VTO2000A can it be installed without a physical VTH?

I did exactly the same thing. Firmware 4.3 as SIP.
I have also btw enabled the FTP upload: when someone rings at my door, it pushes the snapshots to an FTP server on my raspberry. Here I have a small inotifywait script running that pushes the images to a telegram channel, showing immediately who is at the door and if it is worth opening the gDMSS app ;-)
 
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dana2 said:
Did you manage to solve the "early media" problem? Are you now able to see live video when somebody presses the ring button?
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Yes. The receiving SIP client has to be ready to recevice early media according to RFC3960. If it adds video codec in SDP of "180 Ringing" then asterisk sends a "183 Session Progress" to VTO and the video stream can be received by the client.
Most SIP phones/clients I tested so far just answer the INVITE with a "180 Ringing" without SDP - these are obviously not capable of early media.
 
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riogrande75 said:
Yes. The receiving SIP client has to be ready to recevice early media according to RFC3960. If it adds video codec in SDP of "180 Ringing" then asterisk sends a "183 Session Progress" to VTO and the video stream can be received by the client.
Most SIP phones/clients I tested so far just answer the INVITE with a "180 Ringing" without SDP - these are obviously not capable of early media.
Click to expand...


your discussion is very interesting. Apparently dahua's VTO manages its own SIP server, is it possible to install a SIP client on iOS and make video calls from VTH to iphone and vice versa?

best regards
 
I guess this could be possible, at least audio calls were possible when I hooked up a SIP client once.
But because of its poor configurability I did not have a look at the internal SIP server at all.
 
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