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AT Commands Reference Manual - wireless netcontrol GmbH

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Call Control<br />

+MVC, Motorola Vocoders Configuration<br />

This <strong>AT</strong> command is used to choose and configure the priority order of the supported voice<br />

codecs (vocoders).<br />

The phone will not need to restart after setting parameters.<br />

Command<br />

Type Syntax Response/Action Remarks<br />

Set<br />

<strong>AT</strong>+MVC=[,[,<<br />

p2>[,[,[,]<br />

]]]]<br />

OK<br />

or:<br />

+CME ERROR: <br />

The command will save new vocoders<br />

configuration or restore the default<br />

configuration.<br />

Read <strong>AT</strong>+MVC? +MVC:<br />

[,[,[,<br />

[,]]]]<br />

OK<br />

or:<br />

+CME ERROR: <br />

The command will read the current<br />

vocoders values.<br />

Test <strong>AT</strong>+MVC=? +MVC:<br />

(0-1),(1-5) ,(1-5) ,(1-5)<br />

,(1-5) ,(1-5) ,(1-5)<br />

OK<br />

The command shall return the list of<br />

supported<br />

,,,,,, values.<br />

The following table shows the +MVC parameters.<br />

Table 3-20: +MVC Parameters<br />

<br />

Description<br />

0 Restore default vocoder configuration.<br />

1 Set vocoders and their priority order.<br />

,,<br />

,,,<br />

1 GSM full rate speech version 1.<br />

2 GSM half rate speech version 1.<br />

3 GSM full rate speech version 2 (EFR).<br />

4 GSM full rate speech version 3 (AMR Full Rate).<br />

5 GSM half rate speech version 3 (AMR Half Rate).<br />

6 UMTS full rate speech (UMTS AMR Full Rate).<br />

Example<br />

<strong>AT</strong>+MVC=0<br />

OK<br />

<strong>AT</strong>+MVC=1,1,3,5<br />

OK<br />

<strong>AT</strong>+MVC?<br />

+MVC: 1,2,3<br />

OK<br />

<strong>AT</strong>+MVC=?<br />

+MVC: (0-1),(1-5), (1-5), (1-5), (1-5), (1-5)<br />

OK<br />

The meaning of the <strong>AT</strong>+MVC=1,1,3,5 command is:<br />

3-42 H24 - <strong>AT</strong> <strong>Commands</strong> <strong>Reference</strong> <strong>Manual</strong> April 15, 2010

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