Sender IDs in AWS End User Messaging SMS

A sender ID is an alphanumeric name that identifies the sender of an SMS message. When you send an SMS message using a sender ID, and the recipient is in an area where sender ID authentication is supported, your sender ID appears on the recipient's device instead of a phone number. A sender ID provides SMS recipients with more information about the sender than a phone number or short code provides. For example, a fictitious company Example Corp could use the sender ID EXAMPLECO

Sender IDs are supported in many countries and regions around the world. In some places, if you're a business that sends SMS messages to individual customers, you must use a sender ID that's pre-registered with a regulatory agency or industry group. For a complete list of countries and regions that support or require sender IDs, see SMS and MMS country capabilities and limitations.

Advantages

Sender IDs provide the recipient with more information about the message sender. It's easier to establish your brand identity by using a sender ID than by using a short or long code. There's no additional charge for using a sender ID.

Disadvantages

Support and requirements for sender ID authentication aren't consistent across all countries or regions. Several major markets (including Canada, China, and the United States) don't support sender ID. In some areas, you must have your sender IDs pre-approved by a regulatory agency before you can use them.

Sender ID country capabilities and limitations in AWS End User Messaging SMS

For more information on which countries support sender IDs see the Supports Sender IDs column in Supported countries and regions for SMS messaging with AWS End User Messaging SMS.

For the rules of which sender ID is displayed when you send SMS messages to countries where sender IDs are supported, compared to those where Sender IDs aren't supported, see Sender ID display name rules.

What are registered and dynamic sender IDs in AWS End User Messaging SMS

Registered sender ID – A registered sender ID is registered with a regulatory agency or industry group. For a complete list of countries and regions that support or require sender IDs, see Supported countries and regions for SMS messaging with AWS End User Messaging SMS.

Dynamic sender ID – A dynamic sender ID does not have to be registered with a regulatory agency or industry group. Registration requirements can change quickly and it is recommended that you complete any optional registration for dynamic sender IDs. For a complete list of countries and regions that support or optionally have sender ID registration, see Supported countries and regions for SMS messaging with AWS End User Messaging SMS.

Considerations for a sender ID

When you are creating a Sender ID you should consider the following: