Voice vs SMS for Authentication | TeleSign

Many TeleSign customers allow their users to choose between SMS and Voice for authentication, creating the best user experience for those users who don’t have an SMS-enabled phone or simply prefer to receive one type of transaction versus another.

In a recent deployed customer review, TeleSign found that 49.2% of their users chose SMS, while 50.8% chose Voice transactions. In the US, customers preferred Voice significantly to SMS, while many Latin American and European countries preferred SMS.

Providing options to consumers is another important element and often overlooked element of Two-Factor Authentication. Creating the best user experience for users should be top of mind when implementing a solution.

TeleSign’s Client Services Team is available to help your organization through that discussion and provide guidance on how best to rollout and introduce the service to your users. Contact the Client Services Team at support@telesign.com for additional information.

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