Atcom Action URL and Active URI-EN.pdf
ATCOM Multicast Paging User Manual-EN.pdf
ATCOM OpenVPN User Manual-EN.pdf
ATCOM XML Remote Phonebook User Manual-EN.pdf
Format for atcom remote phonebook
Atcom Auto Provision User Manual.zip
(The download file includes auto provision configuration files Common.cfg and MAC.cfg and guide document)
This is for A20,A21,A26,A20W IP phone:
This is for A20WAC IP phone: