Equipment list

Note: Our physical topology follows the IPExpert & InternetworkExpert CCIE Voice workbook for blueprint version 3. Most vendor uses similar topology.

Routers

4x2811 (1 of them acting as the PSTN backbone)

• All routers have at least 2xPVDM2-16 which means you can run both transcoding and conferencing on the routers
• 1xNM-16ESW on Branch1
• 1xNME-CUE on Branch2
• 1xHWIC-4ESW on Branch2
• IOS 12.4T

Switches

1xCatalyst 3750G

Servers

1xUnified CallManager 7 Pub (default license)
1xUnified CallManager 7 Sub (default license)
1xPresence 7 (default license)
1xUnity Connection 7 (default license)
1xUnified Contact Centre Express 7 (demo license)