, Master Clock Selection 1-8-33 ¦ +AN , PRT Channel Assignment 1-13-00 ¦ +AN , PRT Signal Format Selection 1-13-01 ¦ +AN , Clear Channel Selection 1-13-02 ¦ +AN , ISDN Trunk Directory Number Assignment 3-52 ¦ +AN ISDN DTMF Duration/Interdigit Selection 1-1-80 ¦ +BCT Trunk (Installed, DP/DTMF) Selection 3-92 ¦ +BCT Trunk Type Selection 3-91 ¦ +BCT Trunk Internal Transmit Pad Selection 3-29 ¦ +BCT Trunk Internal Receive Pad Selection 3-30 ¦ +BCT Trunk External Transmit Pad Selection 3-31 ¦ +BCT Trunk External Receive Pad Selection 3-32 ¦ +BTM Line Key Selection for Telephone Mode 4-12 ¦ +BTT CO/PBX Ring Assignment (Day Mode) 4-01 ¦ +BTT CO/PBX Ring Assignment (Night Mode) 4-02 ¦ +BTM Extension Line Key Ring Assignment (Day Mode) 4-37 ¦ +BTM Extension Line Key Ring Assignment (Night Mode) 4-38 ¦ +BA Access Code (1-, 2-, or 3-Digit) Assignment 1-1-46~48