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    Release Notes for Vigor2600V Series

    Firmware Version    : 2.5.2
    Release Date        : Mar. 26, 2004

    Applied Models      : Vigor2600V Series

    (1)For Annex A Model,
	     1> "v26va252.xxx" is with Modem firmware 42E2EA53.  (Standard)


    (2)For Annex B Model,
	     1> "v26vb252.xxx" is with Modem firmware 40E3BE15.  (Standard)

  
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Please ensure you download and use the latest router tools when
upgrading the firmware. 

[New functions]:
1. Support 2600VG, 2600Vi and 2600VGi models.
2. Support ETSI mode caller ID display.
3. Support new telnet command to adjust dialtone power and ring frequency.

[Improvements]:
1. Improve interoperability with 3rd party's VoIP device.
2. Improve RFC2833 (DTMF outband) SDP negotiation function.
3. Improve bulk call capability.
4. Improve the Volume gain can be set in web page anytime and be saved into flash.
5. Improve interoperability with old(RFC 2543) sip proxy server.


[Fixed problems]:
1. Fixed using FWD voice mailbox problem
2. Fixed the registration flooding problem
3. Fixed the registration cause router reboot problem.
4. Fixed router reboot when make VoIP calls problem.
5. Fixed using '*' key to dial out problem.
6. Other minor bugs. 

[Hint]
1. If you encounter the problem that DTFM tone can't be recognize, you can use telnet command to adjust the dialtone power, the problem should be fixed. The dialtone power range is from  1 to 30, the default value is 27. When you encounter the said problem, we recommand you to increase the level (reduce the dialtone power). Open a DOS prompt window (Windows machine) or Terminal application (Mac OS X or *nix machine), use telnet command and then do the following command to change the dial tone power:

> voip dsp dialtonepwr 28    


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