tiptel Htek UC46 Tiptel Htek UC46 is an expansionset for the tiptel Htek UC924 and UC926 IP-Phones. It needs to be plugged at the Computer-port, maximum number of plugged-in modules is limited at 6.It brings 40 multifunctional buttons at two levels. It´s possible to quick-switch between the two levels. Every button comes with two-colored LED. The buttons can be programmed with computer.If there are more then one module plugged in, it is neccessary to use a PSU, wich is included.