Cisco ATA 191 Administration Guide

Port Forwarding (ATA 192 Only)
Use the Network Setup > Application > Port Forwarding page if you require access to specific ports from
external devices.
List of Port Forwarding
To add a port forwarding rule, click Add Entry. To edit a port forwarding rule, select it in the list and then
click the pencil icon. To remove a port forwarding rule, click the delete icon.
Table 17: Port Forwarding Settings
DescriptionField
An identification number for the port forwarding rule.Number
The type of rule: Single Port Forwarding or Port
Range Forwarding.
Type
The status of the rule: Enabled or Disabled.Status
The application that uses this rule to access a network
resource.
Application
Port Forwarding Details
To display the details, click an entry in the List of Port Forwarding.
Table 18: Port Settings
DescriptionField
The port that external clients use to set up this
connection.
External Port
The port that the ATA uses when forwarding traffic
to the internal server.
Internal Port
The protocol that is used: TCP or UDP.Protocol
The IP address of the internal server accessed by this
rule.
IP Address
Manually Add Port Forwarding (ATA 192 Only)
Use this page to enter the port forwarding settings for an application.
Cisco ATA 191 and ATA 192 Analog Telephone Adapter Administration Guide for Multiplatform Firmware
29
Network Configuration
Port Forwarding (ATA 192 Only)

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)