DrayTek has released new firmware for the Vigor 2820 series routers. These routers are suitable for passing ADSL2, ADSL2+, cable and VoIP connections. In the family include the Vigor 2820the Vigor 2820n and the Vigor 2820Vn. To download the firmware, a free registration on the DrayTek forum is required. The changelog of this release lists the following changes and improvements:
ADSL
- Corrected: Removed ADSL2/2+ Annex M support for auto mode in modulation due to the problem of compatibility.
VoIP
- Improved: Improve the telnet command to disable the VoIP service.
- Improved: DNS SRV support for Dray VoIP internal client (supporting SIP Proxy failover)
- Improved: SRV DNS query goes to WAN X(eg, 1, 2) if the corresponding account is registered via WAN X.
- Corrected: The minimum value is 48 seconds for the session-timer setting in VoIP >>Phone Settings.
3G Connection
- Improved: Support ZTE K3806 (0x19D2:0x1013) and ZTE MF192 (0x19D2:0x1514)
Bandwidth Management
- Improved: Add Bandwidth limit for VPN remote dial-in client.
- Improved: Add Bandwidth limit for VPN LAN to LAN traffic profile.
Others
- Corrected: Removed “Ultrasurf” from WUI.
- Corrected: Product registration failure.
- Corrected: Several VPN web and some web improvements such as adding “reset to factory default” link to user mode password page.
- Fixed: Data Flow Monitor doesn’t work well when Call/Data filter is disabled.
- Improved: Corrected a bug of the “NAT > address mapping” feature
- Improved: The default DHCP pool size is 150, was 50. You’ll need to load *.rst firmware to see this.
- Improved: Add new DDNS provider “UBDdns”.
- Improved: Add support for “static route to router-borne WAN” feature.
- Improved: Modified the existing feature “login customization”, now it has a bulletin feature.
- Improved: Support IP Routing subnet parameters (for TR-069).
| Version number | 3.3.7.2 |
| Release status | Final |
| Website | Draytek |
| Download | |
| License type | Freeware |