Visit the official Zoiper download page:
Zoiper Download Link
Download the .deb package for Linux.
<downloaded-file.deb>
with the actual file name):sudo apt-get install -f
Step 3: Launch Zoiper
on terminal
:zoiper
Username: 2240
Password: 2240aaA
Enter the required IP address and proceed to the next step.
No need to provide AuthenticationGreen. Simply move to the next step.
Once connected, the UDP indicator should turn green.
This confirms that the connection has been successfully established.
Documation is in progress....