Originally Posted by Web-Junkie

Here's another pic with the caps open:



Looking at the left leg you can clearly see where the wires slot in and the pins that they will clip into.

Looks like it's for an extension as you both say as pins 2 + 5 are for speech/ringing and they are both blue/white and white/blue as shown on the plastic legs.So it appears to be a double adpater with the ability to run 2 extension sockets from it as well, neat!!

Thanks for the info guys!