---
title: "RingCentral SIP Registration Guide for Algo Endpoints"
slug: "cg-ringcentral"
updated: 2026-01-13T17:12:37Z
published: 2026-01-13T17:12:37Z
canonical: "docs.algosolutions.com/cg-ringcentral"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.algosolutions.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RingCentral SIP Registration Guide for Algo Endpoints

> **Disclaimer**
> 
> 
> 
> The information contained in this document is believed to be accurate in all respects but is not warranted by Algo. The information is subject to change without notice and should not be construed in any way as a commitment by Algo or any of its affiliates or subsidiaries. Algo and its affiliates and subsidiaries assume no responsibility for any errors or omissions in this document. Revisions of this document or new editions of it may be issued to incorporate such changes. Algo assumes no liability for damages or claims resulting from any use of this manual or such products, software, firmware, and/or hardware.
> 
> 
> 
> No part of this document can be reproduced or transmitted in any form or by any means – electronic or mechanical – for any purpose without written permission from Algo.
> 
> 
> 
> For additional information or technical assistance in North America, please contact Algo’s support team:
> 
> - 1-604-454-3792
> - [support@algosolutions.com](mailto:support@algosolutions.com)

## Introduction

RingCentral is a business phone system that connects employees with one solution. It offers enterprise-grade features, including auto-receptionist, multiple extensions, and more.

This SIP registration guide demonstrates three methods for integrating Algo IP endpoints with RingCentral. These methods are listed by functions within RingCentral: Paging Device, Limited Extension, and User Phones. The best method depends on the Algo IP endpoint provisioned and its intended application. The table below provides a summary of these methods, their recommended uses and limitations.

| **Registration** **Method** | **Description** | **Recommended Uses** | **Limitations** |
| --- | --- | --- | --- |
| **Paging Device** | Device must be added to a Paging Group. No associated phone or extension number. Access group by dialing *84 | One-way paging. Single or multi-site. | No two-way communication. No direct inbound or outbound calls. No DTMF support. No call queue membership. |
| **Limited Extension** | Registered as Common Area Phone. Can use local Digital Line phone numbers. No user-specific integrations, | Two-way communication. Direct inbound or outbound calls. When DTMF support is required. | No call queue membership. No voicemail. No advanced call handling. |
| **User Phone** | User phone with full DL capabilities. Supports call queue membership. | Call queue-related use cases. (e.g. Night Ringer) | N/A |

This guide only outlines configuration details for registering Algo IP endpoints to RingCentral. For additional information on device configuration, see the [User Guide for your specific Algo product.](https://www.algosolutions.com/resources/documentation/)

## Paging Device

Devices provisioned as paging devices do not have a phone number or internal extension. Registration via Paging Devices allows your Algo IP device to be registered to RingCentral for public announcing.

| **Recommend use:** | **Do not use for:** |
| --- | --- |
| One-way paging (single or multi-site) | Two-way communication |
|  | Initiate calls |
|  | Receive regular telephone calls |
|  | Any application requiring DTMF, such as DTMF zoning and DTMF for door control |
|  | Night ringer |

### Configuration

You must open both RingCentral and the web interface of your Algo IP endpoint to register your device.

**To register your device:**

1. Log in to [RingCentral](https://login.ringcentral.com/) and open **Phone System** → **Phones & Devices** → **Paging Devices**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-w6uug1jw.png)
2. Click **+ Add Device** in the top right corner of the screen.
3. Enter a **Device Nickname**, which will be the name of your SIP-enabled IP paging device within RingCentral.
4. Click **Next** to see the SIP credentials for your new device. You can also click on your new device from the screen to access these details.

![A screenshot of a computer screen AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-03per7cj.png)
5. Open the web interface of your Algo IP endpoint and go to **Basic Settings**→**SIP**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-wwbfntcl.png)
6. Use the SIP server information of your RingCentral to fill out the following fields:

| **Algo IP Endpoint Web Interface Fields** | **RingCentral Fields** |
| --- | --- |
| SIP Domain (Proxy Server) | SIP Domain |
| Page Extension | Username |
| Authentication ID | Authorization ID |
| Authentication Password | Password |

