Doing my head in big time!!

Rings me twice as well 2 times a night hangs up when you ring them back its a message saying the phone is switched off or unavailable

Only rings twice and hangs up and can't call back. Something's up.

This has been going on for weeks, first it is (02) 8415 8596 then (02) 8415 8540 then (02) 8415 8554 all within 10 minutes drives me nuts

Ive had so many missed calls from this number. when I call back it plays a message saying they are not available, so to text them.
Would really like to know who they are.

Got a couple of calls form this number but everytime I pick up it cuts off... and unable to call the number as well

Over a long period of time, we are receiving a lot of nuisance calls from different phone numbers. However, within the last two weeks a certain pattern has established which I believe comes from one large organization with different extension numbers where only the last two numbers change. So far eight (8) similar numbershave called us, the numbers are:(02) 8415 8550        (02) 8415 8571        (02) 8415 8564       (02) 8415 8562     (02) 8415 8548        (02) 8415 8588        02.8415 8576       (02) 8415 8554   If I pick up the phone, then they hang up. If I return the call, it is always an engaged signal. Please note, that usually I have the answering machine switched on in order to screen calls, but the callersnever leave a message.

Ditto for this number (02) 8415 8564

I too am receiving these calls to my mobile - they always hang up after a couple of rings & when I call the number back it is engaged - I rang Telstra but they were no help - what a surprise - not !!

Me too, calling no message??? (02) 8415 8591

Hi I am repetedly geting call from (02) 8415 8550 ,(02) 8415 8567,(02) 8415 8579 ,(02) 8415 8587,(02) 8415 8580 ,(02) 8415 8589 They always heng up after few rings, do not leave any voice mail and we can not call back as it always  shows  engaged.Regards,Jitendra Negijitendra.negi @ yahoo.com.au