TA7102 Hardware Installation
46
153/1531-ANF 901 14 B 2017-03-08
7.6
AUDIO SPECIFICATIONS
Software-adjustable dynamic and static jitter buffer protection.
Programmable by country: Call progress tone generation including dial tone, busy tone, ringback and
error tones.
DSP-based echo control device.
Silence detection/suppression level software adjustable.
7.7
DTMF TONE DETECTION
Table 16:
DTMF Tone Detection
Parameter
Description
16-Digit DTMF Decoding
0 to 9, *, #, A, B, C, D
Permitted Amplitude Tilt
High frequency can be +4 dB to -8 dB relative to low frequency
Dynamic Range
-35 dBm to +3 dBm per tone
Frequency Accept
± 1.5% of nominal frequencies
Minimum Tone Duration
40 ms
Interdigit Timing
Detects like digits with a 40 ms interdigit delay
7.8
DTMF TONE GENERATION
Table 17:
DTMF Tone Generation
Parameter
Description
Per Frequency Nominal
-6 dBm to -4 dBm
Frequency Deviation
Within 1.5% of nominal values