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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Hi everybody,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>I’m looking for a
solution to be able to change the codec during a session in Asterisk. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><span style='mso-tab-count:
1'> </span>UA
</span></font><font size=2 face=Wingdings><span lang=EN-US style='font-size:
10.0pt;font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;mso-ansi-language:EN-US;mso-char-type:symbol;
mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:
Wingdings'>ç</span></span></font><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-US'>========</span></font><font
size=2 face=Wingdings><span lang=EN-US style='font-size:10.0pt;font-family:
Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial;mso-ansi-language:EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>è</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'> * </span></font><font size=2 face=Wingdings><span
lang=EN-US style='font-size:10.0pt;font-family:Wingdings;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:
EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>ç</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'>========</span></font><font size=2 face=Wingdings><span
lang=EN-US style='font-size:10.0pt;font-family:Wingdings;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:
EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>è</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'> UA<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><span style='mso-tab-count:
2'> </span><span
class=SpellE><span class=GramE>ulaw</span></span><span style='mso-tab-count:
1'> </span><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span><span class=SpellE>ulaw</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-US'>after</span></font></span><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'> codec change it should look like this for example:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><span style='mso-tab-count:
1'> </span>UA
</span></font><font size=2 face=Wingdings><span lang=EN-US style='font-size:
10.0pt;font-family:Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial;mso-ansi-language:EN-US;mso-char-type:symbol;
mso-symbol-font-family:Wingdings'><span style='mso-char-type:symbol;mso-symbol-font-family:
Wingdings'>ç</span></span></font><font size=2 face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-US'>========</span></font><font
size=2 face=Wingdings><span lang=EN-US style='font-size:10.0pt;font-family:
Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial;mso-ansi-language:EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>è</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'> * </span></font><font size=2 face=Wingdings><span
lang=EN-US style='font-size:10.0pt;font-family:Wingdings;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:
EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>ç</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'>========</span></font><font size=2 face=Wingdings><span
lang=EN-US style='font-size:10.0pt;font-family:Wingdings;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:
EN-US;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>è</span></span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'> UA<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><span style='mso-tab-count:
2'> </span><span
class=SpellE><span class=GramE>ulaw</span></span><span style='mso-tab-count:
1'> </span><span style='mso-tab-count:1'> </span><span
style='mso-spacerun:yes'> </span>GSM<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>By using X-<span
class=SpellE>Lite</span> it is possible to change the codec. <span class=GramE>But
how to change from Asterisk?</span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>I’m able to change the <span
class=SpellE>payloadtype</span> by changing the <span class=SpellE>rtp</span>
header.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>But I’m not able to
change the payload itself. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Can anybody tell me how to
force asterisk to change the codec and <span class=SpellE>transcode</span> the
payload?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>I didn’t find any doc
about <span class=SpellE>transcoding</span>. It seems to me nobody is working
on a possibility<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-US'>To increase <span
class=SpellE>QoS</span> by changing codec if bandwidth is to low.</span></font></span><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Any hint will be helpful.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Best regards <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Denis Marusic<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=SpellE><font size=2 face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-US'>Denis@marusic-online.de</span></font></span><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-US'><o:p></o:p></span></font></p>
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