Cisco SPA122 Provisioning Guide

Router Configuration Parameters
<DHCP_Server_Pool> Parameters
Provisioning Guide for Cisco SPA100 and SPA200 Series Analog Telephone Adapters 165
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<Max_DHCP_User> Description: The maximum number of devices that can receive
DHCP addresses from the DHCP server
User Interface: Network Setup > Basic Setup > Network Settings
page, Maximum DHCP Users field
Values: number
Default: 50
Example: 10-device maximum
<Max_DHCP_User>10</Max_DHCP_User>
<Client_Lease_Time> Description: The number of minutes that a dynamically assigned
IPv4 address can be in use, or “leased”
User Interface: Network Setup > Basic Setup > Network Settings
page, Client Lease Time field
Values: number
Enter the number of minutes. Enter 0 to represent 1 day. Enter 9999 to
never expire.
Default: 0 (1 day)
Example: No expiration
<Client_Lease_Time>9999</Client_Lease_Time>
<Static_DNS> Description: Defines a DNS server address that will be provided to
DHCP clients. If DNS Proxy is enabled, clients will automatically be
issued the Local IPv4 address to use for DNS.
Values: IPv4 address
Default: 0.0.0.0
Example:
<Static_DNS>209.165.202.129</Static_DNS>
Parameter Details

Cisco SPA122 Specifications

General

Ports	2 FXS ports
Network Interface	10/100 Mbps Ethernet
Voice Protocol	SIP
Voice Codecs	G.711, G.726, G.729 A
Security	TLS
Power Supply	5V DC, 2A
Network Ports	1 x 10/100 Mbps
Fax Support	T.38 fax relay
Operating Temperature	0°C to 45°C
Storage Temperature	14 to 140°F (-10 to 60°C)
Humidity	10% to 90% noncondensing
Weight	0.16 kg