Grameen Phone Sim Lowest call rate

1 sec pulse
Prepaid Price Plan
Make and Receive Calls from any phone (Mobile, PSTN,ISD)
Electronic and Scratch Card Based Recharge
Data Service (EDGE P1/P2/P3/P4/P5/P6/P7)
10% instant bonus amount on minimum BDT 50 of Recharge
Full Connectivity (Incoming/Outgoing/BTCL with Local, NWD, ISD, and Economy ISD)
Instant balance checking option by dialing *566#
Instant bonus checking option by dialing *566*2#
24hrs. Customer Service through 121 hotline for all GPPP subscribers
Recharge facilities through Scratch Card and any Flexiload points
Short Messaging Service (SMS)
Multimedia Messaging Service (MMS)
Internet browsing facility with EDGE P1/P2/P3/P4/P5/P6/P7
Welcome Tune, Ringtones, etc.
Voice SMS
Pay for Me
Missed Call Alert (MCA)
Voice Mail Box
Health Line Service by dialing 789
For GPPP ERS subscribers, free ERS service hotline 155 and 1200
Other GSM feature like Caller ID, Call Waiting, Call Conference, Call Barring, etc.
Discount facility at various thankyou partner outlet

More: http://www.grameenphone.com/business/packages-information/gppp