The colours-numbering is as follows:
1-red
2-black
3-yellow
4-blue
5-green
6-white
There are several ways of wiring Terraneo as shown below, and none is mentioned as Seko or corresponds exactly to what I'd expect.
http://www.safelink.co.uk/store/product_uploads/1272623620.pdf
Proceed as follows:
Set E/M to M and J1 to -ve. Ignore C2 and P2 on the Comelit.
The Comelit terminal functions are:
A Door opener
B Condenser microphone
C Common
D Call (electronic or mechanical)
E Loudspeaker