1. Go to the tabs **Advanced Settings**→**Advanced SIP** and fill out the following fields:

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-62be4mmi.png)

| **Algo IP Endpoint Web Interface Fields** | **Settings** |
| --- | --- |
| SIP Transportation | Select **TLS.** |
| Outbound Proxy | Retrieve the Outbound Proxy from RingCentral. |
| SDP SRTP Offer | Select **Standard**. |
| SDP SRTP Offer Crypto Suite | Select **All Suites**. |

1. Make sure that the **SIP Registration** status is successful on the device **Status**page.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-7qru2g7o.png)
2. Go to RingCentral web admin portal and make sure the device registration status shows as ![](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/successful.png)(successful) in **Phone System** →**Phones & Devices**→**Paging Device**. ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-4wtrxhmi.png)Once completed, the device must be added to a **Paging Only Group**. A paging-only group is a collection of paging devices or desk phones that can receive a paging call.
3. Go to **Phone System**→**Groups**→**Paging Only**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-3o2cwkhr.png)
4. If no **Paging Only** groups exist, click **+ New Paging Only** on the top right corner of the screen. Enter a **Group Name** and click **Save**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-azay6oat.png)
5. To add your Algo IP endpoint to a **Paging Only** group, click on the group name in the screen and expand the **Paging** section. Click **+ Add device to Group**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-qcfio2a6.png)
6. Select **Paging device** and then select **Continue**. Select the Algo IP endpoint(s) to add to the group.

![A screenshot of a phone AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-o4nxvfao.png)
7. You can now page the connecting paging device. To do so, dial *84. When prompted, enter the page group extension number followed by #.

## Limited Extension

The **RingCentral Limited Extension** is an extension with features limited to basic calling for **Common Area Phones**. This extension is not tied to a user.

| **Recommend use:** | **Do not use for:** |
| --- | --- |
| - Two-way communication using Algo IP speakers or intercoms. - Initiating or receiving regular telephone calls. - DTMF zoning (multicast or analog zone controller) - Door control (via DTMF) with intercoms | - Night ringer (call queue membership is not supported). - Basic one-way paging (single or multi-site) with no use of DTMF. Using the Paging Devices method is a simpler option. |

### Configuration

You must open both RingCentral and the web interface of your Algo IP endpoint to register your device.

**To register your device:**

1. Go to **Phone System**→**Groups**→**Limited Extensions**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-atkp5ba3.png)
2. Click **+ New Limited Extension** in the top right corner of the screen or enable an existing one. To create a new extension, fill out the **Limited Extensions** and **Shipping Info** fields.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-hxsi8edb.png)
3. Navigate to **Phone System**→**Phones & Devices**→**Common Area Phones**. Click on an **Existing Phone** for the **Limited Extension** you would like to use with.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-w5smh2rw.png)
4. In the **Setup & Provisioning** window, select your device by going to the **Other Phones** tab and selecting **Existing Phone**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-1ozhclic.png)
5. You can now see your SIP credentials.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-49375krh.png)
6. Open the web interface of your Algo IP endpoint and go to **Basic Settings**→**SIP**. Use the RingCentral SIP server information to fill out the following fields: ![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-bzwn4jlz.png)

| **Algo IP Endpoint Web Interface Fields** | **RingCentral Fields** |
| --- | --- |
| SIP Domain (Proxy Server) | SIP Domain |
| Page Extension | Username |
| Authentication ID | Authorization ID |
| Authentication Password | Password |
7. Now go to the tabs **Advanced Settings**→**Advanced SIP** and fill out the following fields:

| **Algo IP Endpoint Web Interface Fields** | **Settings** |
| --- | --- |
| SIP Transportation | Select **TLS**. |
| Outbound Proxy | Retrieve the Outbound Proxy from RingCentral. |
| SDP SRTP Offer | Select **Standard**. |
| SDP SRTP Offer Crypto Suite | Select **All Suites**. |

1. Make sure that the **SIP Registration** status is successful on the device **Status**page.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-uwjiha94.png)

## User Phone (Full Extension)

For user phones, a RingCentral full extension is possible. This creates a digital line that can initiate or receive regular telephone calls.

| **Recommend use:** | **Do not use for:** |
| --- | --- |
| Night ringer (call queue membership is supported) | Any other application besides night ringing. Other methods are better suited for applications outside of night ringing. See Paging Device and Limited Extension above for more details. |

