[asterisk-users] codec conversion

[Jeff LaCoursiere]

On Tue, 2 Feb 2010, Steve Edwards wrote:

> On Tue, 2 Feb 2010, wassim darwich wrote:
>
>> Thanks for?your reply,ill give?you my situation, iam using my asterisk box 
>> as a switch ,so my client is sending me ulaw and my voip provider?only 
>> accept g723 ,So what i have to do is to receive?g711?codec and convert them 
>> to g723 at?asterisk ,i tried this before but i saw the cpu?usage is 
>> overloaded when doing conversion ,Iam using asterisk 1.4.22 ,So what do you 
>> advice me.
>
> Get your client to switch to g723 or your provider to switch to ulaw. If that 
> is not possible, get more CPU resources:
>
> 1) Eliminate any unrelated processes (X, Apache, MySQL, Tetris). Make sure 
> Asterisk is running with elevated priority.
>
> 2) If your other processes (AGIs?) are written in scripting languages (Perl, 
> PHP), re-code them in compiled languages (C).
>
> 3) Use more powerful processors (faster clock, more cores, more processors).
>
> 4) Split the load across multiple hosts. This has the added advantage of not 
> putting all your eggs in one basket -- you can take a host out of service for 
> maintenance or upgrades.
>
> 5) If you are swapping, more RAM may help.
>

Don't forget the fancy Digium codec translator card thingy!

j