• GXP1610(P)/GXP1615 – Quick Installation Guide
• GXP1620/1625 – Quick Installation Guide
• GXP1628 – Quick Installation Guide
• GXP1630 – Quick Installation Guide

• GXP16xx Series – Administration Guide
• Firmware Upgrade Guide

• GXP16xx – Quick User Guide
• GXP16xx Series – User Guide

• GXP Series – Security Guidelines

• Plug & Play Mechanism
• 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

• Configuring BLF Guide
• How to configure Eventlist BLF

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

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

• GXP16xx Series – Headsets Compatibility

• Connecting GDS37xx with GXP Phones