Chapter 4 Basic and Additional H.323 Services

Complete Reference Table of all Cisco ATA H.323 Services

Table 4-4 Configurable Features and Related Parameters (continued)

Configurable Features

Related Parameters

 

 

User Interface and TFTP Features:

User Interface and TFTP Parameters:

User interface password

UIPassword, page 5-3

TFTP Configuration

UseTFTP, page 5-5,TftpURL, page 5-5,

 

 

 

OpFlags, page 5-33

TFTP Encryption key

EncryptKey, page 5-6

TFTP image upgrade

upgradecode (see the “Upgrading the

 

 

 

Signaling Image from a TFTP Server”

 

 

 

section on page 8-1)

TFTP configuration file retrieval interval

CfgInterval, page 5-6

HTTP refresh/reset access—disable/enable

OpFlags, page 5-33

Web configuration—enable/disable

OpFlags, page 5-33

 

 

Packet Precedence Features:

Packet Precedence Parameters:

UDP Type of Service (ToS) configuration

UDPTOS, page 5-31

802.1P Class of Service (Cos) Bit configuration

VLANSetting, page 5-34

 

 

Polarity settings for FXS ports

Polarity, page 5-27

 

 

Ring-cadence format

RingOnOffTime, page 5-36

 

 

Supplementary services configuration

CallCmd, page 5-46,CallFeatures, page 5-24,

 

 

PaidFeatures, page 5-25

 

 

Tone format: BusyTone, CallWaitTone

Call-Progress Tone Parameters, page 5-41,

ConfirmTone, DialTone, ReorderTone, and

SigTimer, page 5-32

RingBackTone parameters

 

 

 

 

 

 

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

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Cisco Systems ATA 188 manual OL-4008-01

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.