DStar 101, or How do I do that in DStar?


DTMF command code sequence


By reading this article you are agreeing that you have read the Disclaimer page.



DTMF Dual-tone multi-frequency signaling

Is used on the DSTAR network to quickly and simply switch a repeater or hotspot from one reflector to another or to enquire the status.

The table below is a quick reference how to use DTMF on the  DCS, XRF, and REF reflectors.

For those using the latest CCS call routing system, remember that to disconnect it's DTMF "A". Otherwise you will stay linked, and will follow your contact around the system.

My thanks to Johnston Dixon GI0BFO for putting this together.

How to use

The examples below are fairly self explanatory. However on the DCS reflectors, each of the reflectors has up to 26 nodes or groups A -Z.
DTMF can only handle letters A -D, hence once you get to DCS001E the DTMF becomes D105, F becomes D106 etc.

NB dependent upon which software your repeater and or simplex gateway is running, you may have to unlink if you wish to switch to another node on the same reflector.
IE if you wish to change from DCS005B to DCS005Q you would first have to unlink, then link. If changing from DCS001B to DCS005Q (ie different reflectors) there is no need to unlink.
This is not cast in stone, as mentioned it is dependent upon which version of the linking software your node is running.
You will simply have to experiment.

Common DTMF commands

Disconnect = #

Status = 0

Disconnect CCS call routing = A

Reconnect to default connection = **


DCS Reflectors

DCS001A = D1A = D101

1D = D1D = D104

DCS005A = D5A = D501

5B = D502

6Q = D617

X Reflectors

X-Net XRF 10B = B10B

X-Net XRF 21B = B21B



DPlus-Net

REF 006 C = *6C

REF 005 A = *5A


A = 1

B = 2

C = 3

D = 4

E = 5

F = 6

G = 7

H = 8

I = 9

J = 10

K = 11

L = 12

M = 13

N = 14

O = 15

P = 16

Q = 17

R = 18

S = 19

T = 20

U = 21

V = 22

W = 23

X = 24

Y = 25

Z = 26