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Is it possible to block incoming calls based upon the *calling* number? The calls that I want to block are coming from the PSTN over a PRI that terminates on a 3725 router. I'm running Call Manager 4.0. Basically, I have a situaton where one of our employees is being harassed and we'd like to...

I think that at this point you'd have to figure out if you're comparing Cadillacs to Chevrolets.

I agree that putting the voice T1s on a separate box might be better in some instances, but: 1) Tell that to the bean counters where I work. Part of the sales pitch for Cisco VoIP is the convergence of voice and data as a means to save money. I know that the VG200 chassis is pretty cheap, but...

Actually, Cisco VOIP *ARE* vulnerable to viruses and worms. Two weeks ago we had a bad outbreak of Nachi. One thing that Nachi does is to send out hundreds of ICMP echo requests a second to more-or-less random IP addresses in an effort to find more machines to infect. Several of our routers...

No, route patterns and translation patterns apply to both "inbound" and "outbound" calls. Within a partition, all route patterns and translation patterns are examined (essentially) simultaneously. The most specific match wins (i.e. the pattern that matches and has the most...

One thing to check on a Cisco IP Telephony quote is the hardware/software maintenance levels offered. Make sure that your vendor isn't trying to get the low bid by cheaping out on support, especially on the phones themselves.

Here's an example of how to do the conversion using SoX (available on most Linux distributions or can be downloaded from sox.sourceforce.net): sox -t wav in.wav -t raw -r 8000 -U -b -c 1 - resample -ql out.raw