VoIP Gateway

Basher

Basher

Basher

Soldato
Joined
18 Oct 2002
Posts
9,158
Hi,

I'm very new to the VoIP infrastructure scene and am trying to get to grips with the fundaments, so ... Gateways - I seem to be getting a few conflicting descriptions so could someone (nice and simple!) explain:

  • The purpose of a Gateway device
  • Would one typically be needed per site or just in one central location to bridge to PSTN?

Many Thanks,
James
 
Ok, so in real terms what would that mean - one per site or one in a central location to route from/to PSTN? I've also seen gateways described as the bridge from the current (non IP) telephone network internally to an IP network - so that wouldn't fit with that explanation.
 
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Ok so if an employee at site A wanted to make a call to someone outside of the company (so via PSTN) would that go:

- Out of site A straight onto the PSTN
- Via the MPLS network to the main site and then out to the PSTN?

Or would it just be a case on individual configurations?

Cheers
J
 
Ok - so what would be the benefit of site A going directly onto the PSTN rather than via the central site. Surely this introduces the need for more hardware = more cost?
 
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