VIP DTA User Guide (attachment) May 06, 2022 22:32 Updated VIP DTA User Guide (attachment) Please see attachment Grandstream website: https://www.grandstream.com/hubfs/Product_Documentation/ht812_quick_installation_guide.pdf?hsLang=en SEE ATTACHMENTS HT812_user_guide.pdf 500 KB Download Related articles T53 Guide VIP - Using SNAP Builder CX400 Guide / T46S T54 Guide Headset Warranty Info