638 Chapter 16: Voice Techniques
Figure 16-11
Championship Soccer Network with Toll Bypass
Figure 16-12 illustrates the Championship Soccer network after end-to-end IP telephony has
been installed.
Figure 16-12
Championship Soccer with End-to-End IP Telephony
PSTN
R1*
Local
LAN
R2*
Local
LAN
WAN
Data
traffic
Data
traffic
Voice
traffic
Voice
traffic
Voice
traffic
Voice
traffic
Voice traffic
toll bypass
Voice traffic
toll bypass
* Router carries voice traffic
PSTN
R1
R2
WAN
IP
CallManager
CallManager
IP
IP
IP
IP
IP
IP
IP
Voice & data traffic
Convergence of voice and data
infrastructure replace PBX
87200333.book Page 638 Wednesday, August 22, 2001 1:41 PM