DrayTek heeft nieuwe firmware beschikbaar gesteld voor de Vigor 2820-series routers. Deze routers zijn geschikt voor het doorgeven van adsl2-, adsl2+-, kabel- en voip-verbindingen. In de familie zitten onder andere de Vigor 2820, de Vigor 2820n en de Vigor 2820Vn. Om de firmware te kunnen downloaden, is een gratis registratie op het forum van DrayTek nodig. Het changelog van deze release maakt melding van de volgende veranderingen en verbeteringen:
ISDNVoIP
- Corrected: Call barring failure for ISDN on-net call.
- Corrected: Ringing FXS1 & FXS2 failure for ISDN broadcast loopthrough call.
- Corrected: Four calls are in ISDN1-S0 & ISDN2-S0.If ISDN1-S0 & ISDN2-S0 hang up, the router will reboot
VPN
- Corrected: VoIP compatibility issue with proxy server (Vodafone.sip in Germany)
- Fixed: A call hold related bug.
Wireless
- Corrected: Compatibility issue with SonicWall VPN client.
- Fixed: Passthrough session was reset because of ICMP "Fragmentation needed" packet received.
- Improved: Support VPN chart in Syslog.
3G Connection
- Fixed: Wireless time schedule does not work.
- Fixed: New wireless client cannot connect after forcing down WLAN schedule works.
4G Connection
- Improved: Support Huawei E173
TR-069
- Improved: Support Sierra 320U, LTE modem and so on.
Others
- Improved: Add TR-069 parameters for VigorACS SI in Firewall setting.
- Corrected: TR-069 configurations disappear after upgrading firmware from v3.3.5.3 to v3.3.7
- Improved: Add a Telnet command to disable one of the DHCP server options (telnet command: srv dhcp primWINS).
- Improved: Remove ISDN wording on Web UI when using non-ISDN models.
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