Now with Jazz’s Call & SMS Block service customers can block unwanted calls and SMS from on-net & off-net numbers
Total of 50 numbers can be added in the Black List and 50 in the whitelist. Any number added in both the lists will be counted twice.
Available *420# Options:
To subscribe to “Call & SMS Block” service via USSD, simply dial *420#.
To unsubscribe “Call & SMS Block” service via USSD, simply dial *420# and select option 4
The Block list is removed as soon as the service is un-subscribed and you will start receiving calls and SMS from all the numbers. If the service is re-subscribed you need to add numbers to the block list again.
Subscription renewal is automatically attempted; if the balance is low, attempts are made for charging for 60 days. Service remains subscribed and you will not get calls & SMs from numbers added in block list. Numbers can be added and deleted from the list during the 60 days suspension period.
To add a number in the black list via USSD, simply dial *420# and select option 1.
50 numbers can be added in black list
To delete a number via USSD, dial *420# and select option 3.
Yes, it is necessary, else the blacklist will not block those calls. If you are subscribing via USSD menu, blacklist is automatically activated.