Cisco SPA 508G Administration Guide

Cisco SPA IP Phone Field Reference
Ext Tab
Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 283
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Subscriber Information
Proxy Redundancy Method Select Normal or Based on SRV port. The phone
creates an internal list of proxies returned in the DNS
SRV records.
If you select Normal, the list contains proxies ranked by
weight and priority.
If you select Based on SRV, the phone uses normal,
then inspects the port number based on the first listed
proxy port.
Defaults to Normal.
Parameter Description
Parameter Description
Display Name Display name for caller ID.
User ID Extension number for this line.
Password Password for this line.
Defaults to blank.
Use Auth ID To use the authentication ID and password for SIP
authentication, select yes. Otherwise, select no to use
the user ID and password.
Defaults to no.
Auth ID Authentication ID for SIP authentication.
Defaults to blank.
Mini Certificate Base64 encoded of Mini-Certificate concatenated with
the 1024-bit public key of the CA signing the MC of all
subscribers in the group.
Defaults to blank.
SRTP Private Key Base64 encoded of the 512-bit private key per
subscriber for establishment of a secure call.
Defaults to blank.

Cisco SPA 508G Specifications

General

Speakerphone	Yes
Dialer location	Base
Mac compatibility	No
Ethernet LAN (RJ-45) ports	2
Display resolution	128 x 64 pixels
Display number of colors	Monochrome
Headphone connectivity	2.5 mm

Weight and Dimensions

Depth	212 mm
Width	214 mm
Height	44 mm
Weight	900 g