However let me tell you the feature details of Telenor call block service,
Charges
Charges are 20Rs+tax/monthly
For service settings and managing your blocked numbers IVR and SMS methods will be charged as below
SMS: Rs. 2 + tax. (One time)
IVR: Rs. 2 + tax per minute.
Blocking or Unblocking a number by Call Blocker Website = Rs. 2 + tax (one time)
You can choose from four prompts which your blocked caller will hear whenever they will try to call you (It means you can make them fool : -P), Busy tone, Wrong number prompt, phone switched off prompt, phone no reply prompt.
These settings can be changed by logging in to http://202.69.15.124:8080/tellin/ics_user_index.jsp by default your blocked callers hear busy tone.
How to activate
Telenor users, to register for this service write sms “sub” without quotations and send it to 420.
After you get subscription, To block a number type your number and send it to 420, For example 03451234567 to 420 (021-xxxxxxx, 042-xxxxxxx, 030x-xxxxxx, 033x-xxxxxx, 032x-xxxxxxxx, 034x-xxxxxxx)
You can unblock the blocked number by sending U<space><number> to 420, for Example U 03451234567 to 420.
You can get the list of blocked numbers by sending ‘BL’ to 420.
Above were the methods of using Telenor call block service through sms, however you can manage your this service easily from their website for Telenor call block service subscribers at http://202.69.15.124:8080/tellin/ics_user_index.jsp