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I am trying to find a way to establish a high quality video phone connection between two kubuntu computers. One of the computers will be behind a firewall at a fixed IP but an ssh-port can be opened to it such that direct connections can be established in principle.

Skype or Google phone did not give me satisfying results so-far, even if the connection speed should have been high enough.

Are there any free sip-providers which support video telephony such that it can be set up with kubuntu soft phones? Or is there a way to make calls directly through an ssh-tunnel? Both computers can be set up with required software and it is not an issue to be able to call other devices or people.

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Try the pre installed empathy messaging cliant, it can do video calls based on, Google Talk, Jabber and sip.

Noticed you have Kubuntu so 

sudo apt-get install empathy

There is also,ekiga,it has a good review in software center, here is its description

H.323 and SIP compatible videoconferencing and VoIP/IP-Telephony application that allows you to make audio and video calls to remote users with H.323 hardware or software (such as Microsoft Netmeeting) as well as SIP endpoints.

It supports all modern videoconferencing features, such as contact roster, presence status, high-quality audio and video codecs, various video resolutions, registering to an LDAP directory, gatekeeper support, making multi-user conference calls using an external MCU, using modern Quicknet telephony cards, and making PC-To-Phone calls.

Evolution plugin is in ekiga-plugin-evolution package

Install from here or

sudo apt-get install ekiga

Also see this question for many suggestions. (I did not flag as a dupe as the other question is 4 years old)

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  • Ok. I assume Google Talk would give me the same poor quality as I experienced it before. But I could try with sip. Something there I do not understand is whether video with sip poses requirements for the sip-provider or is it rather that the endpoints need to support the same standard? I didn't get sip to work with video so-far but have not tried empathy.
    – highsciguy
    Aug 4, 2015 at 11:43
  • Sorry did you want an actual service provider as a posed to a client for calls ?
    – Mark Kirby
    Aug 4, 2015 at 11:50
  • No, I just need a working combination of both. For now I do not have one where sip works with video (and I do not know the precise reason why it does not).
    – highsciguy
    Aug 4, 2015 at 11:56
  • See how it goes with empathy and post back if you have issues, I will help you to get it going
    – Mark Kirby
    Aug 4, 2015 at 12:02

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