Information Technology Reference
In-Depth Information
Atlanta
CUCM
MPLS
V
San Diego
Houston
V
PSTN
V
Figure 14-8
Converged VoIP Network
Client
Endpoints
Call
Processing
Service
Applications
Auto-Attendant/IVR
IP Phones
Voice/Unified Messaging
Cisco CallManager
DSP Farm
Call/Contact Center
Gateway
Voice Enabled Infrastructure
QoS Enabled L2 Switch
QoS Enabled L3 Switch
Router
Figure 14-9
Cisco IPT Functional Areas
Client endpoints include the IP phones, analog and digital gateways, digital signal proces-
sor (DSP) farms, and software applications. Included here is Cisco's IP Communicator,
which is the software-based IP phone that runs on a PC or laptop. Gateways are transi-
tional devices that bridge two different systems and connection types. They can provide
