The ALG is a network address translation (NAT) tool that changes private IP addresses and ports into public IP addresses and ports. The SIP ALG acts as an independent firmware program to prevent firewall-related issues on the router. It inspects the SDP portion of data packets and modifies them so that they send correctly. Client Based Testing. This link will download a small.exe agent that can test for the presence of a SIP ALG on the network the host PC is connected to. After downloading, open the file and accept any permissions your windows/mac machine may ask for. Understanding the results: If the results = False then a SIP ALG was not detected by the client.
Before installing a Voice-over-IP (VoIP) phone system it’s important to check your internet connection is ready to support the number of phones you need.
This wizard will guide you through 3 simple steps to simulate a VoIP phone system running on your local network to check everything works.
Here’s an overview of what we’ll be doing.
Download a small application to run on your PC.
Run this application in the special administrator mode on your PC.
Enter the number of phones you need and run the test.