[asterisk-users] Calls in ulaw, not gsm as desired

[Jerry Jones]

A simple glance at their website will tell you this about the 501

" G.711 μ/A and G.729A (Annex B) configuration "



On May 2, 2007, at 12:22 PM, Jaswinder Singh wrote:

> Try ilbc if the phone supports (free) or g729  ( better but your  
> asterisk will need license if you want to transcode calls from g729  
> to other codecs or want to record calls ) .  Also check your phones  
> config if its support multiple codecs . .
>
> On 02/05/07, Rob Schall <rschall at callone.net> wrote:
> So I reloaded things and had just gsm set for 2 of my polycom 501  
> phones. However, the logs say "No codec found", which leads me to  
> believe that polycom 501 phones can't use gsm. Does anyone have  
> something like this working? If not gsm, is there a better option  
> with these phones over a low bandwidth situation?
>