While every effort has been made to ensure accuracy, Aastra Telecom will not be liable for technical or editorial errors or omissions contained within this documentation. The information contained in this documentation is subject to change without notice. AASTRA Telecom Copyright 2008 Aastra Telecom. All Rights Reserved. Contents General Information ..................................................................................................................................2 Release Content Information ................................................................................................................2 Hardware Supported .............................................................................................................................2 Bootloader Requirements .....................................................................................................................2 Before you Upgrade ..................................................................................................................................3 Please Read Before Upgrading the Phones to Release 2.3 .................................................................3 New Features in Release 2.3 ....................................................................................................................4 Description ............................................................................................................................................4 Network Features..................................................................................................................................7 Link Layer Discovery Protocol for Media Endpoint Devices (LLDP-MED)......................................7 DHCP Options 159 and 160 for the Configuration Server............................................................12 DHCP Option 12 Hostname for the Configuration Server ............................................................15 DHCP Option 77 User Class for the Configuration Server...........................................................18 Multiple DHCP Servers.................................................................................................................21 Security Features ................................................................................................................................22 Configuration File Encryption .......................................................................................................22 HTTPS Server Certificate Validation.............................................................................................23 XML Features......................................................................................................................................29 XML Execute Commands for Playing a WAV File ........................................................................29 RTP Recording and Simultaneous Playing (not supported on 51i) ..............................................31 Dialpad Passthrough for Objects ..................................................................................................34 Non-Blocking Action URI ..............................................................................................................35 New XML URI Variables ...............................................................................................................35 XML Web Applications Button ......................................................................................................35 XML Key Redirection ....................................................................................................................36 Options Key Redirection (for Options Menu on all phones and Services Menu on 51i).......................................................39 XML Applications and Off-Hook Interaction..................................................................................41 XML URI for Key Press Simulation...............................................................................................42 Using XML Commands to Reset Local Data on the Phone..........................................................45 Action URI Disconnected Feature ................................................................................................46 User Interface Features ......................................................................................................................49 Preferred Line Focus Feature.......................................................................................................49 Dialpad Speeddial Supported on All Phones................................................................................52 UTF- 8 Codec for Multi-National Language Support ....................................................................55 Addition of New Timezone and Country Codes.....................................