Are there any ABers out there who are telecomms savvy? In a nutshell I need to know the advantages and disadvantages of the BT Featureline Corporate system. I know that all intersite calls between the branches of our business become free and that the line rental charge for Featureline is less than that of a normal line, I am also aware that Featureline phones are in the region of �80 each, but I'm sure that there are catches I do not appreciate. Can anyone help? (in plain English, not BT jargonspeak)