Contents
General Information | 2 |
Release Content Information | 2 |
Hardware Supported | 2 |
Bootloader Requirements | 2 |
Before you Upgrade | 3 |
Please Read Before Upgrading Your Phone | 3 |
New Features in Release 2.5.3 | 4 |
Configuration Features | 4 |
New Parameter for Configurable Contact Header Matching | 4 |
Issues Resolved in Release 2.5.3 | 5 |
Release 2.5.3 | 5 |
Contacting Aastra Telecom Support | 9 |
Contents
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