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Advanced Installation and Programming
Networking Mitel IP-PBXs
IP trunks allow you to interconnect multiple Mitel SX-200 ICP, SX-200 IP
Nodes and 3300 ICP systems in a Wide Area Network (WAN). The IP trunks
carry voice and signal messages through the Ethernet switch to the WAN.
The SX-200 ICP MX supports up to 30 IP trunks on a single “virtual” IP
Trunk card programmed in Bay 1, Slot 6.
Figure 20: IP Trunking Example
Notes:
1. The SX-200 ICP supports end-node functionality only, which
means it can be connected to no more than one other node in
the network.
2. This configuration requires dedicated, managed links to the
Internet and is intended for larger implementations. For smaller
implementations, cable or DSL links can be used if the IP trunks
are carried within IPSec VPN tunnels with traffic shaping
features. The Mitel 6042 Managed VPN is recommended.