Cisco SPA112 Administration Guide

Configuring the Voice Settings
Line1 and Line 2 Settings (PHONE Port1 and PHONE2)
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FA X Passthru
Codec
Select the codec for fax passthrough, G711u or G711a.
Default setting: G711u
FA X Codec
Symmetric
To force the ATA to use a symmetric codec during fax
passthrough, select yes. Otherwise, select no.
Default setting: yes
DTMF Process
INFO
To use the DTMF process info feature, select yes.
Otherwise, select no.
Default setting: yes
FA X Passthru
Method
Select the fax passthrough method: None, NSE, or
ReINVITE.
Default setting: NSE
DTMF Process
AV T
To use the DTMF process AVT feature, select yes.
Otherwise, select no.
Default setting: yes
FAX Process NSE To use the fax process NSE feature, select yes. Otherwise,
select no.
Default setting: yes
DTMF Tx Method Select the method to transmit DTMF signals to the far end:
InBand, AVT, INFO, or Auto. InBand sends DTMF by using
the audio path. AVT sends DTMF as AVT events. INFO
uses the SIP INFO method. Auto uses InBand or AVT
based on the outcome of codec negotiation.
Default setting: Auto
FAX Disable ECAN If enabled, this feature automatically disables the echo
canceller when a fax tone is detected. To use this feature,
select yes. Otherwise, select no.
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