The Interquartz Voyager offers all you need from a hotel telephone and particularly benefits from a large printable area to best display the hotelís details. It has a choice of 10 non-volatile memories and it comes with a built in modem port and six year warranty. – Triple standard message waiting (high voltage, reverse polarity & voltage drop). – 10 non-volatile memories. – Ringer indicator light. – Ringer volume & pitch adjustment. – Last number redial & Recall button. – Hearing aid compatible. – Wall mountable – no additional. – bracket required. – ELR/TBR switchable. – MF Only.