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Kundenbefragung: Digitale Servicequalität der großen Mobilfunkanbieter

Kundenbefragung: Digitale Servicequalität der großen Mobilfunkanbieter
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Hall servicesCommunications providers communication channelService providersNetwork operators german telecomTelephone operators mobile communications providerS groupService customerService property portal customerRound percent of survey participantsService mail ordera lot userConsulting firmCustomer surveyDigital quality of serviceMobile telephone operatorsSales approachIncluded mobile phone tariffs