Jim Canfield wrote:
> I've been considering replacing a PRI with SIP or IAX trunks.  The 
> monthly cost difference is marginal, but it would save a bit on the 
> hardware side and soft trunks would be easier to manage. I can't help 
> but wonder what I would be giving up?  I'd like to hear some "lessons 
> learned" from those who are doing it or decided, for whatever reason, 
> it's a bad idea.


If your provider will be providing the SIP trunks then it might be OK. 
Otherwise I would stick with PRI.

My lessons learned are that you cannot control the public internet and 
traffic shaping and QoS are not useful most of the time.  I would only 
consider a point to point if this your phone system is mission critical.

Explain a little more on who would replace your service and over what 
facilities.  Surely, you are not going to get IAX service from your 
internet provider.

Thanks,
Steve Totaro


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