My final device that just won't connect!

Question

Hi Folks, I have a BT HomeHub2 which has been working fine for about a year now. I have three Macs, a PC, an XBox 360, a Wii and my ipod all successfully connecting to this without any problems at all.
I've just bought a San Francisco Orange phone - this is really a ZTE Blade android phone that Orange have changed the name. It can connect to my sisters BT Homehub2 no problems, but it's just not connecting to mine.
It sees the network, I put in the correct password and it hangs at 'obtaining IP address'.
The curious thing is that it will happily connect via BTopenzone and seeing as I live in the middle of nowhere this will be taking my homehub connection. However, this isn't satisfactory as everytime I wake my phone up I have to then re-register via BTfon on the internet phone app.
I have a sneaking suspicion that it maybe that I have a setting blocking me from linking this phone, but have no idea how to proceed.
(oh, and I have been pressing the pairing button on the hub by the way!)
Suns

Answer 1

Hi Geaves,
Well, yes and no. I'm already part of the Modaco forum folk. The issue I'm having isn't the same as those particular links (have gone through them thoroughly) - that issue is with the phone constantly dropping the wi-fi connection... I've never managed to get it to connect to my own home hub apart from with openzone.
I get the impression that this is something to do with the homehub setup - other people are having this issue, though only a handful it has to be said. Also, I have managed to get it to connect immediately with my sister's homehub2 - sadly she lives 450 miles away
Here's a snippet of something that may or may not spark some suggestions with those familiar with the ins and out of the BT homehub (which I ain't):
Taken from the modaco forum:
'Aside from the SF's known v1.0 wifi quirks, it sounds as though there may be something strange in the router setup limiting the number of connections available to you, possibly because of maximising the number available to other passing BT customers ... I think you need to ensure that you aren't being excluded from your own router because of the way it is setup. Ordinarily your security might be setup to limit the number of (in-house) connections (by restricting the DHCP pool of addresses), or permit only devices already known (a MAC whitelist), or even having DHCP turned off with everything having its own static IP address. Those would normally be deliberate (manual) security setup choices, (but I dunno how your thing sets itself up). And all those (and probably many other) things could give the sort of grief you are encountering. But, although (or maybe because) I simply don't know the detail of how much of your router is reserved for your own use, I'd suspect that might be where the trouble lies. Certainly the first thing I'd want to investigate.'
Could this be something?_ I have 6/7/8 devices on my connected list, depending on wether the wife/daughter is on a laptop or not.
Also, as a comment:
I have a Dell Streak phone (2.1) and a BT HomeHub2, guess what ... I have the same problem. I have noticed that the Streak leases everything single address on the hub and then never connects. Also what I see is massive amounts hits in the MAC table for the phone ... xxxx.xxxx.xxxx-1 xxxx.xxxx.xxxx-2 xxxx.xxxx.xxxx-3 etc. I have told the router to always lease a specific address to the MAC but no good. I think it's BT's software in the Hub.
Just putting two sides of the story down here as I really have no idea wether the fault is the hubs or the phones.
Suns