Audio Specifications
Hardware Installation Guide
Mediatrix 4400 – Digital Gateway
33
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.
Silence detection/suppression level software adjustable.
DTMF Tone Detection
DTMF Tone Generation
Transport
TCP / UDP
Protocols
Group 3 Fax
Clear channel (G.711) or T.38 Real Time Fax Over IP protocol Stack
Fax Data Compression
MH
Fax Transmission
Up to 14.4 kbps
Table 15:
Fax Technical Specifications (Continued)
Parameter
Description
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 +2 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
Table 17:
DTMF Tone Generation
Parameter
Description
Per Frequency Nominal
-6 dBm to -4 dBm
Frequency Deviation
Less than 1%
Summary of Contents for Mediatrix 4401
Page 6: ...Contents vi Mediatrix 4400 Digital Gateway ...
Page 22: ...Chapter 2 Installation Hardware Installation 12 Mediatrix 4400 Digital Gateway ...
Page 40: ...Appendix B Cabling Considerations RJ 45 Cable 30 Mediatrix 4400 Digital Gateway ...
Page 46: ...Appendix C Standard Hardware Information Warranty 36 Mediatrix 4400 Digital Gateway ...
Page 50: ...Appendix D Glossary Wide Area Network WAN 40 Mediatrix 4400 Digital Gateway ...
Page 52: ...Appendix E List of Acronyms 42 Mediatrix 4400 Digital Gateway ...