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Grandstream Networks, Inc. GXP21xx User Manual Page 1 of 41

Firmware version: 1.0.1.66 Last Updated: 05/2011

TABLE OF CONTENTS

GXP21XX USER MANUAL

WELCOME .......................................................................................................................................................... 3

INSTALLATION ................................................................................................................................................. 4

EQUIPMENT PACKAGING ...................................................................................................................................... 4

CONNECTING YOUR PHONE .................................................................................................................................. 4

GXP2120/2110 EXTENSION UNIT ......................................................................................................................... 4

SAFETY COMPLIANCES ......................................................................................................................................... 6

WARRANTY ......................................................................................................................................................... 6

PRODUCT OVERVIEW ..................................................................................................................................... 7

USING THE GXP21XX SIP ENTERPRISE PHONE ....................................................................................... 11

GETTING FAMILIAR WITH THE LCD .................................................................................................................... 11

MAKING PHONE CALLS ...................................................................................................................................... 13

ANSWERING PHONE CALLS ................................................................................................................................ 16

PHONE FUNCTIONS DURING A PHONE CALL ........................................................................................................ 17

CALL FEATURES ................................................................................................................................................ 19

CUSTOMIZED LCD SCREEN & XML ................................................................................................................... 19

CONFIGURATION GUIDE ................................................................................................................................ 20

CONFIGURATION VIA KEYPAD............................................................................................................................ 20

CONFIGURATION VIA WEB BROWSER ................................................................................................................ 23

SAVING THE CONFIGURATION CHANGES ............................................................................................................. 38

REBOOTING THE PHONE REMOTELY.................................................................................................................... 38

SOFTWARE UPGRADE & CUSTOMIZATION ............................................................................................. 39

FIRMWARE UPGRADE THROUGH TFTP/HTTP ..................................................................................................... 39

CONFIGURATION FILE DOWNLOAD ..................................................................................................................... 40

RESTORE FACTORY DEFAULT SETTING .................................................................................................. 41

TABLE OF FIGURES

GXP21XX USER MANUAL

Figure 1: Connecting the GXP2120/2110 and the GXP Extension Board ..................................... 5

Figure 2: Keypad GUI Flow ....................................................................................................... 21

TABLE OF TABLES

GXP2120 USER MANUAL

Table 1: Equipment Packaging ................................................................................................... 4

Table 2: GXP21xx Connectors .................................................................................................... 4

Table 3: GXP21xx Product Models ............................................................................................. 7

Table 4: GXP21xx Comparison Guide ........................................................................................ 7

Table 5: GXP21xx Key Features in a Glance .............................................................................. 8

Table 6: GXP21xx Hardware Specifications ................................................................................ 8

Table 7: GXP21xx Technical Specifications ................................................................................ 9

Table 8: LCD Buttons ............................................................................................................... 11