Cisco SPA112 Administration Guide

Configuring the Voice Settings
SIP
Cisco SPA100Series Administration Guide 58
4
NAT Support Parameters
NSE Codec Name NSE codec name used in SDP.
Default setting: NSE
AV T Code c Na me AV T co dec name used in SDP.
Default setting: telephone-event
G711u Codec
Name
G.711u codec name used in SDP.
Default setting: PCMU
G711a Codec
Name
G.711a codec name used in SDP.
Default setting: PCMA
G726r32 Codec
Name
G.726-32 codec name used in SDP.
Default setting: G726-32
G729a Codec
Name
G.729a codec name used in SDP.
Default setting: G729a
G729b Codec
Name
G.729b codec name used in SDP.
Default setting: G729ab
EncapRTP Codec
Name
EncapRTP codec name used in SDP.
Default setting: encaprtp
Field Description
Handle VIA
received
If you select yes, the ATA processes the received
parameter in the VIA header (this value is inserted by the
server in a response to any one of its requests) If you
select no, the parameter is ignored. Select yes or no from
the drop-down menu.
Default setting: no
Handle VIA rport If you select yes, the ATA processes the rport parameter
in the VIA header (this value is inserted by the server in a
response to any one of its requests) If you select no, the
parameter is ignored. Select yes or no from the drop-
down menu.
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