Zycoo IPPBX is built on the Asterisk platform and supports the standard SIP protocol. It can connect to IMS SIP trunks from ITSPs (Internet Telephony Service Providers) as well as SIP endpoints.
This document provides instructions for registering phones via the SIP Proxy domain from outside the office network.
Log in to the IPPBX web interface using the admin account.
Navigate to Addons → Remote Access → Settings
Fill in your information according to the parameters below:
| Parameter | Description |
|---|---|
| Domain Server | Select the server with the green color indicator (best network latency). Please do not select China. |
| Domain | Enter your own domain (e.g., instead of zycoopbx). Must be 6–16 characters, consisting of lowercase letters and digits only. |
| Protocol | Choose UDP, TCP, or TLS. If UDP SIP is blocked in your region, select an alternative protocol. Otherwise, please use the default setting. |
Note: Each device is eligible for a one-year free trial. After clicking the Free Trial button located at the top-right corner, the Domain will be fixed and cannot be changed.
If Remote Web Access is enabled, please change the web portal password to ensure system security.
Navigate to Addons → Remote Access → Status
| Parameter | Description |
|---|---|
| Proxy Status | Registered – The device has successfully connected to the cloud proxy. |
| Expiration | e.g., 2025-04-25 – The license expiration date. Please contact your sales manager to renew the license after this date. |
Navigate to Telephony → Extensions → IP Extensions
Click the Edit button for extension 809, then configure the following parameters:
| Tab | Parameter | Setting |
|---|---|---|
| Features | Remote Extension | Enable |
| Features | App Extension | Enable |
| Advanced | NAT Support | Disable |
If necessary, download the CooCall app from the following sources:
| Platform | Source |
|---|---|
| iOS | Apple App Store |
| Android | Google Play Store |
Navigate to Addons → SoftPhone → Settings
Ensure the Push option is enabled
Open the CooCall app and scan the QR code of the extension. Once registered, you can make and receive calls.
For more detailed information, please refer to the CooCall User Manual.
Open the IP phone's web portal and enter the registration information as follows:
| Parameter | Value |
|---|---|
| SIP Proxy Server Address | SIP Proxy Domain (from Step 1.3) |
| Port | 5160 |
| Protocol | Port Number |
|---|---|
| UDP | 5160 |
| TCP | 5160 |
| TLS | 5162 |
Note: The default port for SIP Registration Proxy Server (UDP/TCP) is
5160. The TLS port is5162.