4-11
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
Chapter4 Basic and Additional SIP Servi ces
Additional SIP Services
To forward calls to the number 555-1212 after a no-answer for 15 second s, enter the following:
#755551212*15#
To deactivate this feature, enter the following:
#73
Related Parameter
SigTimer, page 5-32—Bits 20 to 25
Setting Up and Placing a Call Without Using a SIP Proxy
The Cisco ATA supports direct IP-to-IP calls without using a SIP proxy. When a call is placed, the Cisco
ATA sends the INVITE request directly to the remote user agent and exepcts the usual 100/180/200
responses from the user agent.
This section contains the following topics:
•Configuration, page 4-11
•Placing an IP Call, page 4-12

Configuration

To perform the necessary configuration of the Cisco ATA, follow this procedure:
Procedure
Step 1 Open your Web browser.
Step 2 Enter the URL: http://<Cisco_ATA_IP_addre ss>/dev
where Cisco_ATA_IP_address is the IP address of your Cisco ATA. This takes you to the CiscoATA
Web configuration page.
Step 3 Configure the following parameters as shown:
•GkOrProxy, page 5-10—Set to the value of 0 (zero).
•UID0, page 5-9—Set to the unique telephone number of the Phone 1 port of the Cisco ATA.
•UID1, page 5-9—Set to the unique telephone number of the Phone 2 port of the Cisco ATA.
•UseSIP, page 5-14—Set to 1 to enable SIP mode.
•SIPRegOn, page 5-16—Set to 0 to disable SIP registration with a SIP proxy server.
Step 4 Click the Apply button to save these changes.