Telesis PX24 IP PBX Business Phone System
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Design and manufacture IP PBX Business Phone System, Switching System, VoIP Gateway, and Signaling Converter  

PX24M: Small - Medium Capacity Hybrid IP PBX

PX24M Hybrid IP PBX Business Phone System in Brief

The PX24M Hybrid IP PBX is the medium capacity system in the PX24 family. It is an ideal Business Phone System for small and medium enterprises and businesses, wishing to migrate to IP PBX systems with keeping the traditional TDM interfaces.

PX24M Hybrid IP PBX Business Phone System. Front view.

The PX24M Hybrid IP PBX System. All-in-one for small and medium businesses.

PX24M Hybrid IP PBX Business Phone System and its users schema.

Various local and remote users of the PX24M, which can be IP or TDM.

Standard and Optional Features

Standard Hardware and Software Features

Each PX24M 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)
  • 2 digital subscribers
  • 8 analog subscribers (FXS ports)
  • 2 user controlled relays (for various purposes like door opening)
  • 3 expansion slots
  • One channel Telesis WebPhone
  • Caller ID encoders (transmitters)
  • Caller ID decoders (receivers)
  • DTMF transceivers
  • HDLC circuits for optional BRI ISDN card
  • 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, German, Polish, and Turkish) for management
  • SNMP (simple network management protocol) support for management 
  • Integrated API server for unlimited number of Clients
  • Xymphony TSP for Windows API
  • 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

PX24M Hybrid IP PBX Business Phone System owners may also benefit the following Optional hardware and software features:

  • Telesis digital sets, which can connect to the digital subscriber ports over a single pair of wires
  • Telesis xSIP Video phones
  • 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
  • Additional licenses for Telesis WebPhone calls 
  • 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
  • Expansion cards   

PX24M Hybrid IP PBX Business Phone System and a laptop. It is so small in size.

The Telesis PX24M is very compact and small in size.

System Phones

DTS480 is an executive digital telephone set for the PX24M. DTS480 has easy-to-use access menu keys and numerous dedicated keys for various telephony tasks and personnel settings. It has a large color LCD video display.

DTS480 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.

DTS480 Executive Digital Telephone Set image

DTS480 Digital Telephone

A few features of the DTS480 are:

  • Telesis proprietary firmware
  • Automatic firmware upgrade without service interruption
  • 4.3 inch color TFT LCD video display
  • Desktop or wall mount
  • Continuously tiltable stand for comfortable use
  • Full-duplex hands-free operation with advanced echo cancellation
  • Menu-driven easy operation
  • External microphone and headphone jacks
  • 64 keys in total
  • Navigation keys
  • Backlighted 30 keys for quick access (120 quick access with using the Shift key)
  • Busy Display Panel
  • Call park keys
  • Programmable function keys
  • Transfer, Flash, Mute, Conference, Disconnect, Redial etc. function keys
  • Conversation (voice) record key
  • Polyphonic ringer melodies
  • Adjustable volume and ringer levels
  • Missed calls list
  • Dialed numbers list
  • Incoming calls list
  • Directory
  • Call forward unconditional, call forward busy, call forward no-reply, hotline, call waiting, do not disturb, wake-up (reminder) call deflect, call back, call hold, call retrieve,call transfer, tracing transferred calls and many other services
The PX24M provides video video telephony solutions too. Telesis VTS480 is the IP video phone with advanced features for the PX24M.

VTS480 IP Video Phone

VTS480 IP Video Phone

Some of these features are: 

  • Very fast boot up (some seconds only)
  • Telesis proprietary firmware
  • Telesis xSIP (eXtended SIP) protocol
  • Automatic firmware upgrade without service interruption
  • 4.3 inch color TFT LCD video display
  • VGA camera
  • Tiltable (up and down) camera lens direction for best capture
  • Desktop or wall mount
  • Continuously tiltable stand for comfortable use
  • Full-duplex hands-free operation with advanced echo cancellation
  • Menu-driven easy operation
  • Voice call or Video call
  • Start, stop, and restart options for Video during the call
  • Advanced NAT traversal methods for easy operation in LAN and WAN
  • Dual switched 10M/100M auto-sensing Ethernet ports
  • Auto detection of cross-over or straight-through ethernet cables
  • Optional POE
  • Inter-working with other H.264 SIP video phones or video soft phones in the same LAN
  • External microphone and headphone jacks
  • 64 keys in total
  • Navigation keys
  • Backlighted 30 keys for quick access (120 quick access with using the Shift key)
  • Call park keys
  • Programmable function keys
  • Transfer, Flash, Mute, Conference, Disconnect, Redial etc. function keys
  • Conversation (voice) record key
  • Polyphonic ringer melodies
  • Adjustable volume and ringer levels
  • Missed calls list
  • Dialed numbers list
  • Incoming calls list
  • Directory
  • Call forward unconditional, call forward busy, call forward no-reply, hotline, call waiting, do not disturb, wake-up (reminder) call deflect, call back, call hold, call retrieve,call transfer, tracing transferred calls and many other services

Click on Telesis Phones for other digital and IP telephones offered for the PX24M.

