Samsung Phone PDCSLCD12B "letter 3rd" Questions

...0, 0. on the extension you want to program. Press the "left" Intercom button and enter the name you want it to be the letter "F" would be 3,3 (the letter F is on the # 3 key and it is the 3rd

...letter D on the keypad followed by plus on the volume until it says DS. When it says DS press the 3rd grey key beneath the screen followed by the extension number. EG DS255. Once you have done this ...