> For the complete documentation index, see [llms.txt](https://docs.mercuri.cx/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mercuri.cx/communication-channels/sms-integration.md).

# SMS Integration

#### Importance of SMS in Business Communication <a href="#importance-of-sms-in-business-communication" id="importance-of-sms-in-business-communication"></a>

* **High Open Rates:** SMS achieves open rates over 98%, making it one of the most effective outreach methods.
* **Instant Delivery:** Real-time communication for time-sensitive alerts.
* **Direct Engagement:** Provides a personal and direct customer experience.

#### What SMS options does Mercuri CX provide? <a href="#what-sms-options-does-mercuri-cx-provide" id="what-sms-options-does-mercuri-cx-provide"></a>

* **Toll-Free Numbers (TFN):** A TFN is a phone number with a toll-free area code that allows customers to reach businesses without being charged. It is ideal for customer service and marketing campaigns.
  * **Advantages:**
    * Recognizable and trusted national format.
    * Supports two-way messaging.
    * Reduced carrier filtering for higher delivery rates.
* **10DLC (10-Digit Long Code):** A 10DLC is a standard 10-digit number registered for business use in the U.S., suitable for local customer engagement.
  * **Advantages:**
    * Affordable and suitable for large-scale SMS campaigns.
    * Allows higher messaging volumes compared to traditional long codes.
    * Complies with A2P (Application-to-Person) messaging standards, reducing blocking by carriers.
  * **Compliance Requirement:** All 10DLC numbers must be registered with carriers to avoid message filtering and ensure delivery.