> For the complete documentation index, see [llms.txt](https://okpos.gitbook.io/okpos/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://okpos.gitbook.io/okpos/undefined-3/undefined/sms/undefined.md).

# 발신번호 사전등록

SMS 전송 할 발신번호를 등록합니다.

**1. ** 등록된 발신번호가 없는 경우 SMS 전송을 할 수 없으며, 확인을 눌러 발신번호 사전등록을 진행해 주세요.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2FutdFKNdAWYzF5u6i4Y2H%2F%EB%B0%9C%EC%8B%A0-%EC%A0%84%EC%B2%B4%ED%99%94%EB%A9%B4.png?alt=media&amp;token=2b2252cd-11fd-4b3e-858a-6a41466bd815" alt=""><figcaption></figcaption></figure>

**2.&#x20;**&#x20;사전등록 발신번호를 입력후 인증요청을 눌러 주세요.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2F8k9hJORwtVgeZV4BXZyU%2F%EB%B0%9C%EC%8B%A0%EB%B2%88%ED%98%B8%20%EC%82%AC%EC%A0%84%EB%93%B1%EB%A1%9D.png?alt=media&amp;token=c9617ee3-f0de-4329-b4f3-e36c2250e506" alt=""><figcaption></figcaption></figure>

**3.&#x20;**&#x20;사전등록 발신번호로 인증요청을 계속진행하시려면 확인을 눌러 주세요.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2F8zUCtnbnCl4RQo5PWSPX%2F%EC%9D%B8%EC%A6%9D%EC%9A%94%EC%B2%AD%20%ED%99%95%EC%9D%B8%EB%A9%94%EC%84%B8%EC%A7%80.png?alt=media&amp;token=0d23a9fa-a66c-4a07-83fd-9a3efb6e6023" alt=""><figcaption></figcaption></figure>

**4.&#x20;**&#x20;입력한 발신번호로 전화가 수신되며, ARS 안내에 따라 인증번호를 입력하세요.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2FsoeOhVle71pWS8UCquNB%2FARS.png?alt=media&amp;token=6c245b98-932f-4e59-985e-71039bab93ec" alt=""><figcaption></figcaption></figure>

**4.&#x20;**&#x20;발신번호 사전등록이 완료됩니다.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2F3g8BYKGcueV43sYzXY92%2F%EB%B0%9C%EC%8B%A0%EB%B2%88%ED%98%B8%20%EB%93%B1%EB%A1%9D%EC%99%84%EB%A3%8C.png?alt=media&amp;token=c22fd4a8-7053-46e4-bc3b-1c95a8cc6dcc" alt=""><figcaption></figcaption></figure>

**5.** SMS전송시 등록된 발신번호를 선택후 SMS를 전송해 주세요.

<figure><img src="https://684490627-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv69WyUBA97LF6ssfVxBb%2Fuploads%2Fd2zHbiLp9TyWUyB5g67j%2F%EB%B0%9C%EC%8B%A0%EB%B2%88%ED%98%B8%20%EC%84%A0%ED%83%9D%ED%99%94%EB%A9%B4.png?alt=media&amp;token=6a6b8306-2581-4ebb-85cd-dfd26c1fe526" alt=""><figcaption></figcaption></figure>

{% hint style="warning" %}
**발신번호추가인증**을 눌러 발신번호를 추가 등록 할 수 있습니다.
{% endhint %}