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Tone information

A TN748 is a tone detector A TN744 is an advanced Tone Detecter and provides additional tones used by ACDs. A TN2182x is a Tone-Clock, Tone Detector, and Call Classifier card all in one.


Facility test calls The facility test calls feature allows you to use a voice terminal to make test calls to specific trunks, time slots, tones, and tone receivers within the system. The test call verifies that the accessed component is functioning properly. To use this feature, it must be enabled on the Class of Restriction screen, and you must know the facility test call access code. The code can be retrieved by entering display feature-access-codes. It appears on page one of the screen output.

DTMR test call This call accesses and tests the dual-tone multifrequency receivers (DTMR-PTs) located on TN718, TN420, TN744, TN748, TN756, TN2182 and TN2312 tone detector circuit packs. These tone receivers are also known as touch-tone receivers (TTRs).Before making the test call, use list configuration to determine the location ofthe circuit packs that you want to test. All eight ports of circuit packs TN744, TN2182 and TN2312 are DTMR ports. All the other packs have just four DTMR ports: 01, 02, 05 and 06.

To place a tone receiver test call: 1. Dial the FAC described in the introduction to this section and listen for dial tone. 2. Dial the seven-digit port location UUCSSpp of one of the DTMR ports located on a Tone Detector circuit pack, where: 

       UU = Cabinet number (01 - 44 for PNs)
       C = Carrier number (A = 1, B = 2, C = 3, D =4, E = 5)
       SS = Slot number (01 - 20)
       pp = Port circuit number (01 - 24)

3. Listen for one of the following call progress tones. If you get...... Confirmation tone The DTMR is connected. Go to Step 4. Intercept tone The port entered is not a TTR or the board is not inserted (if a trunk, see above). Reorder tone The DTMR is in use (call processing), the board is busied out, or inter-PN resources are unavailable for the call. 4. Dial the sequence 1234567890*#. If the sequence is entered and received correctly, dial tone is returned and another test call can be made. If the test fails, intercept tone is returned. A failure may indicate a faulty DTMR port or circuit pack, a faulty voice terminal, or an error in the entry of the sequence. 5. To test another DTMR, repeat Steps 2 through 4. 6. To terminate the test call, hang up the station set used for testing.


This is a bit confusing, but ill try and Identify where some of these numbers come from. Looking at a summary measurement, the bottom half of the screen shows "Total Available". This number comes from a combination of boards.

In this interval shown below it tells us that DTMF "peak required" is 15. As you can see we have a total of 76 available. For CC-TTR and CC-CPTR the peak is 6 each (12), we have 232 available. _________________________________________________________________

list measurements tone-receiver summary last-hour

Switch Name: NEDH-G3R Date: 9:16 am WED MAY 19, 2010 

                      TONE RECEIVER SUMMARY MEASUREMENTS

Meas Total Peak Total Peak Total Peak Hour Type Req Req Queued Queued Denied Denied

800 DTMF 3612 15 0 0 0 0 800 GPTD 0 0 0 0 800 CC-TTR 133 6 0 0 0 0 800 CC-CPTR 229 6 0 0 800 CC-MFCR 0 0 0 0 

     TR Type          Total Avail        Capabilities

     DTMR-PT             76               DTMF
     GPTD-PT             38               GPTD
     CLAS-PT              0                DTMF,CC-TTR,CC-CPTR,MFCR
     ETR-PT               232              DTMF,CC-TTR,CC-CPTR,MFCR,GPTD

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Older style boards, TN 748's provide 6 ports, 4 are used for DTMF functions and 2 are used for GPTD. We have 19 of these type boards. 19 x 4 ports = 76 (DTMR-PT 76 DTMF) 19 x 2 ports = 38 (GPTD-PT 38 GPTD)

01C00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 01D00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 02C00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 02D00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 03B00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 03C00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 04B00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 04C00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 05B00 TONE DETECTOR TN748D 000001 01 02 03 05 06 07 05C00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 06A02 TONE DETECTOR TN748D 000003 01 02 03 05 06 07 06B00 TONE DETECTOR TN748D 000007 01 02 03 05 06 07 09B00 TONE DETECTOR TN748D 000002 01 02 03 05 06 07 09C00 TONE DETECTOR TN748D 000007 01 02 03 05 06 07 10B00 TONE DETECTOR TN748D 000007 01 02 03 05 06 07 10C00 TONE DETECTOR TN748D 000007 01 02 03 05 06 07 11A17 TONE DETECTOR TN748C 000005 01 02 03 05 06 07 11B01 TONE DETECTOR TN748C 000005 01 02 03 05 06 07 13A03 TONE DETECTOR TN748D 000007 01 02 03 05 06 07 _________________________________________________________________

