It rings for exactly 3 times and stops ??

This number called yesterday.  Since I do not pick up calls from unidentified callers, I let it ring.  It continued to ring far beyond the 5 calls allowed by the call answer service, ringing continuously for it seemed at least two minutes.  Very strange.

who is this

Called today and I didn't pick up in time, so it went to call answer, but no message. It doesn't come up as a person or business in Search Canada 411.

I called the number back and it said the Conservative Party of Canada and it was a recording.

Just got a call from this number while I was on the phone.... strange thing is that it beeped through and I do not have call waiting on my telephone service...