To check if our extensions are correctly configured, we will set up a softphone (a software emulation for a phone) called Zoiper that supports the IAX2 protocol. This software can be downloaded from http://www.zoiper.com/. We will also use an SIP IP phone. In this case, we will use model 6739i from Aastra.
Most of the time when configuring any IP device, we need to know the following parameters:
Extension Number or SIP Authorization Name or SIP User
Password
IP address or host to which our device will register SIP Port, generally port 5060 in TCP/UDP
To configure our softphone, we will introduce the following values to the corresponding parameters or fields as follows:
Username:
7004Caller ID Name:
IAX2 ExtensionCaller ID Number:
7004Server Hostname/IP:
10.20.30.70Password:
1234abcdIn other words:
If the parameters were correctly input, we will see the next picture confirming that our extension is registered to the PBX and is ready to make and...