Environmental specifications C-2, IN-3

5-29

5-25

3-18

Index

UseSIP 5-18
VLAN Setting	5-34
configuration-complete parameter			5-4
configuration file atadefault.cfg			3-12
configuration file encryption		3-11
configuration file mac<address>			3-12
configuration filename supplied by DHCP server				5-33
configuration settings for DHCP server 3-13
configuration steps in a non-TFTP Server
environment	3-6
configuration steps in a TFTP Server environment				3-5
configuration text file example		5-2
configuration update interval		5-6
congestion tone 5-44
ConnectMode parameter 5-28,7-3
Context-Identifiers	6-3,6-4

debugging 9-4
debugging, preserv.exe program 9-4
default boot load process 3-2
default values	5-2
DHCP enabled	5-7
DHCP option 150		5-34
DHCP options	3-14
DHCP parameter		5-7

DHCP server configuration settings				3-13
diagnostics for debugging			4-10
dialed digits 5-37
dial plan	5-37
Dial Plan Commands 5-38
DialPlan parameter		4-12,5-37
dial plans	4-12
dial string pattern		5-37
DialTone	5-43
dial tone	5-43
disabling access to Web interface				3-21
disabling CDP discovery			3-3

disabling VLAN encapsulation 3-3
disabling VLAN IP encapsulation			3-3
DNS1IP parameter	5-31
DNS2IP parameter	5-31
domain name server	5-31
downloading Cisco ATA software			3-7
DTMF method for caller ID		5-26
DTMF transmission method		4-11,5-21
dual-mode registration 4-3

dynamic alternate Gatekeeper feature 4-4

dynamic payload type 5-28

E.164 phone numbers			4-5,5-10,5-11
electrical specifications			C-2
encryption	5-6
encryption key		5-6
encryption of configuration file				3-11
EncryptKey	3-11
EncryptKey parameter			5-6,9-5
environmental specifications C-2
Ethernet ports		1-6
example configuration text file				5-2

factory defaults failback timeout 5-16

fast-start procedure 5-28

fax CED tone detection disabling 5-21

fax mode 7-1,7-6configuration

per-call basis 7-7

fax mode configuration 7-6,7-7Fax mode on a per-call basis fax pass-through 5-29

fax pass-through codec

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

	OL-4008-01	IN-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.

Cisco Systems ATA 188 manual Environmental specifications C-2, IN-3

Models: ATA 188

environmental specifications C-2

Ethernet ports

example configuration text file

IN-3

ATA 188 specifications