Call Command Behavior | Cisco Systems ATA 188 specs

Chapter 6 Call Commands

Call Command Behavior

Table 6-4 Call Command Behavior (continued)

	Cisco ATA State and its Definition	Summary of Commands (Input Sequence and Actions)

	3WAYCALLING: Cisco ATA is	United States:
	connected to two far end users on the	• R—Retrieve the WFE and go to CONFERENCE state.
	same line; one of them is in active	• R—Retrieve the WFE and go to CONFERENCE state.
	same line; one of them is in active	• ONH—Transfer the WFE to the AFE, drop out of the call, and go to
	conversation (the active far end or AFE)
	while the other is on-hold (the waiting far	PREDIAL state.
	end or WFE). This state is initially	Sweden:
	entered when the Cisco ATA is connected	Sweden:
	entered when the Cisco ATA is connected	• Same as for CALLWAITING state
	to one of the far ends, then places this far	• Same as for CALLWAITING state
	to one of the far ends, then places this far
	end on hold and calls the second far end.

	CONFERENCE: Cisco ATA is connected	United States:
	to two active far ends simultaneously;	• R—Disconnect the last callee and stay connected with the first party, and
	Cisco ATA performs audio mixing such
	Cisco ATA performs audio mixing such	revert to CONNECTED state.
	that every party can hear the other two	revert to CONNECTED state.
	that every party can hear the other two	Sweden:
	parties but not themselves.	Sweden:
		• R4—Transfer one FE to the other, drop out of the call, and go to PREDIAL
		state.

	PREDIAL_HOLDING: Cisco ATA user	United States and Sweden:
	places a connected call on-hold and	• *,#—Stop dial-tone, go to CONFIG_HOLDING state, and prepare to collect
	prepares to dial a second number;
	prepares to dial a second number;	a configuration command.
	Cisco ATA plays dial-tone.	a configuration command.
	Cisco ATA plays dial-tone.	• 0-9—Stop dial-tone, go to DIALING_HOLDING state, and prepare to

		complete dialing a second phone number.
		All Regions:
		• Stop dial-tone, retrieve the WFE, and revert to CONNECTED state.

	CONFIG_HOLDING: A connected FE is	United States:
	placed on hold, while the Cisco ATA is	• *67—CLIR for the next call
	entering a configuration command.	• *67—CLIR for the next call
	entering a configuration command.	• *82—CLIP for the next call
		• *82—CLIP for the next call
		• #90v#—Blind transfer to the number specified in 'v'; disconnect the call and
		go to PREDIAL state.
		Sweden:
		• #31# or *31#—CLIR in the next call
		• 90v#—Blind transfer to the number specified in 'v'; disconnect the call
		and go to PREDIAL (non-standard) state.
		All Regions:
		• R or any unrecognized sequence—Abort configuration, restart dial tone, and
		go to PREDIAL_HOLDING state.
		• A complete configuration sequence—Carry out the command, and go to
		PREDIAL_HOLDING state.

	DIALING_HOLDING: Cisco ATA user	• Collected digits match a dial-plan rule—Call the new number, and go to
	is entering a second phone number to call	CALLING_HOLDING state
	while placing a connected call on hold	• R—Abort dialing and revert to PREDIAL_HOLDING state.
		• R—Abort dialing and revert to PREDIAL_HOLDING state.

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

6-10	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 Call Command Behavior

Models: ATA 188

Table 6-4 Call Command Behavior (continued)

OL-4008-01

ATA 188 specifications