Ekiga is an application you can use for making phone calls via Voice over IP (VoIP), for video conferencing and for instant messaging.
Note: Ekiga May Not Be Installed
Before proceeding, make sure that the package ekiga is installed.
Before starting, make sure that the following requirements are met:
Your sound card is properly configured.
A headset or a microphone and speakers are connected to your computer.
For dialing in to regular phone networks, a SIP account is required. SIP (Signaling protocol for Internet Telephony) is the protocol used to establish sessions for audio and video conferencing or call forwarding.
For video conferencing: A Web cam is connected to your computer.