Is anyone else having problems with continuous ghost calls on Orcon home phone.  It started with 3 a day for about 2 months, then went down to about 2 a day. I have contacted Orcon and because they come from a different number each time they cannot do anything.  They all come from a New Zealand number and there never is anyone on the line.  As soon as the call is picked up the connection is stopped.  I have turned off the answer phone to see if that helped but no, they keep coming.  The latest I have tried is not picking up the call but after it rings continuously for 5 minutes I end up picking it up.  The phone number is registered on the do not call register.  Any advice other than cancelling my home line would be appreciated. Thanks.