Cisco 8851 Guide

Description and Default ValueParameter Name
Result message of resync or upgrade attempt. Only
useful in generating result syslog messages. The value
is preserved in the UPGERR variable in the case of
upgrade attempts.
ERR
The contents of the Line n UserID configuration
parameter.
UIDn
Extension Mobility StatusEMS
Extension Mobility User IDMUID
Extension Mobility PasswordMPWD
Internal Error Codes
The phone defines a number of internal error codes (X00–X99) to facilitate configuration in providing finer
control over the behavior of the unit under certain error conditions.
Description and Default ValueParameter Name
Transport layer (or ICMP) error when sending a SIP
request.
X00
SIP request times out while waiting for a response.X20
General SIP protocol error (for example, unacceptable
codec in SDP in 200 and ACK messages, or times out
while waiting for ACK).
X40
Dialed number invalid according to given dial plan.X60
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
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Cisco IP Phone Provisioning
Internal Error Codes

Cisco 8851 Specifications

General

Resolution	800 x 480 pixels
Network Interfaces	Dual Gigabit Ethernet ports
Headset Port	Yes
Audio	Wideband audio
Ethernet	10/100/1000 Mbps
USB	Yes, USB 2.0
Power	IEEE 802.3af/at Power over Ethernet (PoE)
Protocols	SIP
PoE	Yes
Codec Support	G.711, G.722, G.729, iLBC
Headset Connector	RJ9
Lines	Up to 5 lines
Dimensions	229 x 256 x 41 mm (excluding foot stand)
Weight	1.2 kg