For many reasons (i.e. long, and off topic to discuss here), LineageOS or other 
alt ROMs, are out of the question. I wouldn't come here if I considered doing 
that.

Yes, it did occur to me to try adding my linphone account like a normal sip 
account. The assistant detects this, and throws you back to the add existing 
linphone account form. Even if this worked, I am not sure if free linphone sip 
accounts can be logged into as normal sip accounts at all, e.g. from 3rd party 
sip apps. Only the reverse is getting addressed in the current FAQs, but a 
truncated sentence in duckduckgo's cache/search results makes me suspect that 
you cannot. 

Trying a totally different type of internet connection (like a public library), 
will happen when I'm having the opportunity; I had been hoping that "I'm not 
having the means to test that hypothesis and come from another, unlisted IP" 
would convey that this is not the case in this moment, rather than that I was 
out of ideas how to connect differently.

I do *think* that subscribe.linphone.org:444 is (or was) an API, I couldn't 
think of anything else that is making sense, but I'd definitely *love* to hear 
from someone who knows with certainty: that *is* what I'm here for.

I'm still reluctant to publically share partial-, let alone link, complete logs 
here: they'd need manual editing for adequate privacy, but after doing more 
testing today, with freshly reset logs, there's this

UPDATE:

On my newest comparison device, running linphone-app 4.3.1 (the last well 
running version still with PiP mode for video calling :-) ) on android 7, 
failed connection attempts (even before the tls handshake) to 
subscribe.linphone.org:444 do occasionally pop up in the logs, HOWEVER, 
attempting to add a bogus linphone account like user ali passwd baba (I don't 
want to risk deleting and failing to re-add a real account) (yes, I didn't 
mention: I'm using email registration and user | passwd
login, not a linked phone number), while resulting in a misleading error (red 
dot, connection failed) in linphone's status, and the account being added (as 
new default! despite failure) still makes the app try to REGISTER 
a...@sip.linphone.org with sip:sip.linphone.org via SIP/2.0/TLS, ultimately and 
I assume correctly, given the bogus credentials, failing with a 401 
Unauthorized reply on first try, and 403 Forbidden on 2nd, all that without any 
attempt to contact subscribe.linphone.org:444

On the android 4.4.2 device that I'm asking for, where I need to first-time set 
up the linphone 4.0.1 app, however, after trying the assistant, logs show that 
an attempted REGISTER call to sip:sip.linphone.org via SIP protocol does not 
happen in the first place, the account isn't added, but a 'failed to query 
server' message shown that needs to be acknowledged. Failed/refused, on the 
tcp/ip level, connections to subscribe.linphone.org:444, on the other hand, 
there are, I've also spotted an additional error resulting from this: 
[liblinphone] ERROR I/O during XML-RPC request sending 

On the comparison device that, theoretically, (model, android build, kernel, 
linphone version) is identical, except that there are working, set up accounts 
on the linphone app already, the attempt to add a new linphone account with 
bogus creds, likewise results in a failed to query server error that wants to 
get clicked away, no account added, and no trace of the attempt unless you are 
counting failed attempts to reach subscribe.linphone.org:444 and the failed 
XML-RPC request sending. This linphone instance, however is happily 
communicating with sip.linphone.org for registering, publishing, answering 
checks, for the already set up accounts, and all instances happily establish 
secure connection with www.linphone.org:444 for purposes of log uploading

So I'm less sure now what exactly the role of trying to establish an XML-RPC 
handshake with subscribe.linphone.org:444 is, but it's the only visible 
persistent ERROR in the client I'm trying to get through its first steps, and 
that's what I need help with. 

 


On May 25, 2025 11:47:22 AM GMT+01:00, Greg Troxel <g...@lexort.com> wrote:
>"J.H." <juanflauti...@gmail.com> writes:
>
>> I need to set up linphone-android on an old android 4.4.2
>> tablet. Naturally, I am forced to use an old version of the app, trial
>> and error demonstrated that 4.0.1 from the f-droid archive is what
>> installs and starts up on this particular device.
>
>Wow.  I wonder if you can install lineage on those, and get newer AOSP,
>vs running code from 2013 or so.
>
>> When I am trying to use the assistant to add my existing free linphone
>> account, the app will respond "Failed to query server. Try again
>> later". Obtaining logs, the underlying error appears to be that the
>> app tries to verify username and password at subscribe.linphone.org,
>> and while the domain resolves and resolves to belledonne owned
>> (e.g. 5.135.215.41) addresses, the ipv6 addresses will be unreachable,
>> the ipv4 ones, give connection refused when tried on port 444 by the
>> app.
>
>subscribe.linphone.org. 706     IN      A       176.31.149.177
>subscribe.linphone.org. 706     IN      A       5.135.215.41
>subscribe.linphone.org. 698     IN      AAAA    2001:41d0:203:7fe2::2
>subscribe.linphone.org. 698     IN      AAAA    2001:41d0:303:b0d2::2
>
>For me, wget fetches the login page via both v4 and v6.
>
>Do you really mean 444?  Is this the API?
>
>Have you tried visiting a local library or some other place with wifi,
>that is a different network, or using phone hotspot (really, some other
>network)?
>
>
>I don't understand why you need to use assistant, vs adding a sip
>account manually that happens to be at sip.linphone.org.
>Did you try that?
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