How to enable the call blocker on vodafone?

[Nagarjuna Reddy]

Hi,
yesterday i was trying to activate the call blocker where i have been provided with two options on vodafone network.

one is 99/month
second one is 10/month.

What is the difference between these two packages

 

[Sushubh]

i assume you do not have a smartphone?

 

[Nagarjuna Reddy]

i assume you do not have a smartphone?

Yes, i can't carry smartphone to work. Has to carry basic phone with no camera

 

[Sushubh]

Call Filter
Filter out all those pesky calls you don't want to receive by subscribing to the Call Filter service.
Dial 55144 from your Vodafone mobile to subscribe/unsubscribe. Charges applicable Rs. 50p/Min.
TAT: Activation/Deactivation TAT is within 30 min.

Is this the same thing? Why is it being charged per minute?