The newer types of boards support different functions and have 8 ports available on them. We have a total of 28 boards. 28 x 8 ports = 232 (ETR-PT 232 DTMF,CC-TTR,CC-CPTR,MFCR,GPTD)

07A00 TONE/CLOCK TN2182B 000004 01 02 03 04 05 06 07 08 08A00 TONE/CLOCK TN2182C 000004 01 02 03 04 05 06 07 08 12A00 TONE/CLOCK TN2182B 000003 01 02 03 04 05 06 07 08 13A00 TONE/CLOCK TN2182B 000001 01 02 03 04 05 06 07 08 14A00 TONE/CLOCK TN2182B 000004 01 02 03 04 05 06 07 08 15A00 TONE/CLOCK TN2182C 000002 01 02 03 04 05 06 07 08 17A00 TONE/CLOCK TN2182B 000001 01 02 03 04 05 06 07 08 18A00 TONE/CLOCK TN2182C 000002 01 02 03 04 05 06 07 08 23A00 TONE/CLOCK TN2182C 000002 01 02 03 04 05 06 07 08 05D00 CALL CLASSIFIER TN744C 000003 01 02 03 04 05 06 07 08 09D00 CALL CLASSIFIER TN744C 000004 01 02 03 04 05 06 07 08 12C01 CALL CLASSIFIER TN744E 000012 01 02 03 04 05 06 07 08 01A00 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 01B01 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 02A00 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 02B01 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 09A00 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 09B01 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 10A00 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 10B01 IP SERVER INTFC TN2312BP HW12 FW044 01 02 03 04 05 06 07 08 20A01 IP SERVER INTFC TN2312BP HW12 FW021 01 02 03 04 05 06 07 08 21A01 IP SERVER INTFC TN2312BP HW15 FW031 01 02 03 04 05 06 07 08 22A01 IP SERVER INTFC TN2312BP HW15 FW044 01 02 03 04 05 06 07 08 24A01 IP SERVER INTFC TN2312BP HW15 FW030 01 02 03 04 05 06 07 08 26A01 IP SERVER INTFC TN2312BP HW28 FW040 01 02 03 04 05 06 07 08 27A01 IP SERVER INTFC TN2312BP HW30 FW050 01 02 03 04 05 06 07 08 27B01 IP SERVER INTFC TN2312BP HW28 FW044 01 02 03 04 05 06 07 08 28A01 IP SERVER INTFC TN2312BP HW15 FW044 01 02 03 04 05 06 07 08 28B01 IP SERVER INTFC TN2312BP HW25 FW044 01 02 03 04 05 06 07 08

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MEASUREMENT-TYPE DEFINITION

DTMF Dual Tone MultiFrequency (Receiver) GPTD General Purpose Tone Detectors CC-TTR Call-Classifier Touch-tone Receiver/detector CC-CPTR Call-Classifier Call-Progress Tone Receiver/detector CC-MFCR Call-Classifier MultiFrequency Compelled Receivers

MEASUREMENT-TYPE and FUNCTION

DTMF - Detects dual tone digits to support touch-tone dialing. Supports Subnet Trunking, Terminal Dialing, Abbreviated Dialing, Last Number Dialed, and Call Prompting features. GPTD - Detects call-progress tones (monitoring specific frequency bands): dial-tone, busy, reorder, intercept, high & dry (via timeout), SIT tones, and modem answer-back tones. Note: Dial-tone detection requested for subnet trunking and dependent features, (e.g. ARS, AAR, UDP); for terminal dialing, abbv. dialing and dependent features; transmission test tones, and noise, (e.g. far-end answer/non-classifiable energy), interprets voice-band energy or absence of ringing (e.g. used for OCM/SMDR). CCTTR - A resource distinguished from DTMF capability of CC port. More sophisticated; used in end-to-end TT detection. Requested for: Call Prompting feature, (e.g. digit collection). CC-CPTR - A resource distinguished from GPTD capability of CC port. More sophisticated call-progress tone detection and answer detection. Requested for: 

                                                            -  dial-tone detection for OCM.
                                                            -  answer-detection used for OCM, CDR, CallVisor ASAI.
Note: Port inserted onto trunk call when "Answer-Supervision by Call Classifier" is optioned and the TG has Answer-Supervision Timeout disabled.

CC-MFCR - MFC detection. Used with Int'l facilities.

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