Recent content by dax.busi

It's the same problem i found here. The same situation https://ipcamtalk.com/threads/on-dahuas-latest-v4-firmware.49525/#post-845842

I have the same problem after an update to v4 version on the same NVR. Did someone was able to debrik the NVR?

Becouse I’ve uploaded a wrong firmware…

I tried to debrik my dahua NVR5216-4k S2 via tftp and rs232. But I can't find the right firmware it's always boot looping. DDR Training Suc U-Boot 2010.06-svn5972 (Jul 18 2022 - 15:46:51) In: serial Out: serial Err: serial squashfs use gzip SCU: load slave image OK Read backup misc...

Ok i figured out that there's a workaround to the problem. Instead of working with ring groups of freepbx, you should setup the dahua vto with internal VTH number. Then in freepbx you should enable in the VTH extensions the follow me feature to the ring group. In this way the SIP autenthication...

Hello thank you for the reply. I've inserted the Progress() command in the dialplan but the problem still persist. Looking to the tcpdump in my case it seems that asterisk reply with an unauthorized 401 sip message. Could you help me to debug this problem? I attach here the tcpdump.

I've alway had the same problem of this thread...I'm looking for a definitive solution. Read my post please. https://ipcamtalk.com/threads/problem-with-dahua-outdoor-intercom-vto-vth-and-asterisk-retransmission-timeout-reached-on-transmission.53031/

I 've a dahua intercom system composed by: a Dahua VTO2000A outdoor unit () a Dahua VTH1510 indoor unit The system function only if I use an old version of Asterisk with chan_sip (Asterisk 11) and only if the VTO calls a group call (one of the member of the group call is the VTH indoor unit)...