************************************************************************
    Release Notes for Vigor2600V Series

    Firmware Version    : 2.5.8.3 (UK Version Only)
    ADSL Firmware       : 41E2BE2C (Regular UK Firmware
                          43E2EAA1 (UK2 for high dB only)
    Release Date        : 22nd August 2006
    Build Date          : Tue Aug 1 17:05 2006
    Status              : Formal Release
    For Models          : Vigor2600V, Vigor2600VG, and Vigor2600VGi  ONLY

   This firmware is for UK use ONLY.
  
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Changes Since firmware 2.5.8.2
------------------------------


1. Correct FTP pass-through NAT issue.
2. Improve the interoperability for SIP server authentication with empty realm parameter.
3. Improve WUI interoperability with Firefox.
4. Block PPPoE frames with MAC addresses from other servers.


Changes Since firmware 2.5.8.1
------------------------------

1. Correct WebUI interoperability with Firefox 
2. Improve wireless stability on multiple client condition.
3. Other minor issue corrections


Changes since firmware 2.5.7
----------------------------


[New Features]
1. Add WPA2 functionality
2. Add block/allow keyword option in URL filter
3. Allow IP Filter within VPN tunnels

[Improvement and Correction]
1. Improve XDSL training mechanism.
2. Correct Mac Filter can't be apply when enter too many rules.
3. Correct Block NetBIOS direction in Default Call Filter of Filter Setup.

4. Improve NAT-Loopback problem.
5. Modify AVT(RFC2833) timing issue.
6. Improve wireless stability on multiple client condition.


Changes since firmware 2.5.6
----------------------------

[New Features]

1. Support VoIP supplementary service functions including:
1-1. Call Forwarding (always/busy/no answer)
1-2. Call Waiting.
1-3. Call Transfer.
1-4. DND (Do Not Disturb)
1-5. Support T.38 fax relay functionality. 
1.6. New 'Advanced' menu under VoIP Setup for above features

[Improvements and Corrections]:

1. Correct eMule + KAD will buffer problem
2. Add TearDrop/New TearDrop, Bonk Attack detection.
3. Support unnumbered IP in 2nd subnet.
4. Correct 2nd subnet NAT-loopback problem.
5. Correct ARP table buffer problem.
6. Correct USB printer can't be detected after router power-on.
7. Correct QoS instability
8. Correct DDNS View Log ("Account is not enabled")
9. Add telnet command: 'ddns time' to setup ddns update time
10. Correct DDNS enforce update everyday
11. Adjust UDP timeout to 15 mins
12. Adjust WWW timeout to 5 mins
13. Correct VPN IPSec over ISAKMP vulnerable problem



Changes since firmware 2.5.5.3
------------------------------

[Improvement and Correction]:

1. Fix MSN Messenger hang up when UPnP enabled.
2. Fix DHCP IP conflicts when Static/Dynamic IPs are intersected.
3. Imrpove NAT Loopback (Access LAN server by WAN IP)
4. Upgrade Wireless code to the latest version
   - Improves Intel Centrino performance issue
5. Upgrade SIP code
   - Support 2 SIP registrars (one on each phone port)
   - Support Change IP ToS option, improve for some ISP
   - Support different country and user defined tones
   - Improve sip registration mechanism.
   - Improve sdp parser to allow incoming calls with unknown sdp attribute problem.
   - Improve handling generic type CNG packet (caused un-wanted noise)
   - Add speaker and Mic volume change from telnet command
   - Set default tone by country code
   - Remove VoIP -> SIP Related Functions Duplicate button
   - Remove VoIP Connection Status' Channel Volume button
   - Correct change RTP port did not apply to next call problem
   - Correct VoIP call can't build up for some sip gateway
6. Increase max sessions to 15,000.
7. Correct QoS direction classify
8. Correct telnet command: show nat
9. Correct Static Route/RIP subnet assume as Private IP
10. Correct WebUI can't change system password to NULL string
11. Correct telnet command: sys passwd maximum characters is 23 not 20
12. Correct H.323 device under Private IP DMZ
13. Change DoS Defense default settings
14. Correct USB Printer can crash router
15. Correct ATA not being able to dial out behind VigorV2600V
16. Correct DMZ functional maybe make Router busy
17. Correct UDP Fragment packet can't pass when WAN is PPPoE
18. Correct large Fragment packet may cause Router reboot
19. Add NcBuffer information into telnet command: sys qrybuf
20. Correct enter TKIP then change SSID, can't connect to Router
21. Correct telnet command: adsl ppp parse error
22. Add telnet command: ip pppoe enable/disable 
23. Increase HTTP idle timeout to 5 minutes
24. Correct VoIP receive duplicate RTP packets
25. Correct 2nd subnet DHCP/VPN LAN to LAN Profile page can't apply in FireFox
26. Correct problem with UDP Fragmented packets & memory issue
27. Detect TearDrop/NewTear and Bonk/Boink DoS attack


Changes since firmware 2.5.5.1
------------------------------

1. Correction of problem with FXS1 ringing for a call intended
   for FXS2 port, in certain circumstances.


Changes Since firmware 2.5.5 (Beta Release)
---------------------------------------------

1. Correct reboot issue when accepting certain broadcast calls
2. Improve Radius function when DMZ port is opened.

Changes Since firmware 2.5.4 (Formal Release)
---------------------------------------------

