Chapter 6 Call Commands

Call Command Behavior

Call Command Behavior

Table 6-4summarizes differing Call Command behavior based on the U.S. and Sweden default call commands.

U.S. Call Command Default

Af;AH;BS;NA;CS;NA;Df;EB;Ff;EP;Kf;EFh;HQ;Jf;AFh;HQ;I*67;gA*82;fA#90v#;OI;H#72v#;bA#74

v#;cA#75v#;dA#73;eA*67;gA*82;fA*70;iA*69;DA*99;xA;Uh;GQ;Af;AH;

Sweden Call Command Default

BS;NA;CS;NA;Df;EB;Ff0;ARf1;HPf2;EPf3;AP;Kf1;HFf2;EFf3;AFf4;HQ;Jf1;HFf2;EFf3;AFf4;HQ;A

f4;HQ;I*31#;gA#31#;gA*90*v#;OI;H*21*v#;bA*61*v#;dA*67*v#;cA#21#;eA#61#;eA#67#;eA*31#

;gA#31#;gA*43#;hA#43#;iA*69#;DA*99#;xA;Uh;GQ;

Table Notations

The following notations are used in Table 6-4:

•FE—Far end

•AFE—Active Far End, which is a connected far end that is not placed on hold

•WFE—Waiting Far End, which is a connected far end being placed on hold, or an incoming caller waiting to be answered

•R—Hook Flash

•ONH—On Hook

•OFH—Off Hook

•0-9,*,#—DTMF digits

•v—a variable length string, usually a phone number, and does not include #

•CWT—call-waiting tone

Note The notations in Table 6-4include abbreviations for input sequence behavior. Refer to the tables and syntax examples shown earlier in this section. The Summary of Commands column in Table 6-4is based on the actual command syntax used in the default Call Command strings for the United States and Sweden.

Table 6-4 Call Command Behavior

Cisco ATA State and its Definition

Summary of Commands (Input Sequence and Actions)

 

 

IDLE: Phone is on-hook; Cisco ATA is

• OFH—Start dial tone and go to PREDIAL state.

waiting for incoming call

• New incoming call or a waiting call (started before it enters IDLE)—Start

 

 

ringing the phone and go to the RINGING state.

 

 

PREDIAL: Phone just went off-hook but

United States and Sweden:

no DTMF has been entered yet;

• # , *—Stop dial-tone, go to the CONFIG state, and prepare to accept a

Cisco ATA plays dial-tone

complete configuration sequence.

 

 

• 0-9: Stop dial tone, start invoking dial-plan rules, and go to the DIALING

 

state to accept a complete phone number.

 

 

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

 

OL-4008-01

6-7

 

 

 

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Cisco Systems ATA 188 manual Call Command Behavior, Sweden Call Command Default, Table Notations
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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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