Dear Maintainer, Any calls to the SIP endpoint for the Zoom video chat service fail. I discovered <URL: https://github.com/bemoody/linphone-deb > with a recipe for how to get it working, but the "Enable H.264 video compression" step fail. When I try to enable the video codec, a popup message ask if it is OK to download the codec, but even if I accept the download and press the strange empty 'confirm' popup afterwards, the H.264 video codec option stay disabled. And without H.264 video codec available, the call is rejected. I verified this using Jami, which I normally can use to connect to the SIP endpoint of Zoom, but it will fail when I disable H.264.
X-Debbugs-CC: Petter Reinholdtsen <pere@hungry.com> Do you have the package mediastreamer2-plugin-openh264 installed? It is necessary to use H.264 and will also pull in the required package containing the H.264 codec. If you do have both installed and it still does not work you have to provide more info (e.g. linphone logs etc.). Regards.
[Dennis Filder] Nope. It do not seem to be available in Bullseye. I'll try with a Bookworm machine and see if there is greater success there. Are you able to connect to Zoom yourself? Note, the majority of my issue with the current behaviour is the pretend to download and enable H.264 stuff, which appear to not really happen. Perhaps the download code should be disabled or changed to suggest installing mediastreamer2-plugin-openh264? How is this feature behaving in newer versions? OK.
[Petter Reinholdtsen] <pere@hungry.com> writes: I tested on Bookworm, and while it is different, I did not manage to call the SIP endpoint of Zoom. With the mediastreamer2-plugin-openh264 package installed, the H.264 option show up as enabled, and disabling and enabling it do not ask for anything to be downloaded. This is great. The problem is that I try to connect it to my local Asterisk server, which appear to not work. I get a proxy account with the correct settings, but linphone do not seem to reach the server. Ignoring this, I try to enter the sip address of the Zoom room I want to connect to, but entering it in the upper text field just pop up a 'add contact' prompt that do not work (the 'sip address' field seem to be write protected), and just pressing [enter] after cut-n-pasting the SIP address just clear the field. Cut-n-pasting the SIP address in the text field just below it also did nothing. In short, while H.264 might be working with Linphone in Bookworm, I have no idea how to test it with my current setup. Perhaps it only work when accepting the terms of the external service? Would be interesting to know the answer to this question. It behave a lot better. I guess this issue can be seen as solved with linphone version 5.1.65-4. Still have not found a way to make Linphone useful, but at least the download popup seem to be gone. I am happy to debug some more, and am available on #debian-voip if someone want direct contact.
X-Debbugs-CC: Petter Reinholdtsen <pere@hungry.com> If you're behind NAT-ing router like most people then you usually need some kind of SIP proxy that connects to your ISP's SIP gateway to make it work. So, if Linphone is not working with your Asterisk server you need to fix that first somehow. Well, I don't really use Zoom, mainly for privacy reasons, so you're a bit on your own here. Okay, I will close the bug report then. Regards.
[Dennis Filder] This was on the local network, on the same subnet as the Asterisk server. I do not expect anyone to use Zoom voluntarely, I was just asking if you had actually tested it following the recipe mentioned earlier in the issue. In any case, sad to learn that Linphone is still useless to me. I was hoping it could provide an alternative SIP client to replace Jami, which has proved to be a bit unstable.