Seems to me that the VoIP softphone (which one, uConnect or other ?) you are using is getting around the MBB port blocking, which would is of interest to me as I also use Orange MBB.
The soft phone in use on the laptops is Qutecom, two way calls, no problems so far. No ATA attached at all, just bare Qutecom and use the laptop soundcard with a headset attached.
Qutecom has a habit of falling over now and again, but restarts fine. Mainly the issues are if you mis-dial and have to abort a call, it may abort if you retry the call. Just load the software up again and we've been fine for days on end on a PC we've got configured at the studio end to take the incoming calls.
I didn't have to set any special ports up either, our SIP trunk allows for connections behind a NAT when we're connected at the studio on a LAN.
The harwired VoIP equipment can't do that, which is possibly why you only get one way calls ?
That figures. We really wanted to do hard wired, so we don't need a PC on all the time. The Comrivox boxes are fine for incoming though. Would have been better for mobile work as we would rather have a proper phone in use than a headset. OK, so you can get USB phones, I know, but more expense at this stage.
Draytek 2800VG router(s)
This would be for back at the office, not mobile. But that would knock us back to G standard for the wi-fi? I take it we would have to put this in as the main router for it to work, experience tells me that using a router as a hub is not a good idea.
The non wi-fi version are more expensive it seems. Then again, no room (or cash) for 10 of the others at £300 quid when the same guy is selling them individually at £24.95
TBH the Linksys seems a better option for us. Prefer to use the ATA separate to being a router, I seem to remember moving away from the BT voyager for that reason. We dropped the BT 05 line a couple of years back as it hardly ever worked for outgoing calls, and we were paying for the option.
One of the nice features we have now is the ability to dial an extension number as all the SIP ports are their own number, so I can use the laptop to call 1000, which is the main studio, or 2000, which is my home port, and so on. Each trunk has a proper number, if not more than one.
Better still, I have a Nokia E5 and with Orange it give me UMA (now called signal boost). My office is inside a building with walls 7 bricks thick, no mobile signal. It's not that good outside come to that. I get full mobile operation PLUS it does SIP too.
Yes, I have a SIP trunk and number assigned to my mobile but have made sure it only connects when on signal boost connection, not on regular Orange. Again, incoming calls only, I cannot dial out via the Nokia. Well, I can, but it does not connect to anything. The call shows on the account logfile but the remote phone does not ring. Pity, would have been a laugh to make a call from my mobile to the studio that came up on CLID with Birmingham or something.
Such a pity that the uConnect gadget is skype only, I read the description as being VOIP as well but cannot find any further info on how to do that.
If I wanted our callers to know we're using VOIP I'd give out a skype address and restrict it to PC users - the option we have allows people to use a normal phone, or mobile, to call us on a local number. That's the image we need to give out. I wonder if It is worth re-listing the uConnect to sell it? Hardly worth the hassle.