Cisco 6901 Standard Handmatig - Pagina 11

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Cisco 6901 Standard Handmatig
Cisco Unified IP Phone
Table 1: Supported Network Protocols on the Cisco Unified IP Phone
Network Protocol
Cisco Audio Session Tunneling
(CAST)
(Cisco Unified IP Phone 6911 only)
Cisco Discovery Protocol (CDP)
Dynamic Host Configuration
Protocol (DHCP)
Purpose
The CAST protocol allows IP
Phones and associated applications
behind the phone to discover and
communicate with the remote
endpoints without requiring
changes to the traditional signaling
components like Cisco Unified
Communications Manager and
gateways. The CAST protocol
allows separate hardware devices
to synchronize related media and it
allows PC applications to augment
nonvideo-capable phones to
become video enabled by using the
PC as the video resource.
CDP is a device-discovery protocol
that runs on all Cisco-manufactured
equipment.
Using CDP, a device advertises its
existence to other devices and
receives information about other
devices in the network.
DHCP dynamically allocates and
assigns an IP address to network
devices.
DHCP enables you to connect an
IP Phone into the network and have
the phone become operational
without needing to manually assign
an IP address or to configure
additional network parameters.
Network Protocols
Usage notes
-
The Cisco Unified IP Phone uses
CDP to communicate information
such as auxiliary VLAN ID, per
port power management details,
and Quality of Service (QoS)
configuration information with the
Cisco Catalyst switch.
By default, the phone has DHCP
enabled. If disabled, you must
manually configure the IP address,
subnet mask, gateway, and a TFTP
server on each phone locally.
Cisco recommends that you use
DHCP custom option 150. With
this method, you configure the
TFTP server IP address as the
option value. For additional
supported DHCP configurations,
go to the "Dynamic Host
Configuration Protocol" chapter
and the "Cisco TFTP" chapter in
the Cisco Unified Communications
Manager System Guide.
Note
If you cannot use option
150, you may try using
DHCP option 66.
Cisco Unified IP Phone
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