I've been having constant problems with a T-1 PRI on MIC 4.0. I hope the upgrade will resolve the issues like dropping calls. Is there a procedure to upgrade a 4.0 to a 6.1. Will I have to reprogram the system?
Upgrading from...
MICS (all versions)
4.0, 4.1 and 5.0
Upgrade too MICS 6.1
Insert MICS CS ROM cartridge with appropriate software load.
Caution: Ensure you have a release version 2.0 NVRAM cartridge before you attempt the upgrade.
Note: The line numbering for your system will
change with this upgrade.
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