User`s manual

Version 5.4 561 May 2008
SIP User's Manual 16. Selected Technical Specifications
16.2 Mediant 600
The table below lists the main technical specifications of the Mediant 600.
Table 16-2: Mediant 600 Functional Specifications
Function Specification
Interfaces and Capacity
E1/T1/J1 Digital
Modules
 1 or 2 E1/T1/J1 spans using RJ-48c ports
 1 Fractional E1/T1/J1 (15 DS0) span using RJ-48c port (Balanced
120/100 Ohm)
 Optional 1+1 PSTN/Lifeline fallback
BRI Digital Modules
4 or 8 BRI ports (RJ-45 ports) with S/T interfaces (4 BRI ports per
module), providing up to 16 calls
Voice & Tone Characteristics
Voice Compression
G.711 PCM at 64 kbps µ-law/A-law; EG.711 µ-law/A-law at 64 kbps;
G.723.1 MP-MLQ at 5.3 or 6.3 kbps; G.726 at 32 kbps ADPCM; G.729
CS-ACELP 8 Kbps Annex A / B; NetCoder at 6.4, 7.2, 8.0 and 8.8 kbps;
iLBC; 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
Configurable
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 automatic 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
Automatic fax bypass (pass-through) to G.711, ADPCM or NSE bypass
mode