User`s manual

Table Of Contents
SIP User's Manual A. Selected Technical Specifications
Version 5.0 335 October 2006
A Selected Technical Specifications
A.1 General Specifications
The General Specifications (show in Table A-1 below) apply to the Mediant 2000,
TP-1610 and TP-260 gateways. For the product-specific specifications, refer to:
Mediant 2000 (Section A.2 on page 337).
TP-1610 (Section A.3 on page 339).
TP-260 (Section A.4 on page 341).
Table A-1: General Selected Technical Specifications (continues on pages 335 to 336)
Function Specification
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 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 msec)
NetCoder at 6.4, 7.2, 8.0 and 8.8 kbps (20, 40, 60, 80, 100, 120 msec).
EVRC (20, 40, 60, 80, 100 msec).
AMR (20 msec)
Transparent (20, 40, 60, 80, 100, 120 msec)
GSM Full Rate (20, 40, 60, 80 msec)
Microsoft GSM (40 msec)
GSM-EFR (20 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)
NetCoder
Packet Loss Concealment
G.711 appendix 1
G.723.1
G.729 a/b
Echo Cancellation
G.165 and G.168 2000, configurable tail length per gateway from 32 to 128
msec
DTMF Detection and
Generation
Dynamic range 0 to -25 dBm, compliant with TIA 464B and Bellcore TR-NWT-
000506.
DTMF Transport (in-band)
Mute, transfer in RTP payload or relay in compliance with RFC 2833
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 and Modem Transport Modes
Real time Fax Relay
Group 3 real-time fax relay up to 14400 bps with auto fallback
Tolerant network delay (up to 9 seconds round trip delay)
T.30 (PSTN) and T.38 (IP) compliant (real-time fax)
CNG tone detection & Relay per T.38
Answer tone (CED or AnsAm) detection & Relay per T.38
Fax Transparency
Automatic fax bypass (pass-through) to G.711, ADPCM or NSE bypass mode