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Chapter 1 Introducing Voice Gateways
The Role of Gateways
Traditional Telephony Networks
Cisco Unified Communications Overview
Cisco Unified Communications Architecture
Cisco Unified Communications Business Benefits
Cisco Unified Communications Gateways
Comparing VoIP Signaling Protocols
Gateway Deployment Example
IP Telephony Deployment Models
Multisite WAN with Centralized Call-Processing Deployment
Multisite WAN with Distributed Call-Processing Deployment
Clustering over the IP WAN Deployment
Modern Gateway Hardware Platforms
Cisco 2900 Series Integrated Services Routers
Cisco 3900 Series Integrated Services Routers
Well-Known Older Enterprise Models
Cisco 2800 Series Integrated ...
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