Multitech CDMA User's Guide download pdf (Page 55)

Chapter 13 – - Prefix Commands

CDMA 1xEV-D0 AT Commands Reference Guide (Document S000482B) 55

-TONDUR= Tone Duration

Syntax: AT-TONDUR=<key,on,off> (Set command)

AT-TONDUR? (Query command)

Description: Sets and queries the timing, in milliseconds, for generating DTMF tones using single key

tones (-DTMFK) and bursts (-DTMFB). Settings are stored in non-volatile memory.

Parm Range Meaning

key 100–3000 Key duration for single key tones (-DTMFK)

Default = 300 ms

on On time for tones in bursts (-DTMFB)

95–144 95 ms

145–194 150 ms

195–244 200 ms (Default)

245–294 250 ms

295–344 300 ms

345–350 350 ms

off Off time between tones in bursts.

60–109 60 ms

110–159 100 ms (Default)

1 60–200 150 ms

-TONMUT= Tone Mute

Syntax: AT-TONMUT=<n> (Set command)

AT-TONMUT? (Query command)

Description: Sets and queries the mute setting on the generation of DTMF tones via -DTMFK and

-DTMFB. Settings are stored in non-volatile memory.

Parm Meaning

0 DTMF mute is OFF (tones can be generated) (Default)

1 Mute is ON

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Multitech CDMA User's Guide Page 55