Eleven industry suppliers took part in a recent interoperability testing event at CableLabs (www.cablelabs.com) that focused on progress being made around wideband high-definition voice. CableLabs also has signed a collaboration agreement with the Digital Enhanced Cordless TelecommunicationsForum.CableLabs has adopted the DECT Cordless Advanced Technology – Internet and Quality (CAT-iq) specifications as part of its PacketCable HD Voice initiative.During the interop event held Dec. 6-10 at CableLabs, the companies exhibited interoperability between handsets and base stations. A number of wideband HD voice calls were successfully made using different components from various suppliers. HD voice technology doubles the transmitted bandwidth of one's voice by capturing twice the speech information of a standard phone call.The interop specifically addressed DECT CAT-iq 2.0 technology, designed to enhance quality of digital voice increasing engagement for both consumer and business voice. Participating suppliers were Binatone, BroadSoft, CCT, DSP Group, Lantiq, Panasonic, RTX, Samsung, SMC Networks, Technicolor and VTech.