ConnectMode

Chapter 5 Parameters and Defaults

Operating Parameters

Default

0x00000000

Voice Configuration Menu Access Code

304

Description

This parameter is a 32-bit bitmap used to control the connection mode of the selected call signaling protocol. Table 5-4 on page 5-28provides bit definitions for this parameter.

Value Type

Bitmap

Default 0x00060400

	Voice Configuration Menu Access Code
	311
Table 5-4 ConnectMode Parameter Bit Definitions

Bit Number	Definition

0	0—Use slow-start procedure (for H.225/Q.931 and H.245).
	1—Use fast-start procedure (for H.225/Q.931).

1	0/1—Disable/enable h245 tunneling.

2	0—Use the dynamic payload type 126/127 as the RTP payload type (fax pass-through mode) for G.711
	µ-law/G.711 A-law.
	1—Use the standard payload type 0/8 as the RTP payload type (fax pass-through mode) for G.711
	µ-law/G.711 A-law.

3	0—Do not perform full gatekeeper registration when the Cisco ATA switches to an alternate H.323
	gatekeeper.
	1—Perform full gatekeeper registration when the Cisco ATA switches to an alternate H.323 gatekeeper.

4	0—Denotes a non-Cisco CallManager environment.
	1—Enable the Cisco ATA to operate in a Cisco CallManager environment.

5	0/1—Enable/disable two-way cut-through of voice path before the Cisco ATA receives the CONNECT
	message.

6	0/1—Disable/enable using the Progress Indicator to determine if ringback is supplied by the far end with
	RTP.

7	0/1—Disable/enable fax pass-through redundancy.

8-12	Specifies the fax pass-through NSE payload type. The value is the offset to the NSE payload base number
	of 96. The valid range is 0-23; the default is 4.
	For example, if the offset is 4, the NSE payload type is 100.

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

5-28	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.

Cisco Systems ATA 188 manual ConnectMode

Models: ATA 188

0x00000000

ConnectMode

Bit Number

RTP.

For example, if the offset is 4, the NSE payload type is 100.

OL-4008-01

ATA 188 specifications