Suitable professional analog telephone designed for the tertiary sector, equipped with the traditional telephone functions present in common PBX systems, suitable for simple and immediate use. Main features of the phone: caller identification; display of the name associated with the number in the phone book (storage of 50 contacts); backlit display with contrast adjustment; 10 one-touch memories plus 10 two-touch memories for direct numbers or system commands; direct callback of the last number selected; summary of the last calls made (the last 15) and received (the last 50) with the possibility of calling back; speakerphone with adjustable volume; Flash (with programmable duration); Break time; Mute; Clock; ringtone with selectable melody and volume, ringtone exclusion, multi-language support, operation without batteries or external power supply. "