Vigor2820 v3.3.1.2 Release Note

[david]

New Features :
1. Support ISDN function.

Improvement
1. VOIP :
Add protect function for sending caller-ID with DTMF type for the character used is non-standard.
Add protection for SIP parser to prevent malicious UDP 5060 port attack.
Add a telnet cmd "dtmftonepwr" for adjusting the power level of the DTMF tone sending PSTN switch.
Support "ALL" interface in call barring.
Support call pickup (when act as a caller).
Improved: Danube DSP FXS on/offhook detection by using MPS driver.
Improved: Stability for FXO Port or PSTN Port ring detection.
Corrected: wrong RFC-2833 packet was sent out.
Corrected: SIP SUBSCRIBE message missing "Contact" header.
Corrected: VoIP can not change codec (driver layer).
Corrected: when a phone call is rejected (486 message), it still plays ring back tone.
Corrected: DND exception list malfunctioning.
Improved: SIP/SDP parser to handle complicate SDP content.
Improved: VOIP stability.
Improved: scenario for SIP ALG code for SIP client on WAN side registered to SIP server on LAN side.
Improved: Digit-Map function can use different prefix length but start with same digit rule..
Fixed: Problem of VoIP PSTN loopthrough in Phonebook and Digit Map.

2. 3G :
Improved: 3G reconnect stability, backup mode.
Corrected: unable to fetch 3G signal strength response.
Support SonyEricsson MD300 modem. Skip CSQ signal check.
Support Sierra 885/888 modem, DET-US3G5 modem, Cmotech D-50, and D-Link DWM-652 modem.

3. Wireless :
Set WPS client's default MAC address as 00-00-00-00-00-00 to avoid WUI display error.
Fixed: Problem that wireless clients are unable to get IP address from DHCP.

4. Others :
Corrected: IM-P2P can not block Vagaa application.
Corrected: WAN2 status not compatible with syslog utility 4.X.
Corrected: DDNS use WAN2 first fail.
Corrected: syslog can not sent out via VPN tunnel.
Corrected: ways of handling DNS port reply packet (a non DNS answer packet).
Corrected: IM-P2P mail alert malfunctions.
Improved: VPN mechanism to avoid sending unnecessary DPD echo/reply.
Improved: FTP server (active mode upload).
Improved: NAT loop back for SSH and FTP service.
Improved: handle protocol equal to zero packets.
Improved: PPTP WAN mechanism.
Improved: telnet command for flush nat portmaps; it maybe useful for some conditions portmapsetting –f.
Fixed: access control function can't be disabled in Wireless LAN>>Access Control.
Fixed: authentication failed with radius server: Vasco Middleware.
Modify daylight saving table for New Zealand.
Make telnet Call-log related command more robust to prevent reboot.
Rearrange the telnet command with alphabet order.



Vigor2820 v3.3.1.2(AnnexA modem code 211011 )