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v2.3.0.19621.FW
Date:29/08/2014
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1. Fixed phonebook ordering

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v2.3.0.15968:
Date:30/12/2013
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1. Fixed the bug that the phone reboots when transferring a call after enable “Call ID Display”.
2. Improve the compatibility of protocol

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V2.2.6.13022:
Date:2013-08-01
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1. Increase the handset gain 6dB.

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V2.2.6.13019:
Date:2013-03-19
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1. Support language package update.
2. Fixed multi language display problem on some items.
2. Add TLS transport type.
3. Add Auto Provistion in Update page.
4. Fixed profile address in different network block problem.
4. Improve the audio preference, change codec gain from -24/12 to -6/6.