User's Manual

Table Of Contents
3-4
BreezeACCESS Version 4.3 System Description
Manual Revision: 3.0
Voice/Fax (Subscriber Units with
voice support)
Telephony (Subscriber Units with
voice support)
IF Indoor – Outdoor Communication
(SU-A/E, AU-A/E-NI, AU-A/E-BS)
Parameter Value
Standard Compliance ITU-T H.323 Ver. 2 VoIP standard
Compression G.711 (A-Law and µ-Law) - 64 Kbps (transparent)
G.723.1 - 6.3 Kbps
G.729 - 8 Kbps (G.729, G.729 with Annex A and/or Annex B)
Silence Compression G.723.1 - Voice Activity Detection (VAD), G.729 - Annex B
Echo Cancellation ITU-T G.168 and G.131
Fax Transmission According to T.38 Protocol
Parameter Value
Call Progress Tones Selectable per country standard or user definable
Line Type Loop Start
On-hook Voltage -48 V
Ringer Voltage Min. 50 V r.m.s. unbalanced
Ringer Frequency Selectable: 17, 20, 25, 50 Hz
REN Max. 2
Off-hook DC current 30mA
Off-hook impedance 600 ohm or complex
Maximum input level +3 dBm
Cable length Max. 300 m, 26 AWG
Parameter Value
IF Frequency 440 MHz
IF Cable Impedance 50 ohm
Maximum IF Cable Attenuation 15 dB
Maximum IF Cable DC Resistance 1.5 ohm