01. Improve handling of SIP 183 messages.
02. Improve efficiency of NAT sessions cleanup 
03. Improve compatibility with 3rd party SIP proxy servers
04. Improve SIP Proxy domain resolustion performance.
05. Fixed : ISDN interface not detected on some lines
06. Fixed : Reboot problem when Enabling a blank SIP registrar
07. Fixed : SIP registration used LAN IP address occasionally
08. Fixed : No voice problem when using ISDN backup
09. Fixed : Reboot problem VPN peer ID >22 characters
10. Fixed : IKE rekey lifetime when setting the minimum IKE lifetime. 
11. Fixed : Problem when using "log -wt" when opening IPSec tunnel.
12. Fixed : No Voice when two ports on the same router to call each other
            using IP or SIP Proxy/Registrar.
13. Allow for VoIP calls to be maintained when Always-On is not set for
    Internet access over PPPoA.
14. Improved FTP firmware upgrade facility
15. QOS DiffServ classification was improved.
16. Fixed : Problem with Intersil WLAN card stopping (WLAN connection drops)
17. Improve compatiblity with nikotel proxy.
18. Prevent the router responding to syn flood attacks.
19. Correct the router send dhcp request containing router's mac address.
20. Correct UPNP connection control service error problem.
21. Correct PPTP with CA pass through fail problem.
22. Fixed : Router unresponsive during file transfers via VPN over WLAN
23. Correct WLAN mode can't set to 802.11g only or 802.11b only problem.
24. Correct phone state error when both ports are active.
25. Fixed : Reboot Problem if SIP registrar is unavailable.
26. Fixed : DTMF transmission error
27. Fixed : Router doesn't use default DNS server after dropping WAN
28. Fixed : Microsoft P2P Networking through VPN performance inconsistent
29. Fixed : Dialplan didn't work correctly with DrayTEL SIP Server
29. Correct rare reboot when parsing a mal-formated DNS packet(port 53) 
30. Correct DNS Proxy function Failure
31. Correct access problem to a  German https site
32. Add dns server ip setting in web page.
33. Correct router freeze during a broadcast storm
34. Improve VPN tunnel's stability when dialing L2TP.
35. Correct ISDN both channel dialup issue.
36. Enhance error handler for SIP INFO
37. Check VPN Peer connection type
38. Correct DNS server switching between ISDN and PPPoE
39. Improve routing alive checking.
40. Correct VoIP error when using second subnet.
41. Correct VPN pass through issue from previous RC
42. Correct ISDN fax issue (Vigor2600VGi only)


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Changes Since Firmware Release 2.5.2 (Formal Release)
------------------------------------------------


1. Add new telnet command to show number of NAT sessions 
   Enter : show session   and    show nat
2. Add a telnet command to enable/disable automatic fallover
   between local ports when the called port is busy.
   Enable with : voip sip epfwd 1
   Disable with : voip sip epfwd 0
3. Support Authentication BYE message, required for some SIP servers
4. Selectable QoS function
5. Support SIP INFO method (RFC 2976) for outband DTMF.
6. Support Call Holding feature.
7. Support Pulse Dial feature (for old phones where DTMF is n/a)
8. Add new telnet command to choose differnt country code/tones :
   For UK :  voip dsp countrytone 1
9. Support Re-INVITE mechanism.
10. Added support for www.ddns4biz.com in DDNS facility
11. Add WLan station list in Web UI.
12. Support defense Worm function and disable by default.
14. Using the same name for both FXS ports makes both ports ring 
16. Improve P2P software compatibility (change NAT type to "Port
    Restricted Cone NAT").  Useful for MSN Messenger users etc.

----------------------------------------------------------------------


Changes since Firmware 2.5.1_UK (Release)
-----------------------------------------

1. Support for ETSI mode caller ID display (requires compatible Caller Display unit - not UK standard device).
2. Support new telnet command to adjust dialtone power and ring frequency :
   Use this command ONLY if you have DTMF recognition problems. Default
   value is 27. Increase by '1' at a time with voip dsp dialtonepwr 28
3. Improve interoperability with 3rd party's VoIP device.
2. Improve RFC2833 (DTMF outband) SDP negotiation function.
3. Improve bulk call capability.
4. Volume gain set from WUI is now stored.
5. Improve interoperability with RFC 2543 SIP proxy server.

Resolved Issues :

1. Fixed using FWD voice mailbox problem
2. Fixed the registration flooding problem
3. Fixed a problem which could cause reboot during SIP registration or when making VoIP calls.
4. Fixed using '*' key to dial out problem.

Changes/Fixes Since Firmware 2.5UK (Release)
--------------------------------------

1. Deny replies for unicast ARP request
2. Amend NAT failure on no directly connected subnet.
3. Fix problem with configuring a static route for a host route.
4. Fixed a problem with configuring the TCP/IP setting of 
   LAN-to-LAN profile for the remote network.
5. Fixed problem with Port redirection failure after a period of usage.
6. Fixed PPTP with CA pass through problem.
7. Addressed issue with UDP fragmentation
8. Broadcasting IP configuration on the WAN side.
9. Fix problem with Wan IP conflict in Online status page problem.
10. Permit editing host mask(255.255.255.255) in LAN-to-LAN profile
11. Improve robustness during heavy LAN traffic
12. Increase speed of ADSL line synchonisation
13. Prevent PPTP/IPSec fragmentionation on passthrough
14. Some other minor improvements
15.  WPA for wireless 802.11g (Beta version)
   - Complies with WPA version 1.
   - Define 7 security modes. 
   - Support both pure WPA environment and Non-WPA(WEP) and 
     WPA co-existing environment.
   - Automatically disconnect all clients whenever the encryption mode 
     is changed.
   - Under "WEP or WPA/PSK" mode, the default WEP key is fixed at key index 2.
   - Only TKIP encryption is available for WPA clients. 
       
New Features in firmware 2.5UK
------------------------------

1.  LPR Print Server via USB Printer port on the back panel
2a. VLAN (port exclusivity) support 
2b. Port-based rate throttle capability
3.  Scheduling for Content Filters


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