Gadgets TechnologySmartlink App: PTCL brings BIG NEWS fro PakistanisTNT DeskOctober 26, 2016October 26, 2016 by TNT DeskOctober 26, 2016October 26, 2016 ISLAMABAD – Use of landline number seems clearer in terms of voice quality and cost effectiveness but its static position cause interruption while you want...