Grandstream GXV3175 User Manual User Manual
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FIRMWARE VERSION 1.0.3.76 GXV3175 USER MANUAL Page 13 of 139
dialing on off-hook, automatic answering, call records, volume control,
voice message waiting indicator, downloadable custom ring tone,
switchable handset/headset/speaker during call.
Caller ID（Privacy）
Private header support for anonymous calls.
Firmware Upgrade
- Configuration file authentication (before accepting changes).
- TFTP/HTTP/HTTPS upgrade support, allows users to specify different
URLs for the server to download from.
Advanced Server Features
DNS SRV support, SIP server failure transfer, message waiting indicator
and custom screensaver.
Security
- MD5 and MD5-sess DIGEST encoding and authentication.
- Security protection: SIP over TLS and SRTP.
- Support for TR-069.
- Support for OpenVPN for increased security and control.