We use PC routers that give us more CPU power for the routing and normally our routers run at 35% CPU usage. Yes that is for a dual core > 2Ghz CPU
We do find the CPU power is very important.
We also find that a stable link is very important.
We also found that on smaller cpu's the CPU power is not enough to handle the VOIP. Thus the more spare power the better the VOIP.
We normally ping an ip with 56 bytes at 40mS and that will show us the stability of VOIP.
The biggest problem is latency. We have one area where something is creating latency.
On this link we get an easy 20 M up and 20 M down but the moment there is latency we have problems.
We simply do not have the means to get this problem solved.
We had several consultants attending to it with out any success.
The problem we find is that once there is a volume of traffic then the normal cpu's are to limited to handle the packets and then we get packet drops and and and.
Anybody that can help us on one router we will appreciate it.
Other than this all is working very well and voip is very good.
We have a 99.3% success with our VOIP.
Simply give me your number and I can dial you an a link of +/- 70Km and you can see it is very good.
This we have achieved without any QOS prioritizing ...
Simply the PC routers does the trick and the spare power is very good.
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