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Cisco 7841 Administration Guide

Cisco 7841
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IPv4 Settings
DescriptionParameter
Internet connection type that is configured for the
phone. Options are DHCP and Static IP.
Default: DHCP
Connection Type
Subnet mask of the phone.NetMask
IP address of the phone.Static IP
IP address of the gateway.Gateway
Primary Domain Name Server (DNS) assigned to the
phone.
Primary DNS
Secondary Domain Name Server (DNS) if assigned
to the phone.
Secondary DNS
IPv6 Settings
DescriptionParameter
Internet connection type that is configured for the
phone. Options are DHCP and Static IP.
Default: DHCP
Connection Type
IPv6 address of the phone.Static IP
Identifies number of bits of a global unicast IPv6
address that are part of`the network. For example, if
the IPv6 address is 2001:0DB8:0000:000b::/64, the
number 64 identifies that the first 64 bits are part of
the network.
Prefix Length
IP address of the gateway.Gateway
Primary Domain Name Server (DNS) assigned to the
phone.
Primary DNS
Secondary Domain Name Server (DNS) if assigned
to the phone.
Secondary DNS
Options are Disabled and Enabled.
Default: Disabled
Broadcast Echo
When enabled, phone generates an IPv6 address by
default with the prefix length sent from the router.
Options are Disabled and Enabled.
Default: Enabled
Auto Config
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
227
Cisco IP Phone Troubleshooting
IPv4 Settings

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Cisco 7841 Specifications

General IconGeneral
Ethernet SwitchYes
Lines4
Headset PortYes
Wall MountableYes
Display3.5-inch grayscale display
AudioWideband audio
PoEIEEE 802.3af
SpeakerphoneFull-duplex
Ethernet Ports2 x 10/100/1000
Headset JackRJ9
ProtocolsSIP
Codec SupportG.711, G.722, G.729, iLBC
MountingDesk or wall
Weight1 kg

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