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Cisco 8851 Guide

Cisco 8851
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Description and Default ValueParameter Name
The syslog message that is issued after a failed resync
attempt.
The default value is $PN $MAC -- Resync
failed: $ERR.
Log Failure Msg
Allows a user to resync the phone from the IP phone
screen.
The default value is Yes.
User Configurable Resync
Firmware Upgrade Parameters
The following table defines the function and usage of each parameter in the Firmware Upgrade section of
the Provisioning tab.
Description and Default ValueParameter Name
Enables firmware upgrade operations independently of resync actions.
The default value is Yes.
Upgrade Enable
The upgrade retry interval (in seconds) applied in case of upgrade failure.
The device has a firmware upgrade error timer that activates after a
failed firmware upgrade attempt. The timer is initialized with the value
in this parameter. The next firmware upgrade attempt occurs when this
timer counts down to zero.
The default value is 3600 seconds.
Upgrade Error Retry Delay
A firmware upgrade script that defines upgrade conditions and associated
firmware URLs. It uses the same syntax as Profile Rule.
Use the following format to enter the upgrade rule:
<tftp|http|https>://<ip address><:port>/<path>/<load name>
For example:
tftp://192.168.1.5/firmware/sip88xx.11-0-0MPP-321.loads
If no protocol is specified, TFTP is assumed. If no server-name is
specified, the host that requests the URL is used as the server name. If
no port is specified, the default port is used (69 for TFTP, 80 for HTTP,
or 443 for HTTPS).
The default value is blank.
Upgrade Rule
Syslog message issued at the start of a firmware upgrade attempt.
Default: $PN $MAC -- Requesting upgrade
$SCHEME://$SERVIP:$PORT$PATH
Log Upgrade Request Msg
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
72
Cisco IP Phone Provisioning
Firmware Upgrade Parameters

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Cisco 8851 Specifications

General IconGeneral
Resolution800 x 480 pixels
Network InterfacesDual Gigabit Ethernet ports
Headset PortYes
AudioWideband audio
Ethernet10/100/1000 Mbps
USBYes, USB 2.0
PowerIEEE 802.3af/at Power over Ethernet (PoE)
ProtocolsSIP
PoEYes
Codec SupportG.711, G.722, G.729, iLBC
Headset ConnectorRJ9
LinesUp to 5 lines
Dimensions229 x 256 x 41 mm (excluding foot stand)
Weight1.2 kg

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