Appendix A: Meridian Modular Telephones Page 353 of 504Telephones and Consoles Description, Installation, and Operationkeyboard or personal computer. You can make voice calls using AT dialingfrom your terminal.Users of personal computers already equipped with a Hayes Smartmodem orusers who have a stand-alone Hayes Smartmodem can substitute the MPDAfor data integration. The Hayes dialing feature, when used with third partycommunication software and the digital telephone, will support most of theHayes Smartmodem features. Third party terminal emulation packages canalso be used with Hayes dialing.Features supported by the MPDA include:• enhanced Hayes commands, including upper- and lower case dialing,voice call origination through AT dialing, hang up data call, and on-linedisconnect of voice call• script file capabilities allow you to program multiple data resources forautomatic resource access• Voice Call Origination (VCO)HandsetsThis section provides information on Meridian Modular Telephone handsets.Table 58Codes for handsets for Meridian Modular Telephone sets, model NTZKDescription Order CodeLegacy handset, Black NT0C09EA03Legacy handset, Ash NT0C09EA35Legacy handset, Gray NT0C09EA93Note: Handsets designed for NT2K sets (Global handset) do not meetproduct transmission/reception specifications if used with NTZK sets.