Introduction............................................................................................................................................... 631

TFTP Server planning............................................................................................................................... 631

Pre-download checklist.................................................................................................................... 633

Updating IP Phones firmware................................................................................................................... 633

Updating the firmware...................................................................................................................... 634

Expansion Module for IP Phones..................................................................................................... 638

Downloading and configuring fonts........................................................................................................... 639

Appendix O: 802.1Q VLAN description.............................................................................

Contents.................................................................................................................................................... 643

Introduction............................................................................................................................................... 643

Description................................................................................................................................................ 644

IP Phone support...................................................................................................................................... 645

Three-port switch support......................................................................................................................... 645

VLAN IDs.................................................................................................................................................. 646

Automatic VOICE VLAN ID configuration......................................................................................... 647

VLAN Configuration Choices............................................................................................................ 648

Enhanced Data VLAN............................................................................................................................... 648

Data (PC Port) VLAN packet handling............................................................................................. 648

Appendix P: Port numbers.................................................................................................

Appendix Q: Bluetooth

Appendix R: Power requirements and environmental specifications...........................

Contents.................................................................................................................................................... 655

IP Deskphone power requirements.................................................................................................. 655

Environmental specifications..................................................................................................................... 657

Appendix S: IP Deskphone context-sensitive soft keys.................................................

Appendix T: Call features...................................................................................................

Appendix U: FLEXnet licensing error codes....................................................................

Appendix V: Avaya 2050 IP Softphone license information............................................

Download Open Source modules............................................................................................................. 671

GNU GENERAL PUBLIC LICENSE.......................................................................................................... 671

Preamble.......................................................................................................................................... 671

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION.................... 672

NO WARRANTY............................................................................................................................... 675

END OF TERMS AND CONDITIONS.............................................................................................. 676

MAD................................................................................................................................................. 677

Index.....................................................................................................................................

IP Deskphones Fundamentals

and Wireless Fidelity interference..........................................

643

651

653

655

659

661

665

671

679