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

Digital Subscribers

Telesis Systems Offering Digital Subscribers

  • Telesis Business Phone Systems:
    • PX24M Hybrid IP PBX Business Phone System 
    • PX24X Hybrid IP PBX Business Phone System
  • Telesis Switching Systems:
    • X1 Large Capacity TDM - IP Telephony Switch

Technical Specifications

Telesis digital sets connect to 4B+D ISDN interfaces (digital subscriber interfaces) in Telesis systems. Each Telesis digital set is operated and powered by a single pair of wires.

Telesis digital sets offer many advanced services. Some of these are: 

  • recording 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
  • deflecting calls
  • activating call back
  • holding calls on
  • retrieving calls
  • transferring calls
  • tracing transferred calls  
  • activating conference

Telesis systems have single pair digital interfaces


Digital subscriber interfaces offering many advanced services


Copyright Telesis A.S. 2006-2013
STB Design Services