MP-1xx SIP User’s Manual 12. Selected Technical Specifications
Version 4.4 191 March 2005
12 Selected Technical Specifications
Table 12-1: MP-1xx Selected Technical Specifications (continues on pages 191 to 193)
MP-1xx/FXS Functionality
Short or Long Haul:
MP-10x/FXS: up to 15k feet (4,600 m) using 24 AWG line cord.
up to 24k feet (7,300 m) using 26 AWG line cord.
MP-124/FXS: up to 10k feet (3,000 m) using 24 AWG line cord.
Note: The lines were tested under the following conditions: ring voltage greater than
30 Vrms, offhook loop current greater than 20 mA.
MP-104 and MP-108 (special order option, using different assembly), includes
lightning and high voltage protection for outdoor operation.
Caller ID generation: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation,
ETSI Type 1, NTT, Denmark, India, Sweden, Brazil, British and DTMF ETSI CID
(ETS 300-659-1).
Programmable Line Characteristics: Battery feed, line current, hook thresholds, AC
impedance matching, hybrid balance, Tx & Rx frequency response, Tx & Rx Gains.
Programmable ringing signal. Up to three cadences and frequency 10 to 200 Hz.
Drive up to 4 phones per port (total 32 phones) simultaneously in offhook and Ring
states.
MP-124 REN = 2
MP-10x REN = 5
Over-temperature protection for abnormal situations as shorted lines.
FXS Capabilities
Loop-backs for testing and maintenance.
MP-10x/FXO Functionality
Short or Long Haul up to 24k feet (7,300 m) using 24 AWG line cord.
Includes lightning and high voltage protection for outdoor operation.
Programmable Line Characteristics: AC impedance matching, hybrid balance, Tx &
Rx frequency response, Tx & Rx Gains, ring detection threshold, DC characteristics.
FXO Capabilities
(does not apply to MP-102 and
MP-124)
Caller ID detection: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation,
ETSI Type 1, NTT, Denmark, India, Sweden, Brazil, British and DTMF ETSI CID
(ETS 300-659-1).
Voice & Tone Characteristics
Voice Compression
G.711 PCM at 64 kbps µ-law/A-law (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.723.1 MP-MLQ at 5.3 or 6.3 kbps (30, 60, 90, 120, 150 msec)
G.726 at 32 kbps ADPCM (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.729 CS-ACELP 8 Kbps Annex A / B (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
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, 25 msec with extension to 40 msec
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 or dual tones, programmable frequency & amplitude; 15
frequencies in the range 300 to 1980 Hz, 1 or 2 cadences per tone, up to 2 sets of
ON/OFF periods.
Output Gain Control
-32 dB to +31 dB in steps of 1 dB
Input Gain Control
-32 dB to +31 dB in steps of 1 dB
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