Nortel 1110 User Guide

 Nortel IP Phone 1140E

553-3001-368 Standard 26.00 August 2007

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automatic network configuration through DHCP

For more information about automatic network configuration, see 
Table 48, “IP Phone 1140E IP parameters,” on page 414.

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802.1ab Link Layer Discovery Protocol (LLDP) 

For more information about LLDP, Appendix Appendix D:: “802.1ab 
Link Layer Discovery Protocol” on 

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Secure Real-time Transport Protocol (SRTP) media encryption

For more information about SRTP media encryption, “Features 
overview” on page 493.

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802.1Q VLAN and 802.1p priority support, industry standards for 
managing bandwidth usage

— full VLAN capability, including a manageable integrated switch in 

the IP Phone; allows VLAN and priority tagging for the IP Phone 
traffic and VLAN tagging for PC traffic

— VLAN filtering which allows the IP Phone to only see Voice VLAN 

traffic. The integrated switch will pass DATA VLAN traffic to the 
PC Ethernet port. This prevents the Data VLAN broadcast traffic 
from reaching the IP Phone. For more information, see 
Appendix Appendix B:: “802.1Q VLAN description” on 

and Data Networking for Voice over IP (553-3001-160).

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802.1x Port-based network access control, industry standard for passing 
Extensible Authentication Protocol (EAP) over a LAN

For more information about 802.1x port-based network access control, 
see Appendix Appendix C:: “802.1x Port-based network access control” 
on 

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integrated hardware to support Power over Ethernet (PoE) for IEEE 
802.3af Power Classification 3

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Gratuitous Address Resolution Protocol Protection (GARP)

The IP Phone 1140E supports the following user interface features:

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graphical, high-resolution LCD display, backlit, with adjustable contrast