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Re: [Linphone-users] no longer able to connect to sip server

From: Trent Creekmore
Subject: Re: [Linphone-users] no longer able to connect to sip server
Date: Mon, 16 Jan 2023 09:31:41 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0

To see what the server is reporting, you may have to either connect it to an router with open source OS such as OpenWRT or DD-WRT to see what is going on. Or using the Linux Desktop client,  then try to connect using that client.

Then using either of those, you can use troubleshooting software such as tcpdump, or sngrep to show you the interaction between the client and server.

If you don't have a router for that, or a dedicated Linux machine, there are many "Live" distros out there which you install to a USB flash drive and boot it from there.

On 1/16/23 08:24, linphone fan via Linphone-users wrote:

Thanks for the suggestion,

Though using TLS or TCP the connection fails instantly.

Is there a way to increase the verbosity of the logs? I'd like to see what the server says why it will not establish the connection.

On 16-01-2023 14:29, Sylvain Berfini wrote:


It seems to me UDP packets are simply getting lost.
Can you try to connect using TCP or TLS instead?


Sylvain Berfini
Head of Mobile & Desktop Apps Department

+33 (0)9 52 63 65 05

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Belledonne Communications, the company behind the Linphone project

Le 12/01/2023 à 19:00, linphone fan via Linphone-users a écrit :
I am running linphone on android version

Linphone android 5.0.2 (tags/5.0.2^0, release)

Linphone SDK 5.2.9 (tags/5.2.9^0, release)

Some time ago, i think after updating to this current version but I can;t be sure. I can no longer connect to my sip server.

Using a different client (sipdroid) does still work.

I see connection in progress which takes like 10 seconds. Then the little dot turns red and says connection failed

I have a debug log attached.

Can anybody please advice on what I can change in the settings to make it work again?

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