This Must Be a Pure Cisco Solution!
We’ve heard more than once the comment concerning integrating a solution
using one and only one vendor, and how this locks them into that vendor’s
devices.This is true of any solution, including the Nortel Networks VoIP system.
Therefore, it can be safely said that the Cisco solution is no more risky than the
Nortel Solution—they both provide VoIP capabilities.
To reap the benefits of the VoIP solution, you must run end to end Cisco
devices with compatible IOS and Catalyst firmware that supports VoIP and
MGCP.This includes the switching solution for the VLANs, and the IP phones as
www.syngress.com
Figure 10.8 The Recommended Small Site Gateway Design
1601
3524 In-Line
Power Switch
1750
Voice
Gateway
CallManager
Telco
PBX
Analog Line #1
Analog Line #2
Internet
Router
Network Printer
Server
IP Phone
IP Phone
VLAN
Routing
Voice VLAN
Data VLAN
Designing and Implementing Single Site Solutions • Chapter 10 351
well.The IP phones are powered by three different methods with varying costs
and trade-offs: