• GXP2130 v2 – Quick Installation Guide
• GXP2160 – Quick Installation Guide
• GXP2135 – Quick Installation Guide
• GXP2170 – Quick Installation Guide
• GXP2140 – Quick Installation Guide

• GXP21xx Series – Administration Guide
• Grandstream Device Certificate Update Guide
• Firmware Upgrade Guide

• GXP21xx – Quick User Guide
• How to use Bluetooth Functionality
• GXP21xx Series – User Guide

• GXP Series – Security Guidelines

• SIP Device Provisioning Guide
• Configuration Templates (XML/TXT)
• XML Configuration File Generator User Guide
• DHCP Options (Linux Server) Guide
• DHCP Options (Windows Server) Guide

• GXP Series – XML Phonebook Guide
• LDAP Guide
• XML Phonebook Guide

• SNMP Guide
• 802.1x Authentication Guide
• TR-069 Guide
• VLAN Guide
• DNS SRV Guide
• Server Redundancy Guide

• GXP Series – Multicast Paging
• SIP Presence
• Advice of Charge (AoC) Guide
• CTI Guide

• How to configure Eventlist BLF
• Configuring BLF Guide
• VPK (Virtual Multi-Purpose Keys) Guide

• GXP21XX BroadWorks Xsi Directories and Call Logs
• GXP21XX BroadWorks IM&P Feature User Guide

• Connecting GDS37xx with GXP Phones

• GXP21xx Series – Headset Compatibility