It's possible that it might support bridge mode, if you are correct.
If they added port forwarding without listing it in tge
router setup page, they probably might have added other featues too.
No way to be sure.
@PRAKASH G
They didn't give me a power supply, instead it's a 12v 4amps battery.
Although I do have fluctuations every now and then but since it's connected to a battery (DC).
But then again the battery is very wierd, because whenever there's a power cut, the battery never keeps the
ONT running for even a second, even though it says it has 4 hour backup when fully charged. Its a 2010 model whoes warranty was expired in 2013 but I never really expected a shitty govt. Company to keep me updated with latest tech.
But anyway the battery itself is connected to outlet through 2 multipoint connectors, one of which also has a surge protector inbuilt, so fluctuations should not be an issue.
VOIP has been weird too, when this turn on/off cycle starts it doesn't work and the device simply acts like a dead phone only. When the link/auth are stable it works fine, although during some random times, if I pick up the reciever from handset the VOIP LED turns off, and turns back on if I put back the reciever, so during this time if someone calls me and I pick up the reciever it instantly disconnects the call.