It is true,

Etisalat Afghanistan provides you the best calling rate of 1.5 Afghani per minute to one number at any other local network in Afghanistan, any time without any other charges.
Benefits:

• Lower calling rate to one number on any other local network,
• No daily fee,
• No top up required,
• Activation of the offer is absolutely free.
• No other charges.

Offer Mechanism:

• Selecting your Favorite Number through SMS:

Simply select your FAVOURITE number on any other local network for free by typing A<SPACE>Number and send to 3378.

• Selecting your Favorite Number through IVR:

Call 555 and follow the instructions to choose your FAVORITE number on any other local network to call for 1.5 Afs per minute any time.

• Changing your Favorite Number through SMS:

You can change your FAVORITE Number any time. Type D<SPACE>93 followed by your existing FAVORITE number, and send as SMS to 3378. And then add your new Favorite number.

• Changing your Favorite Number through IVR:

Call 555 and follow the instructions to change your existing favorite number and add a new number of your own choice, changing FAVORITE number will cost you Afs 20, each time.

Instruction:   SMS IVR Add Favorite Off-net No. Type A<space>number and send to 3378 Dial 555 and follow the instructions Delete Favorite Off-net No Type D<space> 93 followed by existing Favorite number and send to 3378 Dial 555 and follow the instructions Change Favorite Off-net No Delete existing and add a new No Dial 555 and follow the instructions Check Favorite Off-net No N/A Dial 555 and follow the instructions