Post Tagged with: "Azizabad Karachi Telephone Exchange"

PTCL Azizabad Karachi Telephone Exchange Switches over to NGN Technology

PTCL Azizabad Karachi Telephone Exchange Switches over to NGN Technology

News September 27, 2011 at 6:44 AM 3 comments

KARACHI (September 26, 2011) : Pakistan Telecommunication Company Limited (PTCL) is upgrading its telephone exchanges from Time Division Multiplexing (TDM) based technology to latest Next Generation Network (NGN) technology.