> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/configuration-details/configuration-by-web-portal-category/sip-registrar/creating-a-sip-registrar.md).

# Creating a SIP Registrar

A SIP registrar represents a SIP endpoint that provide a location service. You must configure SIP Registrar for your system. The first step in doing so is to select your SIP Domain:

1- Click on your domain in the SIP Domain List

<figure><img src="https://docs.telcobridges.com/w/images/4/42/Select_SIP_Domain.png" alt=""><figcaption></figcaption></figure>

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2- Click Create New SIP Registration Registrar

<figure><img src="https://docs.telcobridges.com/w/images/b/bf/Create_New_SIP_Registrar.png" alt=""><figcaption></figcaption></figure>

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3- Create the new SIP Registration Registrar

* Enter a Name for the SIP Registration Registrar
* Enter an Address to reach the registrar
* Select the registrar destination Port
* Select which local interface will be use to send REGISTER message in SIP Transport Server
* Poll Registrar enabled by default. Sends an OPTIONS message to determine registrar availability.
* Polling Interval in seconds. Time between each OPTIONS sending message.
* Response Timeout in second. Maximum waiting time for a response to a registrar polling.
* Click Create

<figure><img src="https://docs.telcobridges.com/w/images/d/dd/Create_New_SIP_Registrar3.png" alt=""><figcaption></figcaption></figure>

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4- Verify that the Sip registration registrar was successfully created message appears

<figure><img src="https://docs.telcobridges.com/w/images/7/75/Create_New_SIP_Registrar2.png" alt=""><figcaption></figcaption></figure>


---

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