Manual

Chapter 1 ICM-to-ICM Gateway Overview
ICM-to-ICM Gateway Requirements
1-10
ICM-to-ICM Gateway User Guide for Cisco ICM Enterprise & Hosted Editions Release 7.0(0)
For a more complete discussion of ICM Fault Tolerance, refer to the ICM
Administration Guide for Cisco ICM Enterprise Edition.
ICM-to-ICM Gateway Requirements
The following are system requirements for ICM-to-ICM Gateway.
Both Client ICM and Server ICM require ICM software version 4.5.1 or later.
If two connected ICMs are running different versions of ICM software, only
the ICM-to-ICM Gateway features supported by the lowest numbered version
are available.
An ICM communication network configuration that can support ICM-to-ICM
Gateway. The Signaling Access Network (SAN) is strongly recommended,
with the private network as an alternate if a SAN does not exist.