Cisco Systems Comprehensive Guide to SIP Configuration for Cisco ATA Devices

Chapter 4 Basic and Additional SIP Services

Additional SIP Services

To forward calls to the number 555-1212 after a no-answer for 15 seconds, 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_address>/dev

where Cisco_ATA_IP_address is the IP address of your Cisco ATA. This takes you to the Cisco ATA 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.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

OL-3410-01 4-11