Cisco Systems ATA 188 instruction

Appendix B Voice Menu Codes

Table B-2 Cisco ATA Voice Menu Codes—Configuration Parameters (continued)

	Voice Menu
Option	Code	Description

Rx codec	36	Selects the audio codec type to use to decode
		received data. The call-receiving station
		automatically adjusts to the call-initiating station's
		audio codec type if the call-receiving station
		supports that audio codec.

Set password	7387277	Configuration interface password

Signal timers	318	Timeout values controlling the starting or stopping
		of a signaling event

H.323 max number of redirects	205	Maximum number of redirections the Cisco ATA
		will attempt to reach a callee when making a call

Subnet mask	10	Specifies the subnet mask for the Cisco ATA

TFTP URL	905	IP address of the TFTP server when TFTP
		configuration is used

Timezone	302	Specifies offset to GMT—used to time-stamp
		incoming calls for caller ID

ToConfig	80001	Identifies unconfigured or already-configured
		Cisco ATAs

Trace Fflags	313	Enables logging of debug information

Tx Codec	37	Selects transmitting audio codec preference

UDP TOS bits	255	Determines the precedence and delay of UDP IP
		packets

UID 0	3	User ID (telephone number) for the PHONE 1 port

UID 1	13	User ID (telephone number) for the PHONE 2 port

Use login ID	93	Determines which pair (UIDx, PWDx or LoginIDx,
		PWDx) to use for authentication

Use TFTP	305	Enables TFTP as configuration method

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

	OL-4008-01	B-3

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.

Voice Menu

TFTP URL

User ID (telephone number) for the PHONE 1 port

User ID (telephone number) for the PHONE 2 port

ATA 188 specifications