Set up two-way SMS messaging for a phone pool in AWS End User Messaging SMS

Use the AWS End User Messaging SMS console or AWS CLI to enable two way SMS for your phone pool.

Two-way SMS messaging (Console)

To enable two-way SMS using the AWS End User Messaging SMS console, follow these steps:

Enable two-way SMS

1. Open the AWS End User Messaging SMS console at https://console.aws.amazon.com/sms-voice/.

2. In the navigation pane, under Configurations, choose Phone pools.

3. On the Phone pools page, choose a phone pool.

4. On the Two-way SMS tab, choose Edit settings.

5. On the Edit settings page turn on Enable two-way message.

6. For Destination type, choose either Amazon SNS or Amazon Connect.

   • For Amazon SNS choose either New Amazon SNS topic or Existing Amazon SNS topic and then for Two-way channel role, choose either Choose existing IAM role or Use Amazon SNS topic policies.

     • New Amazon SNS topic – If you choose this option, AWS End User Messaging SMS creates a topic in your account. The topic is automatically created with all of the required permissions. For more information on Amazon SNS topics see Configuring Amazon SNS in the Amazon SNS developer guide.

     • Existing Amazon SNS topic – If you choose this option, you must choose an existing Amazon SNS topic from the Incoming messages destination dropdown.

     • For Two-way channel role, choose either:

       • Choose existing IAM role – Choose an existing IAM policy to apply to the Amazon SNS topic. For example Amazon SNS policies see IAM policies for Amazon SNS topics.

       • Use Amazon SNS topic policies – The Amazon SNS topic requires the appropriate Amazon SNS topic policy to grant access to AWS End User Messaging SMS. For example Amazon SNS policies, see Topic policies for Amazon SNS topics.

   • For Amazon Connect in Two-way channel role, choose Choose existing IAM roles.

     • In the Existing IAM roles drop down choose an existing IAM role as the message destination. For example IAM policies, see IAM policies for Amazon Connect .

7. Choose Save changes.

Two-way SMS messaging (AWS CLI)

You can use the update-pool command to enable two-way SMS.

At the command line, enter the following command:

$ aws pinpoint-sms-voice-v2 update-pool \
> --pool-id poolid \
> --two-way-channel-arn TwoWayARN \
> --two-way-channel-role TwoChannelWayRole

In the preceding command, make the following changes:

• Replace poolid with the PhonePoolID or Amazon Resource Name (ARN) of the phone number.

• Replace TwoWayARN with the Amazon Resource Name (ARN) to receive the incoming SMS messages. For example Amazon SNS policies, see Topic policies for Amazon SNS topics. To set Amazon Connect as the inbound destination set TwoWayARN to connect.region.amazonaws.com. Replace region with the AWS Region the Amazon Connect instance is hosted in.

• Replace TwoChannelWayRole with the Amazon Resource Name (ARN) of the IAM role to use. For example SNS permission policies, see IAM policies for Amazon SNS topics and for example Amazon Connect policies, see IAM policies for Amazon Connect. This parameter is only required if you choose to use IAM permission policies.