Grandstream Networks ENTERPRISE GXP2020 User Manual
Page 12
Grandstream Networks, Inc.
GXP User Manual
Page 12 of 44
Firmware 1.2.5.3
Last Updated: 03/2011
(attended/blind), call forward, call waiting, caller ID, mute, redial, call log, caller ID display or
block, Do-Not-Disturb (DND) and volume control
Multi-party conferencing (up to 5), dial plan prefix, off-hook auto dial, auto answer, early dial
and speed dial (on some models)
Network and
Provisioning
Via keypad/LCD, Web browser, or secure (AES encrypted) central configuration file, manual
or dynamic host configuration protocol (DHCP) network setup
Support NAT traversal using IETF STUN and Symmetric RTP
Support for IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS
Firmware
Upgrades
Support firmware upgrade via TFTP or HTTP,
Support for Authenticating configuration file before accepting changes
User specific URL for configuration file and firmware files
Advanced
Server
Features
Message waiting indication, support DNS SRV Look up and SIP Server Fail Over, Support
customizable idle screen via downloading XML by HTTP/TFTP
Security
DIGEST authentication and encryption using MD5 and MD5-sess, SRTP