DTS821 has easy-to-use access menu keys and numerous dedicated keys for various telephony tasks and personnel settings. It has a large backlighted graphic LCD. DTS821 is connected and powered by a single pair of wires. The set handles multiple calls simultaneously, such as receiving a new call while keeping another on hold. Remarkable features are:

• easy-recording (single key press) the conversation bi-directionally (both calling and called party voices)
• access to missed calls list
• access to dialed numbers list
• access to incoming calls list . access to directory
• playing, deleting voice messages and recorded conversations
• setting volume
• setting ringer volume
• selecting ringer melody
• programming function keys
• programming quick access keys
• setting call forward unconditional
• setting call forward busy
• setting call forward no-reply
• setting hotline
• activating call waiting
• activating do not disturb
• activating wake-up (reminder) service
• observing firmware version
• deflecting calls
• activating call back
• holding calls on
• retrieving calls
• transferring calls
• tracing transferred calls (up to 4 calls)  
• activating conference

DTS821 Digital Phone in gray color

Two other digital telephones are DTS821S and DTS200S. DTS821S is the digital telephone set offering advanced telephony tasks similar to these of the DTS821 executive set. Users without need of many quick access keys may choose the DTS821S and get the benefits of the Telesis PX24U Hybrid IP PBX Business Phone Systems. DTS200S is a good match for economy and utility. DTS200S offers the comfort of digital voice quality as well as numerous value added services like one-key-touch personal conversation recording.

DTS821S Digital Phone in white color

DTS200S Digital Phone in white color

The Telesis PX24U Hybrid IP PBX Business Phone System provides hundreds system features, system parameters, and user services. If it is desired, these may be activated or deactivated. With these programmable features and services, the PX24U IP PBX make traffic management highly efficient and versatile.  The convenience of dealing with all-in-one system software Xymphony allows the user to support as many features as desired, up to the maximum capacity.  Another aspect of the PX24U IP PBX system`s software is an advanced algorithm for creating routing tables.

Many of the user services are applicable for SIP calls with using the basic SIP supplementary services such as Invite (call hold), call forward and call transfer (with refer method). Similarly, these are also applicable for H.323 calls with using the basic H.450 supplementary services.

Furthermore, Telesis proprietary xSIP (eXtended SIP) protocol allows value added services of the DTS821 digital telephone sets also to be functional over IP.

ITS821 IP Phone and XPhone IP Softphone (PC edition) have easy-to-use access menu keys and numerous dedicated keys for various telephony tasks within the PX24U Hybrid IP PBX System. 

XPhone IP Softphone (Mobile edition) for Pocket PC Phone and Smartphone.

For ensuring the easy and fast programming of the PX24U IP PBX, each programmable parameter is set to a default value. The standard default values are carefully selected and optimized for a wide range of customers` requirements. Thus, the flexibility does not bring a complexity.

19inch rack adapters allow PX24U Hybrid IP PBX Systems to be mounted into industry-standard racks.

Technical Specifications

Related Readings

The following is a list of related readings from Telesis Technical Documentation. For further readings, see the Technical Documentation section.