Overview of the Voice Solution

This chapter describes the Juniper Networks voice solution. Topics include:

• The Voice Solution in a Next-Generation Network
• Voice Solution Architecture
• Voice Solution Topology with Multiple VPGs and PGCs
• Sample Network
• Controlling Voice Flows with Gates
• H.248 Building Blocks
• Using Virtual Interfaces with the Packet Gateway
• Twice NAT for VoIP Traffic
• Providing Quality of Service for VoIP Traffic
• Providing Rate-Limiting for VoIP Traffic
• Providing Security for PGCP Connections
• Setting Up a Voice Call