Tieline Technology Tieline Technology has been serving the broadcast Radio and Television markets since its inception in 1981. Tieline is a leading manufacturer of broadcast audio quality codecs and is focused on helping broadcasters to transition from circuit switched POTS, X.21 and ISDN technologies into packet switched IP technologies. Tieline has a global distribution network with offices in Australia, the USA and Europe and is renowned for its market-leading advances through research and development. Since 2005 Tieline has focused on shipping IP solutions over wired and wireless networks. Tieline codecs are SIP compliant and interoperable with Audio-via-IP Experts Group partners. In developing its range of hardware and software, Tieline consults widely with customers to provide integrated solutions that are seamless and personalized. Alliances with technology partners such as the Audio-via-IP Experts Group will create new opportunities through collaboration on synergistic technology requirements.