National Capital FreeNet / Libertel de la capitale nationale

VOIP

VOIP means Voice Over Internet Protocol, where your telephone service is provided via the internet.

Contents

Using VOIP with a TP-Link modem

If you are using VOIP with a TP-Link modem you may experience problems such as voice being received but not transmitted after a connection is established. This may be addressed with a command line setting change in the modem to enable this via telnet to 192.168.1.1.

ip nat service sip sw off

If the command is successful the following line will be returned:

nat sip v2 switch off

Accessing Telnet

Linux

Entering the command on Ubuntu Linux

On Linux operating systems you can access telnet by opening a terminal and typing in "telnet" at the prompt.

Windows

On Windows XP and Vista operating systems telnet can be accesses by using the run command and entering telnet.

Windows 7 and 8 does not support telnet out of the box, but is can be run by installing and using the PuTTY free software application.