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Yes, sending calls to phones with extensions is supported. You would need to pass TeleSign web services the ex...
You can use the options available in the SDK for your product. If you are using the REST API directly, there a...
Yes, we recommend your message to be up to a maximum of 28 seconds in duration. If the message is longer, you ...
TeleSign supports 86 localized languages through Voice Verify. For a complete list of all supported languages...
You may have as many custom voice messages as you wish. Below are some requirements: - Desired Format: wav f...
Yes. TeleSign can deliver voice messages to over 200 countries and territories around the world.