Does it Cost You More & Why You Should Be Using It
WiFi calling is offered by all four major US carriers: AT&T, Sprint, T-Mobile and Verizon.
"You can make calls to domestic numbers and receive calls with NO additional charge and no impact on voice call airtime usage, with the exception of premium numbers," Calls to 411 and other premium numbers (usually any 900 number) are charged standard premium rates.
But a cheap price tag doesn’t always equate with high quality. “Trying to get the best signal for a WiFi call is challenging,” Consumers may have another gripe with WiFi calling service: there may be a 1- or 2-second delay in the conversation.
"You can Text to domestic numbers and receive Texts with NO additional charge and no impact on text airtime usage, with the exception of premium numbers," Texts to 411 and other premium numbers (usually any 900 number) are charged standard premium rates.Premium text messaging programs require additional fees or a subscription. Since premium texts and subscriptions are initiated through short codes, they always require your consent for the purchase prior to participation. Text messages sent to a short code (to a 4, 5 or 6 digit number) can be billed at a higher rate, which is known as a premium text. Short codes are widely used for services such as television voting, ordering ringtones, charity donations and mobile services. They can even subscribe a customer to a reoccurring monthly service that will be added to their mobile phone bill.