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Grandstream Networks, Inc. GXV300x User Manual Page 8 of 54
Firmware 1.2.3.7 Updated: 12/2010
caller ID, 3-way conferencing, redial, dial plans, off-hook auto dial, auto answer, early
dial, speed dial , call log, and volume control, Visual voice mail indicator, audio mute &
camera block (for privacy), downloadable custom ring-tones
Caller ID (Privacy)
Support for anonymous call using privacy header
Firmware Upgrades
Support for Authenticating configuration file before accepting changes;
Support firmware upgrade via TFTP or HTTP, Allow user to specify different URL for
configuration file and firmware files
Advanced Server
Features
Support DNS SRV Look up and SIP Server Fail Over, Visual message waiting indica-
tion, Support customizable idle screensaver
Security
DIGES
T authentication and encryption using MD5 and MD5
-
sess
Secure signaling (SIP over TLS, pending) and secure voice/video communication
(SRTP).