**To bind a RingCentral full extension for user phones:**

1. Log in to [RingCentral](https://login.ringcentral.com/?responseType=code&clientId=crUFzY5PSbyB-N3G5fmV3w&brandId=3610&state=1753303086166-0554609b5cdf46fb50d8aeb761ed81f8%3A1293492520&localeId=en_US&endpointId=&session=7776953238870856762&display=page&prompt=login%20sso&scope=&appUrlScheme=https%3A%2F%2Fsupport.ringcentral.com%2Fservices%2Fplatform%2Fauth%2Fcallback.servlet&ui_options=hide_consent&code_challenge=&code_challenge_method=&v=25.2.2#/enterCredential) and open **Phone System**→**Phones & Devices**→**User Phones**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-b0d02nfz.png)
2. Click **+ Add Device** on the top right corner of the screen.
3. Set the requested fields as needed in the new window. When selecting a device, go to the tab **Other Phones** and select **Existing Phone.**

![A screenshot of a phone number AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-d43hrp80.png)
4. After you have completed the process of adding a new user phone, set up and provision your device by either:
  - Selecting **Set Up and Provision** as shown below.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-m0ncznmk.png)
  - Clicking the **More**icon![](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/more.png)on the right side of the device’s row and selecting **Set Up and Provision**.

![A screenshot of a phone number AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-2rabnpfa.png)
5. In the **Setup & Provisioning** window, click **Set up manually using SIP**.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-ldh8i01p.png)

You will now see your SIP details.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-0b7in1dz.png)
6. Open the web interface of your Algo IP endpoint and go to **Basic Settings**→**SIP**. Use the RingCentral SIP information for your device to fill out the following fields:

![](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/image(478).png)

| **Algo IP Endpoint Web Interface Fields** | **Settings** |
| --- | --- |
| SIP Domain (Proxy Server) | SIP Domain |
| Page Extension | Username |
| Authentication ID | Authorization ID |
| Authentication Password | Password |

1. Now go to the tabs Advanced **Settings**→**Advanced SIP** and fill out the following fields:

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-0kebbdm1.png)

| **Algo IP Endpoint Web Interface Fields** | **Settings** |
| --- | --- |
| SIP Transportation | Select **TLS**. |
| Outbound Proxy | Retrieve the Outbound Proxy from RingCentral |
| SDP SRTP Offer | Select **Standard**. |
| SDP SRTP Offer Crypto Suite | Select **All Suites**. |

1. Make sure that the **SIP Registration** status is successful on the device **Status**page.

![A screenshot of a computer AI-generated content may be incorrect.](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/cg-ringcentral-image-uc4r9bhn.png)

## **Troubleshooting**

If you experience problems with SIP registration, follow the steps below to resolve the issue.

### **My Device’s SIP Registration Status Displays****"****Rejected by Server****"**

**Possible Cause**

The RingCentral server received SIP REGISTER packets from the endpoint but responded with an unauthorized message.

**Resolution**

- Ensure your device’s SIP credentials (**Page Extension**, **Authentication ID**, and **Authentication Password**) match those configured on the RingCentral server.
- Double-check that the SIP **Authentication Password** is correct.
  1. Go to **Basic Settings**→ **SIP**.
  2. Click the **View**icon ![](https://cdn.document360.io/f6f5e62d-d280-487f-9da7-5926ffd53b5f/Images/Documentation/image(496).png)next to the **Authentication Password**field to display the password.

If the password appears incorrect, your web browser may be automatically filling in the field. This can result in unintended changes when saving the configuration.

If this occurs, correct the password accordingly.

---

### **My Device’s SIP Registration Status Displays****"****No Reply from Server****"**

**Possible Cause**

The device is unable to communicate with the RingCentral server across the network.

**Resolution**

- Go to **Basic Settings**→ **SIP** and ensure that the SIP Domain (Proxy Server) field is correctly populated with the server's address and port number.
- Go to **Advanced Settings**→ **Advanced SIP** and ensure the **Outbound Proxy** is correctly configured.
- Change the **SIP Transport Method** from **Auto**to **TLS**:
  1. In **Advanced Settings → Advanced SIP**, set **SIP Transport Method** to **TLS**.
  2. In **Advanced Settings → Advanced SIP**, configure the **SDP-SRTP Offer**:
    1. Set **Standard**for**SDP SRTP Offer**.
    2. Set **All Suites** for **SDP SRTP Offer Crypto Suite**.
- Confirm that any firewall in place is not blocking incoming packets from the RingCentral server.