Internal Call: Send Group Number not own extension

[ahartmann]

Hello,
we have a call-group with five members. On external call we use a functioncode to send the group number and not the own extension number:

Code: 0N
Number: NSi+4969558360

But now we want to send internal the group number 360 too and not the own extension number. How can we do that?

Thanks very much!
André