The incoming ports that need to be forwarded for SIP are:
SIP - Default
- TCP: 5060-5090
- UDP: 5060-5090
Forward Ports for SIP
You may need to forward ports in your router when you use SIP. Forwarding ports is used to allow incoming connection requests from the internet to SIP.
Routers do not generally allow incoming connection requests from the internet. By forwarding ports you can work around this limitation.
Before Forwarding a Port Checkoff This To Do List
You need to know the following things before you can forward a port:
- Your router's IP address.
- Your phone's internal IP address.
- Each of the TCP and UDP ports that you need to forward.
Find Your Router's IP Address
We have free Router Detector software to help you find your router's IP address. The software is part of our Network Utilities suite of tools and it is completely free to use.
Otherwise, you can follow our guide Find Your Router IP Address.
Forwarding a Port for SIP
We have Network Utilities software that can forward ports for you. Our Network Utilities software allows you to add port forwards and also remove them when you no longer need them to maximize your network security.
Alternatively you can do it by hand. The step-by-step process for forwarding a port is:
- Start by logging in to your router.
- Find the port forwarding section in your router.
- Put your phone's IP address in the proper box in your router.
- Put the TCP and UDP ports for SIP in the corresponding boxes in your router.
Some routers need to be rebooted in order for the changes to be saved.
You can choose your router from our list to see exactly how to forward ports for SIP:
List of Routers - Customized for SIP
Those are the steps for forwarding ports in your router for SIP.