• HT801 V2 – Quick Installation Guide
• HT802 V2 – Quick Installation Guide
• HT812 V2 – Quick Installation Guide
• HT814 V2 – Quick Installation Guide
• HT818 V2 – Quick Installation Guide
• HT801 – Quick Installation Guide
• HT802 – Quick Installation Guide
• HT812 – Quick Installation Guide
• HT814 – Quick Installation Guide
• HT818 – Quick Installation Guide

• HT80x V2 – Administration Guide
• HT81x V2 – Administration Guide
• HT80x – Administration Guide
• HT812/HT814 – Administration Guide
• HT818 – Administration Guide
• Firmware Upgrade Guide
• Grandstream Device Certificate Update Guide

• HT80x V2 – User Guide
• HT81x V2 – User Guide
• HT80x – User Guide
• HT812/HT814 – User Guide
• HT818 – User Guide

• HT801 – Quick User Guide
• HT802 – Quick User Guide
• HT81x – Quick User Guide

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

• HT8xx – Security Guidelines
• HT8xx / GXW42xx – User-Level Access Management

• Peering HT8xx with HT813
• Peering HT8xx With GXW41xx
• Peering HT8xx With HT841/HT881
• GXW42xx/HT8xx Alarm System Guide

• SNMP Guide
• TR-069 Guide
• VLAN Guide
• DNS SRV Guide

• Grandstream Security Bulletin GS20-HT8XX001 – Important
• ATAs Datasheet Power Consumption