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The behaviour of talkgroup activation was not logical when using a
RepeaterLogic with OPEN_SQL_FLANK=CLOSE. The selected talkgroup would be
announced before the PTT was released and the next reception (the second
one) was filtered out by the MUTE_FIRST_TX_LOC=1 feature which made it a
bit confusing to understand when audio actually started to be sent to
the reflector.

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SvxLink is a project that develops software targeting the ham radio community. It started out as an EchoLink application for Linux back in 2003 but has now evolved to be something much more advanced.

The SvxLink Server is a general purpose voice services system, which when connected to a transceiver, can act as both an advanced repeater system and can also operate on a simplex channel. One could call it a radio operating system.

SvxLink is very extensible and modular. Voice services are implemented as modules which are isolated from each other. Modules can be implemented in either C++ or TCL. Examples of modules are:

  • Help  — A help system

  • Parrot  — Play back everything that is received

  • EchoLink  — Connect to other EchoLink stations

  • DtmfRepeater  — Repeater received DTMF digits

  • TclVoiceMail  — Send voice mail to other local users

  • PropagationMonitor — Announce propagation warnings from

  • SelCall  — Send selective calling sequences by entering DTMF codes

  • MetarInformation  — Play airport weather information

  • Frn  — Connect to Free Radio Network (FRN) servers


Qtel, the Qt EchoLink client, is a graphical application used to access the EchoLink network.


These are some of the resources connected to SvxLink: