Chapter 4 Basic and Additional H.323 Services

Important Basic H.323 Services

Setting Up User IDs for the Cisco ATA

Each Cisco ATA can support two FXS ports. You can assign a user ID, which is usually an E.164 phone number, to each port. Use the Cisco ATA parameter UID0 to configure an ID for the Phone 1 port, and use the UID1 parameter for the user ID of the Phone 2 port.

Related Configuration Parameters

•UID0, page 5-10

•UID1, page 5-11

Using the Cisco ATA with an H.323 Gatekeeper

The Cisco ATA can function with an H.323 gatekeeper to enable Cisco ATA registration, admission, and use of directory services on an H.323 network. To use the Cisco ATA with a primary H.323 gatekeeper, you need to configure the GkOrProxy parameter with the IP address assigned to the primary H.323 gatekeeper. Optionally, you can specify the primary gatekeeper identifier using the GkId parameter if this identifier is required for the Cisco ATA to successfully register with the H.323 network.

This section contains the following topics:

•Choosing Cisco ATA Registration Mode with an H.323 Gatekeeper, page 4-3

•Setting Up Gatekeeper Time-To-Live Value, page 4-4

•Setting Up an Alternate H.323 Gatekeeper, page 4-4

•Establishing Authentication with Cisco H.323 Gatekeeper, page 4-5

Related Configuration Parameters

•GkOrProxy, page 5-15

•GkId, page 5-17

Choosing Cisco ATA Registration Mode with an H.323 Gatekeeper

The Cisco ATA can register with an H.323 gatekeeper in one of two modes:

•Single registration—Both Cisco ATA FXS ports register at the same time with the H.323 gatekeeper. This reduces gatekeeper registration traffic by 50 percent when both ports are enabled.

•Dual registration—Each FXS port registers separately with the H.323 gatekeeper.

To configure single-mode registration, you need to set the UseLoginID parameter to 1, and then configure the LoginID1 and LoginID2 parameters with identical values. The LoginID1 and LoginID2 parameters are used for the H.323 ID, whereas the UID0 and UID1 parameter values are used as E.164 phone numbers.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)

 

OL-4008-01

4-3

 

 

 

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Cisco Systems ATA 188 Setting Up User IDs for the Cisco ATA, Using the Cisco ATA with an H.323 Gatekeeper, UID0, UID1
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ATA 188 specifications

The Cisco Systems ATA 188 is a versatile Analog Telephone Adapter designed to facilitate the integration of traditional telephone systems with Voice over Internet Protocol (VoIP) networks. This device has been key in bridging the gap between legacy telephony and modern IP-based communication, allowing users to leverage their existing analog phones while enjoying the benefits of digital connectivity.

One of the main features of the ATA 188 is its ability to connect regular analog phones to a VoIP network, enabling users to make and receive calls over the internet. This significantly reduces calling costs, especially for long-distance and international calls. The ATA 188 supports two phone lines, allowing simultaneous voice calls. This dual-line capability makes it a suitable choice for small businesses or home offices that require multiple lines without the need for extensive infrastructure.

The device is equipped with various technologies that enhance its functionality. It supports the Session Initiation Protocol (SIP) and H.323, making it compatible with a wide range of VoIP service providers. Additionally, the ATA 188 features Quality of Service (QoS) settings, which prioritize voice traffic over the internet, ensuring clear voice quality without interruptions or delays. This is essential for maintaining a professional communication experience, especially in business environments.

Another characteristic of the ATA 188 is its user-friendly configuration interface. It allows users to easily set up and manage their devices through a web-based portal. The configuration process is straightforward, with options to adjust settings such as codec selection, call features including call waiting, and call forwarding functionalities.

Security is also a priority for the ATA 188, as it provides robust protocols to protect call data. The device supports Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS) to encrypt voice traffic and manage signaling securely. This ensures that sensitive conversations remain confidential.

Overall, the Cisco Systems ATA 188 is a reliable and efficient solution for users looking to transition from traditional telephony to VoIP. Its dual-line capacity, compatibility with multiple VoIP standards, user-friendly configuration, and built-in security features make it a valuable asset for both personal and professional communication solutions. In an ever-evolving telecommunications landscape, the ATA 188 remains a relevant and practical choice for integrating legacy telephony with modern internet-based services.
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