Local Survivability use cases Critical needs for core telephony during loss of connection to the cloud Healthcare Retail Education Calls between departments 
 Call to Support Services to Essential to call out to e.g nurses station to radiology with shopper credit card Emergency services or lab for results information to receive payments Inbound calling to main number if PSTN connectivity is setup ©© 22002211 ZZoooom m VViiddeeoo CCoommummunniicacattiioonns,s, IInnc.c. 27