User's Manual
SME VoIP System Guide, Version 1.5
Proprietary and Confidential
Chapter: Introduction – System Overview
13
administrator. These logs can be used to troubleshoot the system when the system faces unforeseen
operational issues.
2.2.3 RTX Wireless Handset
The handset is a lightweight, ergonomically and portable unit compatible with Wideband Audio (G.722),
DECT, GAP standard, CAT-iq vb & ve-profile compliant.
The handset includes Colour display with graphical user interface. It can also provide the subscriber with
most of the features available for a wired phone, in addition to its roaming and handover capabilities. Refer
to the relevant handset manual for full details handset features.
2.3 Wireless Bands
The bands supported in the SME VoIP are summarized as follows:
Frequency band: 1880 – 1930 MHz (DECT)
1880 – 1900 MHz (10 carriers) Europe/ETSI
1910 – 1930 MHz (10 carriers) LATAM
1920 – 1930 MHz (5 carriers) US
Other frequency bands can be customized via Base station low-level debug programming.
2.4 System Capacity (in Summary)
SME network capacity of relevant components can be summarised as follows:
Description
Capacity
Min ## of Bases Single Cell Setup
1
Max ## of Bases in Multi-cell Setup
40
Single Cell Setup: Max ## of Repeaters
3 per Base station
Multi-cell Setup: Max ## of Repeaters
3x40=120
Max ## of Users per Base
30
Max ## of Users per SME VoIP System
30x40=1200 (limited to 200)
Multi-cell Setup: Max ## of Synchronisation levels
6
Multi-cell Setup: Max ## of Users
8
Max ## Simultaneous Calls (Single Cell)
10 per Base station
Max ## Simultaneous Calls (Multi-cell Setup)
8x40=320 call sessions
Quick Definitions-
Single Cell Setup: SME telephony network composed of one base station
Multi-cell Setup: Telephony network that consists of more than one base stations
Synchronisation Level: Is the air core interface between two base stations.