Appendix A Voice Configuration Menu Codes

Table A-2lists configuration codes. For additional information about these parameters, see “Chapter 5, “Parameters and Defaults.”

Table A-2 Cisco ATA Voice Menu Codes—Configuration Parameters

 

Voice Menu

 

Option

Code

Description

 

 

 

Audio mode

312

Allows finer control of the audio component to suit

 

 

certain user applications

 

 

 

Caller ID method

316

Specifies the signal format when generating the

 

 

Caller ID format to use

 

 

 

CA0orCM0

5

Primary call agent

 

 

 

CA1orCM1

6

Alternate call agent

 

 

 

Connection mode

311

Controls the connection mode of the call signaling

 

 

protocol

 

 

 

Dynamic Host Configuration

20

Controls whether the Cisco ATA can

Protocol (DHCP)

 

automatically obtain configuration parameters

 

 

from a server over the network

 

 

 

DNS 1 IP

916

IP address of the primary DNS server

 

 

 

DNS 2 IP

917

IP address of the secondary DNS server

 

 

 

Domain

931

Determines how the domain name portion of the

 

 

endpoint identifier is constructed.

 

 

 

EPID0or SID0

46

MGCP endpoint ID for line 0 (Phone 1 port)

 

 

 

EPID1or SID1

47

MGCP endpoint ID for line 1 (Phone 2 port)

 

 

 

Static IP address

1

IP address of the Cisco ATA

 

 

 

LBR codec

300

Low-bit-rate codec selection

 

 

 

Media port

202

Specifies which base port the Cisco ATA uses to

 

 

receive RTP media streams.

 

 

 

MGCPPort

201

The listening port for MGCP messages on the

 

 

Cisco ATA

 

 

 

MGCP protocol

38

Selects the signaling protocol

 

 

 

MGCPVer

206

MGCP version string

 

 

 

NPrintf address

81

IP address of a host to which all Cisco ATA debug

 

 

messages are sent

 

 

 

NumTXFrames

35

Sets the default RTP packet size

 

 

 

OpFlags

323

Enables operational features

 

 

 

PrfCodec

36

Specifies the preferred default codec

 

 

 

RetxIntv

203

First retransmission interval

 

 

 

RetxLim

205

Maximum number or times the Cisco ATA

 

 

retransmits commands

 

 

 

Set password

7387277

Configuration interface password

 

 

 

Signal timers

318

Timeout values controlling the starting or stopping

 

 

of a signaling event

 

 

 

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)

 

A-2

OL-4803-01

 

 

 

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Cisco Systems ATA 186, ATA 188 manual IP address of the primary DNS server, DNS 2 IP
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ATA 188, ATA 186 specifications

The Cisco Systems ATA 186, or Analog Telephone Adapter, revolutionized the way traditional telephony interacted with Voice over Internet Protocol (VoIP) systems. Designed primarily for home and small office use, the ATA 186 allows users to connect standard analog phones and fax machines to a network, enabling them to take advantage of the benefits of VoIP technology.

One of the defining features of the ATA 186 is its dual port architecture. It includes two FXS ports, allowing users to connect up to two analog telephones. This functionality means that multiple devices can leverage VoIP services simultaneously without the need for separate adapters for each phone. The flexibility of the ATA 186 helps streamline the user experience, facilitating voice communication over an IP network while ensuring users can still use their existing phone equipment.

The ATA 186 employs various technologies to maintain high-quality voice calls. It supports standard voice codecs such as G.711 and G.729, which ensure efficient bandwidth usage while preserving call clarity. The adaptive jitter buffer technology further enhances call quality, compensating for network variations and minimizing latency, which is crucial for clear and uninterrupted conversations.

Additionally, the ATA 186 provides users with advanced calling features that were traditionally available only on PBX systems. These features include caller ID, call waiting, and voicemail functionality, integrating seamlessly with typical telephony services. The device also supports T.38 fax relay, allowing users to send and receive faxes over the internet, thus addressing the needs of environments where fax communication remains essential.

The security of VoIP conversations is also a priority for the ATA 186. It employs encryption protocols such as Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS), ensuring that voice data is securely transmitted across the network. This focus on security helps protect sensitive information transmitted during calls.

Installation and configuration of the ATA 186 is streamlined, with an intuitive web-based interface that simplifies the setup process. This accessibility makes it suitable for users with varying levels of technical expertise, as frequently required adjustments, such as network configurations and firmware updates, can be easily managed.

In conclusion, the Cisco Systems ATA 186 stands out as a versatile and robust solution for users looking to integrate analog phones into a VoIP environment. With its dual port capabilities, high-quality voice codecs, advanced call features, and security measures, it offers a compelling choice for both residential and commercial users seeking seamless telephony integration. As technology evolves, devices like the ATA 186 remain cornerstones in bridging traditional telephony with modern communication systems.
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