ชื่อว่า: Ekiga
Website: http://ekiga.org
Feature มากมายลองอ่านๆดู
* Ease of use with a modern Graphical User Interface.
* Audio and Video free calls through the internet.
* Free Instant Messaging through the internet with Presence support.
* Audio (and video) calls to landlines and cell phones with support to the cheapest service providers.
* High Definition Sound (wideband) and Video Quality up to DVD quality (high framerate, state of the art quality codec and frame size).
* Free of choice of the service provider.
* SMS to cell phones if the service provider supports it (like the default provider).
* Standard Telephony features support like Call Hold, Call Transfer, Call Forwarding, DTMF.
* Remote and Local Address Book support: Remote Address Book support with authentification using the standard LDAP technology, Local Address support in Gnome (Evolution).
* Multi platform: Windows and GNU/Linux
* Wide interoperability: Ekiga use the main deployed stantards for telephony protocols (SIP and H.323) and has been tested with a wide range of softphones, hardphones, PBX and service providers.
การติดตั้ง
ติดตั้งบน Linux ได้หลายตระกลูเลยครับถ้าเป็น Ubuntu ก็ aptitude install ekiga เลยครับง่ายๆ ลองใช้กันดีครับ
