# SMS Trunks

SMS trunks enable users to send and receive text messages sent to their local, national and mobile SMS-enabled DIDs.
Users can easily create, configure and monitor the SMS trunks through the DIDWW User Panel.

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**SMS to Email Trunk**

Forward incoming SMS messages to a specified email address with customizable subject and body fields.

[SMS to Email Trunk](create-sms-to-email-trunk.html)

**HTTP IN Trunk**

Forward inbound SMS to an HTTP endpoint with customizable methods, headers, and parameters.

[HTTP IN Trunk](create-sms-http-trunk-in.html)

**HTTP OUT Trunk**

Set up outbound SMS delivery to HTTP endpoints with configurable sender IDs and secure access controls.

[HTTP OUT Trunks](create-sms-http-trunk-out.html)

**SMPP ESME Trunk**

Set up SMPP ESME trunks for enterprise SMS delivery.

[SMPP ESME Trunk](create-smpp-esme-trunk.html)

**SMPP SMSC Trunk**

Configure SMPP SMSC trunks for carrier-grade SMS connectivity.

[SMPP SMSC Trunk](create-smpp-smsc-trunk.html)

**SMS Trunk Group**

Combine multiple SMS trunks into groups for redundancy and load balancing.

[SMS Trunk Groups](trunk-group.html)

**Assign an SMS trunk**

Assign SMS trunks to one or multiple DIDs to enable inbound message routing.

[Assign an SMS trunk](../../phone-numbers/my-numbers/how-to-guides/assign-sms-trunk.html#assigning-sms-trunk)

**Technical Specifications**

Review detailed SMS trunk specifications, protocols, and supported features.

[Technical Specifications](technical-specifications.html)