Back to Home   Technical Information on VoIP, RoIP, and D-STAR Repeater Controllers and Linking Practices
Maintained by Kevin Custer W3KKC

There are several different types of VoIP (Voice over Internet Protocol) and RoIP (Radio over Internet Protocol) linking systems for commercial and amateur radio applications.  Below are a few of the more popular systems and links to more in-depth information on them.

AllStar Link  Includes LINUX distributions like "ACID and DIAL" and "Zipper"
There's even a DIAL image for the Raspberry Pi 2.
Bridging Systems Interface - a standard protocol from DHS OIC's SAFECOM program
C4I, Inc.
Free Star*
Midland Radio
Mer Group
Mutualink  for radio / resource sovereignty and peer-to-peer
National Interop
Catalyst Communications

List of support groups and email lists:

Official app_rpt email list
ARM AllStar Yahoo Group   Group especially for the ARM processor based hardware used for AllStar Link.

List of commercially made USB radio adapters:

Repeater Builder USB RIM   by Scott Zimmerman N3XCC
DMK - URIx   Offsite Link
Masters Communications RA-35 (available in kit form)   Offsite Link
ARiUSB (available in kit form)   Offsite Link

Custom Cables:

Cables for URI's and other radio adapters   by Marshall - KE6PCV
Cables for IRLP   by Marshall - KE6PCV

USB Device Conversion articles:

SYBA UAUD71 CM119 based USB sound adapter conversion article   by Kevin Custer W3KKC
SYBA UAUD (small) CM119 based USB sound adapter conversion article   by Kevin Custer W3KKC
Not for hardware COS and CTCSS - DSP use only!
StarTech CM108 based USB sound adapter conversion article   by Kevin Custer W3KKC
Chuck Kelsey's Custom Printed Circuit Board for USB FOBs   by Kevin Custer W3KKC
Make professional looking radio interfaces using WB2EDV's custom board.
Generic CM108-based USB sound adapter conversion article   by Steve RoDgers WA6ZFT
Theory of the app_rpt application and how it's used with Asterisk   by Steve RoDgers WA6ZFT and Jim Dixon WB6NIL
C-Media CM119 Datasheet   Donated by Kevin Custer W3KKC

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This page initially created 20-November-2010 Kevin Custer W3KKC

This web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.