Sender ID display name rules in AWS End User Messaging SMS
The following table explains 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.
If the recipient is located... |
And your SMS message... |
The message is sent from... |
|---|---|---|
In a country or region where Sender ID registration is required |
Specifies a Sender ID that has been registered |
The Sender ID. |
Doesn't specify a Sender ID, or specifies an unregistered sender ID |
AWS End User Messaging SMS attempts to deliver the message with the Sender ID NOTICE. The message might not be received by the recipient based on the carrier requirements in the destination country or region. |
|
In a country or region where Sender IDs are supported but Sender ID registration isn't required |
Specifies a Sender ID |
The Sender ID. |
Doesn't specify a Sender ID, but the account includes a dedicated phone number for the SMS channel in the destination country |
The dedicated phone number. |
|
Doesn't specify a Sender ID, and the account doesn't include a dedicated phone number for the SMS channel in the destination country |
|
|
In a country or region where Sender IDs aren't supported |
Specifies a Sender ID |
Varies depending on the destination country. In some countries, your message is sent using a random long code. In other countries, your message is sent using a shared short code. In the United States, you can only send messages using dedicated phone numbers. If you don't have a dedicated US phone number, your message isn't delivered. |
Doesn't specify a Sender ID |
Varies—see above. |
