Cisco ATA 191 Administration Guide

For a deeper understanding of these fields, refer to Request for Comments (RFC) 3261.Note
SIP Parameters
Table 27: SIP Parameters Settings
DescriptionField
The maximum times a call can be forwarded. The
valid range is from 1 to 255.
Default setting: 70
Max Forward:
Number of times an invite can be redirected to avoid
an infinite loop.
Default setting: 5.
Max Redirection:
The maximum number of times (from 0 to 255) a
request may be challenged.
Default setting: 2
Max Auth:
The User-Agent header used in outbound requests. If
empty, the header is not included. Macro expansion
of $A to $D corresponding to GPP_A to GPP_D
allowed.
Default setting: $VERSION
SIP User Agent Name:
The server header used in responses to inbound
responses.
Default setting: $VERSION
SIP Server Name:
The User-Agent name to be used in a REGISTER
request. If this value is not specified, the SIP User
Agent Name parameter is also used for the
REGISTER request.
Default setting: Blank
SIP Reg User Agent Name:
Defines the SIP Reg message Sequence Number.
Default setting: Blank
SIP Reg Starting Sequence Number:
Accept-Language header used. There is no default;
this indicates that the ATA does not include this
header. If empty, the header is not included.
Default setting: Blank
SIP Accept Language:
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
37
Voice Settings Configuration
SIP 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)