SIP trunking

On Wed, Aug 20, 2008 at 11:51, Nate Westheimer wrote:

Looks like we’re going to go with JunctionNetworks over here at the incubator. Who else did you look at though as the SIP trunk, though?

N

for SIP trunking, we use bandwidth.com and i’ve been fairly impressed with both their tech support staff and their service. the only real caveat is that you need to pay very close attention to your network, SIP endpoint to SIP endpoint (i.e. phone to PSTN) or else you’ll run into voice quality issues. the public internet cloud can get congested, and if you’re far from your SIP trunk, you can actually hear the network congestion. to combat that, we’ve put in an MPLS connection between our offices and the DC (where the SIP server resides). from there, we have a nice connection out to the SIP trunks.

again, just because you have a high-speed connection, that doesn’t mean real-time audio streams will sound good. if you’re a small office, this may not be a big deal, but if you start to run a call center, or really want to take advantage of the cost savings (i.e. at scale), this is a critical issue.

HTH,
randy

p.s. i’m happy to talk to people one-on-one offline about our experiences with a true, complete VOIP system

– Randall Noval

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