Cisco SPA122 Administration Guide

Configuring the Voice Settings
Line1 and Line 2 Settings (PHONE Port1 and PHONE2)
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Audio Configuration
Feature Dial Serv Enable Feature Dial Service. See the Feature Dial Services
Codes parameter For more information.
Default setting: yes
Service
Announcement
Serv
Enable Service Announcement Service.
Default setting: no
Reuse CID
Number As Name
Use the Caller ID number as the caller name.
Default settings: yes
Field Description
G729a Enable To enable the use of the G.729a codec at 8 kbps, select
yes. Otherwise, select no.
Default setting: yes
Silence Supp
Enable
To enable silence suppression so that silent audio frames
are not transmitted, select yes. Otherwise, select no.
Default setting: no
G726-32 Enable To enable the use of the G.726 codec at 32 kbps, select
yes. Otherwise, select no.
Default setting: yes
Silence Threshold Select the appropriate setting for the threshold: high,
medium, or low.
Default setting: medium
FAX V21 Detect
Enable
To enable detection of V21 fax tones, select yes.
Otherwise, select no.
Default setting: yes
Echo Canc Enable To enable the use of the echo canceller, select yes.
Otherwise, select no.
Default setting: yes
FA X CNG Detect
Enable
To enable detection of the fax Calling Tone (CNG), select
yes. Otherwise, select no.
Default setting: yes
Field Description

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