SvxLink - Multi Purpose Voice Services System


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Feature List

This page list the features of the SvxLink server and Qtel. It is a quick way to understand what the applications can be used for.

The SvxLink Server

These are the most important features of the SvxLink server application.
  • Can act as a repeater controller or just operate on a simplex channel
  • Plugin based system to load voice services into the SvxLink logic core
  • A sound clip based system for announcements
  • Periodic identification
  • A script based (TCL) event handling system
  • Possible to use left/right stereo channels as two mono channels
  • Roger beep
  • Trigger manual identification by pressing DTMF *
  • A simple shortcut, or macro, subsystem
  • Repeater logic specific features:
    • Multiple repeater activation modes: 1750 Hz tone burst, CTCSS, DTMF or squelch open.
    • Periodic "idle sound" when the repeater is up but no signal is being received
    • Announcements are mixed in with normal audio
    • The volume of announcements is lowered if there are other traffic
  • Possible to define multiple logic cores to connect to multiple transceivers
  • Possible to link logic cores together
  • Support for multiple receivers using a software voter
  • Remote receivers can be linked to the logic core via TCP/IP(Internet)
  • A remote transmitter can be linked to the logic core via TCP/IP (Internet)
  • Multiple squelch detectors: Vox, CTCSS, signal level and external (through serial port pin)
  • Deemphasis/preemphasis filer support
  • DTMF muting
  • Squelch tail elimination
  • CTCSS transmit, always or just when there is a signal received
  • A simple help system module
  • A parrot module that retransmit received audio
  • An EchoLink module used to connect to other EchoLink nodes
    • Idle timeout
    • A callsign lookup/connect by callsign function
    • List connected stations on demand
    • Own node id report function
    • Random connect to link, repeater or conference
    • Reconnect to last disconnected node
    • Listen only mode
  • A voice mail module
    • Record voice mail for local users
  • A DTMF repeater module that retransmits received DTMF digits.
    • Control other DTMF controlled stations on the same frequency
  • Possible to write new modules in the TCL scripting language

Qtel - The Qt EchoLink Client

These are the most important features of the Qtel application.
  • Graphical EchoLink client application
  • Use the Qt widget toolkit
  • The EchoLink station list is divided into Conferences, Links, Repeaters and Stations
  • A bookmark system
  • Support for multiple languages (English and Swedish at the moment)
  • VOX

Copyright © 2003-2008 SM0SVX / Tobias Blomberg