any Ideal about M1 telecomunication

[ah Mai]

any method to stop a stranger from call abuse by sms and late call
how to take it when you have been receiving funny call and sms .
or anyone is now using M1 Line having a same problem like me now
paying huge bill recently i hv got huge bill that shown exceeding 500
sms. I was mad with the service despite many time complaint i received
more funny caller. msg over the midnight and early in the morning. how
should I unsubcribe with 2year contract : *sob* :!:

M1 sux :!: