SIP User's Manual 568 Document #: LTRT-12801
MP-500 MSBG
Function Specification
FXS Functionality
FXS Capabilities
 4 FXS interfaces per FXS module.
 (Optional) Analog Lifeline per FXS module (on FXS Port 1), maintaining
PSTN connectivity upon power failure. For the combined FXS/FXO
configuration, one Lifeline is available; for the 12-FXS configuration, up
to three Lifelines are available.
 Short or long haul, up to 3,000 m (10,000 ft.), using a 24-AWG line cord
 Caller ID generation: Bellcore GR-30-CORE Type 1 using Bell 202 FSK
modulation, ETSI Type 1
 Polarity Reversal and Wink signals generation
 Message waiting indication - DC voltage generation (TIA/EIA-464-B)
with 50% duty cycle, V23 FSK data, stutter dial tone and DTMF based
 Configurable ringing signal: up to four cadences and frequency 10 to
200 Hz.
 Distinctive Ringing: by frequency (15-100 Hz) and cadence patterns.
FXO Functionality
FXO Capabilities
 4 FXO interfaces per FXO module.
 Loop-start signaling.
 Short or long haul, up to 7,000 m (24,000 ft.), using 24 AWG line cord.
 Far-end disconnect detection.
 Caller ID Detection: Bellcore GR-30-CORE Type 1 using Bell 202 FSK
modulation, ETSI Type 1.
 Polarity Reversal and Wink signal detection.
Voice & Tone Characteristics
Voice Compression
 G.711 PCM at 64 kbps μ-law/A-law
 G.723.1 MP-MLQ at 5.3 or 6.3 kbps
 G.729 CS-ACELP 8 kbps Annex A / B
Max. Voice Channels
Maximum of 12 analog voice channels (depending on hardware
configuration)
Silence Suppression
 G.723.1 Annex A
 G.729 Annex B
 PCM and ADPCM - Standard Silence Descriptor (SID) with Proprietary
Voice Activity Detection (VAD) and Comfort Noise Generation (CNG)
Packet Loss
Concealment
G.711 appendix 1; G.723.1; G.729 a/b
Echo Canceler
G.165 and G.168 2000, 128 msec tail length
DTMF Transport (in-
band)
Mute, transfer in RTP payload or relay in compliance with RFC 2833
DTMF Detection and
Generation
Dynamic range 0 to -25 dBm, compliant with TIA 464B and Bellcore TR-
NWT-000506
Call Progress Tone
Detection and
Generation
16 tones: single tone, dual tones or AM tones, programmable frequency
and amplitude; 64 frequencies in the range 300 to 1980 Hz; 1 to 4
cadences per tone; up to 4 sets of ON/OFF periods.
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