World Call, the WLL service provider has been offering this package that allows 60 Paisas per 30 seconds on all networks – and free unlimited on-net (World Call to World Call) calls and SMS . World Call is now offering roaming in 52 cities of Pakistan.
By the way, if you purchase a handset in Lahore, it will work fine in Faisalabad, Karachi or any other city that has World Call’s coverage.
Very briefly, let me mention it here that World Call is very openly violating single mobility rule, as per WLL license issued by PTA.
World Call is also offering handset (Mobile phone sized WLL Handsets), through their service centers

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Note:
No Line Rent for first 3 months
Rates are exclusive of taxes
Limited time Offer
Terms and Conditions apply
What you need to get a connection?
A photocopy of CNIC
A photocopy of latest Electricity bill
Rs. 3,000 (This 3,000 includes desktop set and Rs. 900 initial balance)
Need more help? call 111-111-965 or visit World Call Website

60 Paisas for 30 Seconds, All Networks: World Call