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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor SCCP
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Cisco ATA 186 and Cisco ATA 188
Analog Telephone Adaptor SCCP


A. Overview

The Cisco ATA analog telephone adaptors are handset-to-Ethernet adaptors that allow regular analog telephones to operate on IP-based telephony networks. Cisco ATAs support two voice ports, each with an independent telephone number. The Cisco ATA 188 also has an RJ-45 10/100BASE-T data port.

The Cisco ATA, which operates with Cisco voice-packet gateways, uses broadband pipes deployed through digital subscriber line (DSL), fixed wireless, cable modem, and other Ethernet connections.

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B. Voice Codecs Supported

The Cisco ATA supports the following voice codecs (check your other network devices for the codecs they support):

  • G.711μ-law
  • G.711A-law
  • G.723.1
  • G.729
  • G.729A
  • G.729B
  • G.729AB

 

C. Installation Procedure

After the equipment is in place, see the figure below (for Cisco ATA 186 or Cisco ATA 188) and follow the next procedure to install the Cisco ATA.

 

Please click here to view a larger image

Procedure

  • Place the Cisco ATA near an electrical power outlet.
  • Connect one end of a telephone line cord to the Phone 1 input on the rear panel of the Cisco ATA.
  • Connect the other end to an analog telephone set.
  • (Optional) Connect the telephone line cord of a second telephone to the Phone 2 input port.
    If you are connecting only one telephone to the Cisco ATA, you must use the Phone 1 input port.
  • Connect an Ethernet cable to the uplink RJ-45 connector on the Cisco ATA. For the Cisco ATA 186,
    this is the 10BASE-T connector; for the Cisco ATA 188, this is the 10/100UPLINK connector.
  • (Cisco ATA 188 only—optional) Connect a straight-through Ethernet cable from your PC to the 10/100
    PC RJ-45 connector on the Cisco ATA.
  • Connect the socket end of the power cord to the Cisco-supplied 5V DC power adaptor.
  • Insert the power adaptor cable into the power connector on the Cisco ATA.
  • Connect the plug end of the 5V DC power adaptor cord into an electrical power outlet.

When the Cisco ATA is properly connected and powered up, the green activity LED flashes to indicate network activity. This LED is labeled ACT on the rear panel of the Cisco ATA 186 and is labeled LINK on the rear panel of the Cisco ATA 188.

D. Configuring the Cisco ATA for SCCP

You can configure the Cisco ATA for use with SCCP with any of the following methods:

  • By using the Cisco CallManager TFTP server—This is the Cisco-recommended method for deploying a large number of Cisco ATAs. This method allows you to set up a default configuration file for all Cisco ATAs in the network. Additionally, you can set up a configuration file that is unique to a specific Cisco ATA. When the Cisco ATA powers up or boots up from a reset, it automatically  downloads its configuration file from the Cisco CallManager TFTP server and updates its configuration parameters.
  • By using manual configuration:
    • Voice configuration menu—This is the method you must use if the process of establishing IP connectivity for the Cisco ATA requires changing the default network configuration settings. These settings are CDP, VLAN, and DHCP. You also can use the voice configuration menu to review all IP connectivity settings. The voice configuration menu can also be used when Web access is not available.
    • Web-based configuration—This method is convenient if you plan to deploy a small number of  Cisco ATAs in your network. To use this method, the Cisco ATA must first obtain IP connectivity, either through the use of a DHCP server or by using the voice configuration menu to statically configure IP addresses.

E. Cisco ATA Web Configuration Page

You can use the Cisco ATA web configuration page in a non-TFTP configuration environment, or in a TFTP configuration environment as a read-only record of individual customer parameters.

The following figure shows an example of the Cisco ATA web configuration page, which displays all configurable parameters.

Click here for a larger view Click the image for a larger view

You can access the web configuration page from any graphics-capable browser, such as Microsoft Internet Explorer or Netscape. This provides easy initial access to the Cisco ATA configuration within the administrator’s private network.

Procedure

  1. Make sure that your PC and the Cisco ATA are already networked and visible to each another.
  2. Open your web browser.
  3. Enter the URL for your configuration page. The default URL for the web server is:
    http://IP Address/dev
    For example, the configuration page for a Cisco ATA with the IP address 172.16.30.200 is:
    http://172.16.30.200/dev
  4. Select the values for the items that you want to configure. See Chapter 5, “Parameters and Defaults,”
    for a complete list of parameters and their definitions. Also see Table 3-5 on page 3-8 for an
    alphabetical listing of configurable features and references to their corresponding parameters.
  5. Click apply to save your changes. (The Cisco ATA automatically refreshes its configuration).
  6. Close your web browser.