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V2.2.6.15150 Date:2013-11-04
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1. Flexible network type changing via LCD.
2. Flexible phone book and speed dial application.

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V2.2.6 Date:2013-08-01
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1. Fixed PPPoE connection problem
2. Fixed dial plan settings digits over 7 length problem.
3. Fixed VPN connection problem
4. Improve the audio preference, AGC COM is changed to -10dB.
5. Fixed two ringback tone alert problems.
6. Fixed dialplan IP calling replace rule to be effective even if the account is not registered.
7. Support option66 auto provision.

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V2.2.5.13192 Date:2013-05-08
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1. Add Auto Provision option in Update webpage.
2. Add G726 in Prefer Codec in Account 1.
3. Fixed Authenticate ID problem.
4. Improve the audio preference, change codec gain from -24/12 to -6/6.