[arm-allstar] Best Codecs for Portable Nodes

[David McGough]

Frank,

The CODECs, as listed in the [general] stanza are for outbound 
connections from you node.

And, CODECs in the other stanza (such as [radio]) are for inbound 
connections from other nodes, to your node.



73 David KB4FXC


On Mon, 12 Mar 2018, "Frank McKibben via arm-allstar" wrote:

> Re: etc/asterisk/iax.conf
> 
> I have previously reads ome information regarding codec usage in AllStar and
> wish to confirm the editing of the iax.conf file.
> 
> I  wish to reduce the data usage on my portable node.  From previous
> conversations with members of this group I understand that the ilbc codec is
> much more efficient than the default  g726aa12 codec and using it has little
> impact on voice quality while substantially cutting the data usage.   
> 
> Is implementing it is simply a matter of  rearranging the order that the
> ilbc codec is listed in within the file?
> 
> For example:
> under the [ general ] heading  I changed the order
> From:
> disallow=all
> 
> allow=g726aal2
> 
> allow=ilbc
> allow=ulaw
> 
> allow=gsm                    
> jitterbuffer=yes
> 
> 
> TO: 
> disallow=all
> 
> allow=ilbc
> allow=g726aal2
> 
> allow=ulaw
> 
> allow=gsm                    
> jitterbuffer=yes  
> 
> My confusion is that, these codecs appear several times in this file under
> different headings and I am uncertain if I should be editing the order in
> all references to them or just certain headings.  Could you comment on the
> purpose of the different headings and what they control   General,
> radio-proxy, radio etc.  
> 
> Thank you I really appreciate the knowledge you all share in this email
> list.
> 
> Frank Mckibben, N0AFO
> 
> 
> 
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