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Cisco 8800 Series Administration Guide

Cisco 8800 Series
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Usage notesPurposeNetwork protocol
DHCP is enabled by default. If disabled,
you must manually configure the IP
address, subnet mask, and gateway on each
phone locally.
The DHCP Option To Use
parameter has
66,160,159,150,60,43,125 as its
default value. This value
indicates the order in which the
phone uses the IP address
provided by the DHCP server.
Note
DHCP dynamically allocates and assigns
an IP address to network devices.
DHCP enables you to connect an IP phone
into the network and the phone to become
operational without the need to manually
assign an IP address or to configure
additional network parameters.
Dynamic Host Configuration Protocol
(DHCP)
Cisco IP Phones use the HTTP protocol for
XML services, provisioning the phone,
upgrading the phone, and for
troubleshooting purposes.
HTTP is the standard way of transferring
information and moving documents across
the Internet and the web.
Hypertext Transfer Protocol (HTTP)
Some Web applications support both HTTP
and HTTPS protocols. Cisco IP Phones that
support HTTPS use the HTTPS URL.
Hypertext Transfer Protocol Secure
(HTTPS) is a combination of the Hypertext
Transfer Protocol with the SSL/TLS
protocol to provide encryption and secure
identification of servers.
Hypertext Transfer Protocol Secure
(HTTPS)
The Cisco IP Phone implements the IEEE
802.1X standard by providing support for
the following authentication methods:
EAP-FAST, and EAP-TLS.
When 802.1X authentication is enabled on
the phone, you should disable the PC port
and voice VLAN.
The IEEE 802.1X standard defines a
client-server-based access control and
authentication protocol that restricts
unauthorized clients from connecting to a
LAN through publicly accessible ports.
Until the client is authenticated, 802.1X
access control allows only Extensible
Authentication Protocol over LAN
(EAPOL) traffic through the port to which
the client is connected. After authentication
is successful, normal traffic can pass
through the port.
IEEE 802.1X
The 802.11 interface is a deployment option
for cases when Ethernet cabling is
unavailable or undesirable.
Only Cisco IP Phone 8861 and 8865
support WLAN.
The IEEE 802.11 standard specifies how
devices communication over a wireless
local area network (WLAN).
802.11n operates at the 2.4 GHz and 5 GHz
band and 802.11ac operates at the 5 GHz
band.
IEEE 802.11n/802.11ac
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
19
About the Cisco IP Phone
Network Protocols

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Cisco 8800 Series Specifications

General IconGeneral
ProtocolsSIP, SCCP
AudioWideband audio
ConnectivityGigabit Ethernet
PowerPower over Ethernet (PoE)
BluetoothYes
USBYes
Codec SupportG.711, G.722, G.729, iLBC
DimensionsVaries by model
WeightVaries by model
Wi-FiYes (varies by model)

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