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Hi all, back again to share my experience to whom might be interested: 2 VTOs, 2 VTHs and my mobile. The main VTO configured also a SIP server. On the mobile phone, I have installed SIP clients (linphone, mizudroid), successfully connected to the VTO SIP server. Tested the group call with...

Hi Antori91, hope you are still around, just to better understand: with this config, were you able to have a group-call with the VTO, VTH and mobile device via SIP (embedded into dahua VTO) without P2P? and is it group-video early preview working on the mobile device and VTH at the same time...

user8963, my requirement is having video doorbell capabilities working on all those different devices (smartphone, new generation video doorbells, indoor stations etc etc) by means of "some interconnection" which does not require cloud services in china or whatever else country. Further, it was...

I was hoping to attach my phone to the embedded SIP server by means of a SIP client mobile app running on the phone... who never knows, maybe it is somehow compatible... to be still investigated actually.

Well, dauha/hikvision firmware unreliable? fine, it can be, but it was not one of the points I was mainly concerned about. By the way all these devices come from China and have the same kind of bugs, unreliability etc etc. it is a matter to see which vendor is more inclined to release new...

Apparently it is possible -->

well, basically that thread is saying that the group video preview capability mentioned into release notes of firmware 2.8.13 is basically not working as one might expect... that's a pity...

but as you pointed out, such lack of capability is on SIP server side. From the documents I found, the SIP server embedded into the indoor station seems to support group ringing with the early video delivery. So, actually, if you use a third-party SIP server which the FANVIL (or...

And apparently, yes, it seems so --> https://www.fanvil.com/Uploads/Temp/download/20210721/60f7d6c023a5d.pdf

Hey, I found this --> i16S/i16SV Audio/Video Intercom-Fanvil Technology Co., Ltd to be coupled with one of its indoor stations i51W, i52W, i53W and i56A acting as SIP Server: apparently it seem that the indoor station can be configured as SIP hotspot and allow group ringing. Not yet clear if...

ah, ok, I misunderstood your statement then... from "if you use their sip server it works. " I understood it was working, and for me it could be sufficient, as I have no other needs to justify a dedicated SIP server like asterisk or anything else. to test I have to buy it :-) maybe I can place...

even if the SIP server is the Dahua VTO itsef the 1:many early-media does not work?

so, let me try to summarize your inputs: (-) dahua VTOs can act as SIP servers as well (-) by using dahua devices only (outdoor and indoor stations) and the SIP server embedded into dahua VTOs, ring-groups with early-media on all dahua client devices works. It works also on non-dahua clients...

Yes, I was looking at the dauha features... Indeed I was thinking to setup a simple SIP server on a raspberry then to take benefit of such capabilities... ok, some homeworks for the christmas holidays :) thanks

Totally right, my bad, I had to be more specific: I'm trying to setup an ip-based video doorbell, so I would like to see who is at the door, not only having a text message. cheers

Thanks, I'll have a look at these. Thanks Pete. Actually it is not a matter of having a backup "connection". The ADSL goes up and down intermittently, sometimes for few seconds, other times for minutes, other times for hours. So, it is practical difficult to manually switch the connection...

Hi All I would like to mount an IP-based doorbell at home, however I have a constraint: the doorbell shall communicate with the indoor station (preferebly to my smartphone, alternatively to a dedicated display) only via internal LAN, so not requiring any access to internet. The reason of this is...