I just got hold of a second beocom 6000 mk1 and am having trouble getting it to register with my "old style" pstn.
my original setup will de-register and register no problem. (Also 6000 mk1 -It has the version 2.5).
Any chance this could be due to the "new" handset having 1.1?
I really hope i'm missing something completely obvious! Thanks for any help...