Since the mobile SMS link was tested and confirmed okay by NVMCR, kindly inform Cliff Wong that it can be started from Dec 01, 2015 onwards.
For confirmation receive the message, do they need to make the test SMS for distribution list by NVMCR on tomorrow or next Monday ?
Please ask him for do the testing if necessary.
Otherwise, you can inform NVMCR to take care overnight duty from Dec 01 (Tuesday) onwards.