The OpenPhone 61 has a 30-character graphic display as well as eight function keys that have been permanently programmed and five that are freely programmable.
The OpenPhone 63 has a four-line graphic display, eight permanently programmed and five freely programmable function keys with an LED, plus three multi-functional keys (“softkeys”) with an LED.
The 11-line graphic display of the OpenPhone 65 ensures a constant overview of the entire team and facilitates competent management of the internal phonebook, call lists and switching functions.