OXE Release upgrade without downtime

[HUSSAINQCS]

Hi Team,


I have hotel customer I upgrading OXE from R11.1 to R12 & I have already upgraded my standby OXE with R12 also i restored the net admin to standby OXE Now i have to restore the backup of main OXE to standby OXE also need to do upgrade main OXE to R12 & vice-versa

I having 4645 only in main OXE and not the standby

Can anybody give some clue to achieve this without downtime ?

[HUSSAINQCS]

If there is downtime for 4645 no issues but phones and other services should not stopped.

[oldboy]

Cannot be done, as new binaries for the boards, these will reset so UA and Z cards and also NPRA (or T1) depending on ISDN type

[cavagnaro]

I have seem sometimes our engineers to take new boards with binaries already loaded. This reduces the time.
Also sometimes they even take another pbx and put basic emergency services that can't go out and put in parallel to the actual pbx. Then they return after all upgrade have been done.


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