Voip Applications - 3Com PathBuilder S200 Series Manual

VoIP Applications

VoIP Applications
Introduction
Applications
8
This section describes typical applications of VoIP and the benefits of implementing
voice over an IP network.
VoIP can be used to provide cost effective, long distance phone services over the IP
network. Figure 5 illustrates a network using VoIP to support fax and voice calls
between two branch offices in different locations.
Intranet
PB S200
Figure 5. VoIP Applications for Small Branch Offices
In Figure 6, the PathBuilder S24x, 26x, and 27x switches act as gateways to route
calls over the IP network. With this implementation, the caller only needs to call a
local number to start a long distance conversation.
PSTN
PB S200
Figure 6. VoIP Applications for Long Distance Telephone Service
Figure 7 illustrates a network supporting voice within an Intranet and voice over a
public or private frame relay network using 3Com's Voice Relay.
Intranet
PB S200
Figure 7. VoIP Applications and Voice Relay Support
PB S200
PBX
Intranet
PB S200
Frame
Relay
PB S200
Fax
PSTN
PB S200
Voice Over IP