Have you considered posting to uk.telecom? It's a newsgroup, stock full of telecom types who know this sort of thing backwards. If you have Outlook Express installed as your default newsreader, click the link below. It should start OE and go straight to the group - then just create a post of your question and await a reply. You will need to go back to the group and read it, as people on the whole will not reply personally to you.
news://text.ntlworld.com/uk.telecom
or
news://news.ntlworld.com/uk.telecom
Or if that doesn't work, then you might like to try google.groups here:
http://groups.google.com/googlegroups/posting_faq.html or more specifically:
http://groups.google.com/groups?hl=e...oup=uk.telecom
FWIW though, this bit may be of no use to you. I have a Panasonic KX TCD515ES Digital Cordless TAM. The SMS service is provided by a third party - who require a BT line. The people on the Panasonic Help Line I called a couple of months ago. Sugested the reason why these services wouldn't work was down to two different standards being employed by BT and some parts of NTL, they said "some parts" owing to parts of NTL being compatiable with BT. There is usually a setting on the phone somewhere, which you can alter in order to obtain compatibility with the network you are on. Though I gave up as, I have SMS on my mobile. So it wasn't that important to me. Like I said though, the best place for this type of question would be uk.telecom if no one comes up with a reply here.
HTH