User`s manual

Mediant 1000
H.323 User's Manual 376 Document #: LTRT-83401
Table A-1: Mediant 1000 Functional Specifications (continues on pages 375 to 377)
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 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 msec)
NetCoder at 6.4, 7.2, 8.0 and 8.8 kbps (20, 40, 60, 80, 100, 120 msec).
Microsoft GSM (40 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, 64 msec
Gain Control
Programmable
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
32 tones: single tone, dual tones or AM tones, programmable frequency &
amplitude; 64 frequencies in the range 300 to 1980 Hz, 1 to 4 cadences per tone,
up to 4 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
Fax/Modem Relay
Fax Relay
Group 3 fax relay up to 14.4 kbps with auto fallback
T.30 (PSTN) and T.38 (IP) compliant, real time fax relay
Tolerant network delay (up to 9 seconds round trip)
CNG tone detection & Relay per T.38
Answer tone (CED or AnsAm) detection & Relay per T.38
Fax Transparency
A
utomatic fax bypass (pass-through) to G.711, ADPCM or NSE bypass mode
Modem Transparency
Auto switch to PCM or ADPCM on V.34 or V.90 modem detection
Automatic switching (pass-through) to PCM, ADPCM or NSE bypass mode for
modem signals (V.34 or V.90 modem detection)
Protocols
VoIP Signaling Protocol
H.323 ITU, Version 4
Communication
Protocols
RTP/RTCP packetization.
IP stack (UDP, TCP, and RTP).
Remote Software load (TFTP, HTTP and HTTPS).
Telephony Protocols PRI (ETSI Euro ISDN, ANSI NI2, 4/5ESS, DMS 100, QSIG, Japan INS1500,
A
ustralian Telecom, New Zealand Telecom, Hong Kong Variant, Korean MIC)
E1/T1 CAS protocols: MFC R2, E&M wink start,
Immediate start, delay start, loop start, ground start,
Feature Group B, D for E1/T1
In-Band Signaling DTMF (TIA 464A)
MF-R1, MFC R2
User-defined Call Progress Tones
Line Signaling Protocols
Loop start and Ground start