CTI, Established since 1969 and situated in Islamabad the capital city of Pakistan, CTI is ISO 9001-2000 certified, fully owned Subsidiary of Siemens. CTI is engaged in the business of Development, Manufacture, Supply, Installation, and Customer Support of Multiplexing and Transmission Systems for Backbone, Access, Cellular Mobile and Wireless Local Loop Telecommunication Networks. CTI also provides turnkey IT Solutions including LAN / WAN, Customized Software Development and Call Centers to Corporate Clients and Government Institutions.