SciencePTCL introduces new Vfone line rentsYasir AmeenMarch 2, 2012March 2, 2012 by Yasir AmeenMarch 2, 2012March 2, 2012 Karachi: Â Pakistan Telecommunication Company Limited (PTCL) has introduced new line rents for unlimited use of Vfone to Vfone and Vfone to PSTN calls for...