You can do this with late negotiation I would guess.... Would probably require some dialplan magic



On 6/13/13 12:01 PM, "Alex Lake" <alex@digitalmail.com> wrote:

  
Good point. It would be great if I could have (say) up to 30 G729 sessions, and beyond that it "failed over" to G711.
 
 

 
If you are running a high traffic system, be careful and check CPU utilization, as another 50 transcoding sessions might put you into dangerous territory.  Digium or Sangoma are you friends in that case.  Their boards take a lot of load off a high traffic system. What I don't know is if both technologies can coexist in one system (120 transcoding sessions from a Digium board + XX soft licenses)  how would it decide which to use first?
 
 
 
Guillermo
 
 

 
 
On Thu, Jun 13, 2013 at 11:04 AM, Alex Lake <alex@digitalmail.com> wrote:
 
Well, I will be able to now. ;-)
 It just seems that it might be more sensible, when out of licenses, to
 at least offer the prospect of a call using an alternative codec.
 Sometimes it's hard to predict how many licenses are required.
 
 
> Why can't you detect that now? You should be able to detect that you are at
 > or near the upper limit in the dialplan via API in a chan var and go from
 > there... If you are constantly running out of licenses you probably don't
 > have enough
 >
 >
 > On 6/13/13 5:27 AM, "Alex Lake" <alex@digitalmail.com> wrote:
 >
 >> Thanks
 >>> If the channel picks G729 then finds there's no license available when
 >>> (if) it goes to transcode the call will fail and hang up.
 >>>
 >> That's a shame. I wonder what ways around that might be. Presumably one
 >> can work out how many are in use, and if it's at or near the max, one
 >> could possibly dynamically change the config and reload the appropriate
 >> bit (presumably a reloadxml wouldn't be the right bit).
 >>
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