Instruction manual
Page 1280 of 3156 Digital Trunk Interface – Commonwealth of Independent States
553-3001-306 Standard 10.00 January 2002
LD 56 – Configure the dial tone.
Prompt Response Description
REQ NEW CHG New or change.
TYPE DTAD Special dial tone after dialed number.
DDGT 9 Use “9” as the outgoing local access code.
TONE SRC1 Dial tone to be provided after the dialed digit 9 (Source
Tone 1).
...
REQ NEW CHG New or change.
TYPE FTC Flexible Tones and Cadences data block.
TABL 0-31 FTC table number.
DFLT 0-31 Default FTC table.
...
SRC YES Change Source Tones (SRC1-SCR8).
SRC1 Source Tone 1.
TDSH 0 0 0 3 Tone number 3 on QPC609 provides 400 Hz, -23 db.
XTON 159 NT8D17 TDS tone code: 420 Hz, -25 db, A-law.
XCAD 0 NT8D17 cadence code for FCAD (steady tone).