Cisco ATA 191 Administration Guide

DescriptionField
G.711a codec name used in SDP.
Default setting: PCMA
G711a Codec Name
G.726-32 codec name used in SDP.
Default setting: G726-32
G726r32 Codec Name
G.729a codec name used in SDP.
Default setting: G729a
G729a Codec Name
G.729b codec name used in SDP.
Default setting: G729ab
G729b Codec Name
EncapRTP codec name used in SDP.
Default setting: encaprtp
EncapRTP Codec Name
NAT Support Parameters
Table 32: NAT Support Parameters
DescriptionField
If you select Yes, the ATA processes the received
parameter in the VIA header. The server inserts this
value in a response to any one of its requests. If you
select No, the parameter is ignored.
Default setting: No
Handle VIA received.
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.
Default setting: No
Handle VIA rport.
Inserts the received parameter into the VIA header
of SIP responses if the received-from IP and VIA
sent-by IP values differ.
Select Yes or No from the drop-down menu.
Default setting: No
Insert VIA received.
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
46
Voice Settings Configuration
NAT Support Parameters

Cisco ATA 191 Specifications

General

Fax Support	T.38 Fax Relay
Relative Humidity	10% to 90% (non-condensing)
Ports	2 FXS ports
Voice Protocol	SIP
Protocols	SIP, RTP, RTCP
Power	5V DC
Network Interfaces	10/100BASE-T Ethernet port
Operating Temperature	32°F to 104°F (0°C to 40°C)
Audio Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Voice Codecs	G.711 (a-law and μ-law), G.729a, G.722, G.726
Storage Temperature	14 to 140°F (-10 to 60°C)