User's Manual

Table Of Contents
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IPX-21SL Module (by project order)
The IPX-21SL module provides 2 FXO and 2 FXS interfaces; it can be installed on both slots of the IPX-2100,
IPX-2200 and IPX-2500. With the IPX-21SL module installed, it enables the IPPBX system with FXO to FXS lifeline
feature. When theres power failure, you may still use the analog phone to make and receive phone calls.
IPX-21MA Module (by project order)
The IPX-21MA (WCDMA) module provides 4 GSM/3G voice channels; it can be installed on IPX-2100, IPX-2200 and
IPX-2500 for making and receiving phone calls from the GSM/3G network. It is designed with SIM5320 series
module for global market, the SIM5320 is a dual-band WCDMA and quad-band GSM engine that works on
frequencies like UMTS 850MHz, UMTS 900MHz, UMTS 1900MHz, UMTS 2100MHz, GSM 850MHz, EGSM 900MHz,
DCS 1800MHz and PCS 1900MHz.
WCDMA modules for PLANET IP PBX series IPPBXs are only used for voice phone calls; they
CANNOT be used for data transmission from 3G network.