Cisco SPA112 Administration Guide

Configuring the Voice Settings
Line1 and Line 2 Settings (PHONE Port1 and PHONE2)
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Restrict Source IP If configured, the ATA drops all packets sent to its SIP
Ports from an untrusted IP address. A source IP address is
untrusted if it does not match any of the IP addresses
resolved from the configured Proxy (or Outbound Proxy if
Use Outbound Proxy is yes)
Default setting: no
Referor Bye Delay The number of seconds to wait before sending a BYE to
the referrer to terminate a stale call leg after a call transfer.
Refer Target Bye
Delay
The number of seconds to wait before sending a BYE to
the refer target to terminate a stale call leg after a call
transfer.
Referee Bye Delay The number of seconds to wait before sending a BYE to
the referee to terminate a stale call leg after a call transfer.
R e fe r-To Ta r g e t
Contact
To contact the refer-to target, select yes. Otherwise,
select no.
Default setting: no
Sticky 183 If this feature is enabled, the ATA ignores further 180 SIP
responses after receiving the first 183 SIP response for an
outbound INVITE. To enable this feature, select yes.
Otherwise, select no.
Default setting: no
Auth INVITE When enabled, authorization is required for initial incoming
INVITE requests from the SIP proxy.
Default setting: no
Reply 182 On Call
Waiting
When enabled, the ATA replies with a SIP182 response to
the caller if it is already in a call and the line is off-hook. To
use this feature select yes.
Default setting: no
Use Anonymous
With RPID
Determines whether or not the ATA uses “Anonymous”
when Remote Party ID is requested in the SIP message.
Default setting: yes
Use Local Addr In
From
Use the local ATA IP address in the SIP FROM message.
Default setting: no
Field Description

Cisco SPA112 Specifications

General

Supported network protocols	IPv4, IPv6, ARP, DNS, SRV, DHCP, PPPoE, ICMP, TCP, UDP, RTP, RTCP, SNTP
DHCP client	Yes
VPN support	802.1p
Security algorithms	SSL/TLS
Authentication method	SIP
Modem (RJ-11) ports	2
Ethernet LAN (RJ-45) ports	1
Voice codecs	G.711, G.726, G.729
Certification	FCC, CE, ICES, A-Tick, RoHS, UL
Fax compatibility	T.38
Output current	2 A
Output voltage	5 V
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Storage temperature (T-T)	-25 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Width	101 mm
Height	28 mm
Weight	153 g