Technical Specifications

General

 

Operational software

Xymphony               

Maintenance and administration

Over IP (web and/or SNMP and/or proprietary)

Operating voltage

Both 220 VAC and 48 VDC

CPU Type

High speed DSPs             

Switching Matrix

non-blocking

Analog subscriber loop impedance

3,000 ohms

Ethernet interface

10/100 BaseT
Integrated Digital Voice Recorder (DVR) Yes
Integrated CMDR buffer Yes
Integrated Xymphony API Server Yes
Integrated Automatic Call Distributor (ACD) Yes
Integrated Voice Mail Server Yes
Integrated ETSI FSK modem Yes
Integrated Conference Server Yes
Integrated WEB Server Yes

Integrated H.323 Gatekeeper

Yes
Integrated SIP Registrar Yes
Integrated xSIP Registrar Yes
Integrated FTP Client Yes
Expansion Slots 3
   

Applications

 

PBX

Yes

Hybrid IP PBX

Yes
   

Initial Capacities (in  basic or starter kit)

 

Analog subscribers

8

Digital subscribers

2

Analog DC loop trunks

4

SIP users

160

H.323 users

160
Telesis XSIP users 1
Xymphony-API clients unlimited
Telesis WebPhone channel 1
DVR (Digital Voice Recorder) recording capacity 100 hours (6000 minutes)
DVR recording channels 4
DVR playing channels 4
DTMF transceivers unlimited

HDLC transceivers

unlimited
Caller ID transmitters unlimited
Caller ID receivers unlimited
   

Maximum Capacities (with licensing and/or adding hardware)

 

Analog subscribers

56

Digital subscribers

17

Analog DC loop trunks

28
Basic Rate ISDN  interfaces 4

SIP user agents

160

H.323 endpoints

160
Telesis xSIP users 32
VoIP-TDM gateway channels 32
Xymphony-API client unlimited
DVR (Digital Voice Recorder) recording capacity 100 hours (6000 minutes)
DVR recording channels 12
DVR playing channels 12
DTMF transceivers unlimited

HDLC transceivers

unlimited
Caller ID transmitters unlimited
Caller ID receivers unlimited
   

TDM Signaling

 

Dial-pulse dialing from analog subscribers

Yes

Dial-pulse dialing to analog trunks

Yes

DTMF dialing from analog subscribers

Yes

DTMF dialing to analog trunks

Yes

Caller ID transmission towards analog subscribers

Yes

Caller ID detection on analog trunks

Yes

ISDN (Euro ISDN, DSS1), ETSI EN 300 403

Yes

ISDN Supplementary services: 3PTY, AOC, CCBS, CCNR, CFU, CFNR, CLIP, CLIR, COLP, COLR, ECT, DDI, HOLD, MCID, MSN, UUS

Yes
   

IP Telephony

 

Interface

10/100 BaseT

H.323 protocol, Version 5

Yes
SIP Session Initiation Protocol, RFC 3261 Yes
Telesis xSIP (eXtended SIP) protocol Yes
FTP (File Transfer Protocol) Yes
Adjunct protocol Yes
XDP (Xymphony Discovery Protocol) Yes
Dynamic DNS update client service Yes
G.711 audio codec Yes
G.723.1 (5.3 and 6.4kbps) audio codec Yes
G.729, G.729AB audio codec Yes

G.711 frame length

10 to 90msec

G.723.1 frame length

30 to 90msec

G.729, G.729AB frame length

10 to 90msec

Silence Suppression (VAD)

Yes

Echo Canceler G.168-2002 

Yes
QoS (Tos and Diffserv) Yes
T.30 Fax Pass-through for SIP Yes

Programmable ports / sockets

Yes
MD5 authentication Yes
H.235 Baseline Security Profile Yes
H.235 Baseline Security Profile with integrity Yes
Digest authentication Yes

Audio (voice) encryption

AES-256 (with licensing)

Softswitch capability

Yes

IP to TDM gateway capability

Yes

TDM to IP gateway capability

Yes

H.450 supplementary services

Yes
SIP supplementary services Yes
API (Application Program Interface) Yes
Fidelio Interface Application Specification protocol Yes
Automatic conversation recording for VoIP calls Yes
Hosting Java SIP client applet Yes
   

Dimensions (without desktop standing parts)

 
Width 15 cm
Height 20 cm
Depth 23 cm
 

Related Readings

We recommend you to visit Telesis Wiki Pages for technical readings.

    
 

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