Cisco ATA 186 Manuale utente

CHAPTER

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Cisco ATA 186 Overview

This chapter provides an overview of the Cisco ATA 186 Analog Telephone

Adaptor and describes the system features.

About the Cisco ATA 186

The Cisco ATA 186:

•Is an Internet telephony appliance that converts any regular analog telephone

into an Internet telephone.

•Converts voice into IP data packets that are sent over a network.

•Is installed at the subscriber’s premises.

•Supports two voice ports with their own telephone numbers.

•Has one 10BaseT RJ-45 port and two RJ-11 FXS standard analog telephone

ports.

•Supports both low-complexity voice codecs, such as G.711 ,G.711A-law, and

high-complexity/CELP codecs, such as G.723.1 and G.729A.

•Can be configured to use either the H.323 or the SIP call signaling protocol.

•Operates with Cisco Voice Packet Gateways.

•Operates with H.323- or SIP-compliant Voice Packet Gateways.

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Chapter 1 Cisco ATA 186 Overview About the Cisco ATA 186

Hardware Features

The Cisco ATA 186 features the hardware options listed in this section and shown

in Figure 1-1.

Figure 1-1 Features of the Cisco ATA 186

A—Phone 1 connector (RJ-11)

B—Phone 2 connector (RJ-11)

C—10Base-T Ethernet connector

D—12V power connector

10BaseT ACT 5VPHONE 1 PHONE 2

62423

ABC D

Function button

Indicator LED

ANALOG TELEPHONE ADAPTOR

CISCO ATA 186

Chapter 1 Cisco ATA 186 Overview

About the Cisco ATA 186

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•Dual RJ-11 Ports

–

Supports two independent RJ-11 telephone ports that can connect to any

standard analog telephone device. Each port supports either voice calls

or FAX sessions, so that the user can talk on one port while sending a

FAX on the other.

–

There are two RJ-11 FXS port terminating impedance options, 600 Ohms

resistive or 270 Ohms + 750 Ohms // 150 nF complex impedance. The

impedance of the Cisco ATA 186 depends on the option ordered and must

match the particular application. If you are not sure of the applicable

configuration, check the country or regional telephone impedance

requirements.

•Indicators

–

Function Button

The Cisco ATA 186 function button is located in the top panel of the

device. The function button lights when you pick up the handset of a

telephone attached to the Cisco ATA 186. When the function button

blinks, the device is in configuration search or upgrade mode. You also

use the function button to access the interactive voice response (IVR)

configuration menu. To configure the Cisco ATA 186 by using the IVR

mode, see Chapter 3, “Configuring the Cisco ATA 186.”

–

Activity LED

The green Activity LED located on the back panel flashes to indicate

network activity.

•5 Volt power adapter connector (adapter included)

•10Base-T Ethernet port

Additional Feature

Supports polarity reversal before and after caller-ID signal.

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Chapter 1 Cisco ATA 186 Overview About the Cisco ATA 186

Software Features

Features of the Cisco ATA 186 depend on the protocol used.

General Features

Table 1-1 includes information on features that are available for all protocols.

Table 1-1 Features Available for all Signaling Protocols

Description Details

Basic provisioning (TFTP Profiling) API, profile generation, client provisioning, RC4

encryption, and hard key

Call forwarding always from the Cisco ATA 186

Call forwarding on no answer from the

Cisco ATA 186

Call forwarding on busy from the Cisco ATA 186

Call waiting

Calling Line ID Presentation (CLIP)

Calling Line ID Rejection (CLIR)

Comfort noise generation (CNG)

Configurable ring specification

Dial Plan Support Feature access code support

Domain Name Server (DNS) Lookup

DTMF Caller ID On-hook only

Dynamic Jitter Buffering

Fax Detect/Passthrough G.711, Codec re-negotiation

Frequency Shift Key (FSK) Caller ID On-hook only

Line-echo cancellation 8 ms fixed echo length setting

Local ring-back tone

Remote diagnostics/monitor (trace of execution)

Chapter 1 Cisco ATA 186 Overview

About the Cisco ATA 186

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H.323-specific Features

Three-way calling (conferencing) The Cisco ATA 186 will automatically switch to

G.711 in this mode.

Type of Service (TOS) bit for Quality of Service

(QOS)

Voice activity detection (VAD)

Table 1-2 H.323-speciﬁc Features

Description Details

Alternate gatekeeper

Call proceeding

Cisco registration- and admission-level security

support Uses MD5 hashing

Uses access/clear token

Dual Tone Multiple Frequency (DTMF) relay H.245

Empty cap set

Fast start/tunneling/early H.245 Including H.245 messages in the Alert message

Table 1-1 Features Available for all Signaling Protocols

Description Details

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Chapter 1 Cisco ATA 186 Overview About the Cisco ATA 186

SIP Specific Features

Table 1-3 SIP Features

Description Details

Authentication Digest Authentication

DTMF Relay RFC 2833

Call Forwarding Unconditionally, on no answer, or on busy

Call Return

Call Transfer With or without consultation

Message Waiting Indication (MWI) Plays an intermittent dial tone if there is a message

waiting. Otherwise, plays a normal dial tone.

Third-party call control

Chapter 1 Cisco ATA 186 Overview

About Supported Standards and Protocols

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About Supported Standards and Protocols

The following standards are supported on the Cisco ATA 186:

•Network interface: one RJ-45 8-wire connector, IEEE 802.3 10Base-T

standard

•Two RJ-11 FXS standard analog telephone voice ports, up to 5 ringer

equivalency number (REN) per port, depending on loop length

•ITU G.711 , G.711A, G.723.1 Annex A, and G.729 Annex A voice codecs

•G.723.1 Annex A, voice activity detection (VAD)/comfort noise generation

(CNG): bandwidth saving algorithm

•ITU H.323 V.2 call signaling protocol

•SIP: RFC 2543bis

•LSSGR: Signaling for analog interfaces GR-506-CORE

•RTP: real-time transmission Internet protocol

•ITU-T V.42/V.42bis and MNP2-10 error correction and data compression

•AVT Tones: RFC 2833

•DHCP: RFC 2131

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Chapter 1 Cisco ATA 186 Overview About Supported Standards and Protocols

Electrical Specifications

Environmental Specifications

Table 1-4 Electrical Speciﬁcations

Category Specification

Voltage +5.0 VDC at 1.5 A maximum

Power 0.25 to 7.5 Watts (idle, maximum)

Power adaptor Universal AC/DC

3.3 x 2.0 x 1.3 in (~8.5 x 5.0 x 3.2 cm)

4.8 oz (135 gm) for the AC-input external power

adaptor

4 ft (1.2 m) DC cord

Class II transformer

6 ft (1.8 m) cord

UL/CUL, CE agency approvals

Table 1-5 Environmental Speciﬁcations

Category Specification

Operating Temperature 32˚ to 122˚ F (0 to 50˚ C)

Storage Temperature -22˚ to 149˚ F (-30˚ to 65˚ C)

Relative Humidity 10 to 90% non-condensing, operating and storage

Chapter 1 Cisco ATA 186 Overview

About Supported Standards and Protocols

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Standards Compliance

Table 1-6 Standards Compliance

Category Specification

Agency approvals UL/C-UL

FCC (Declaration of Conformity) Class B part 15 and part

68.

European Union, CE mark (Declaration of Conformity)

Industry Canada (Declaration of Conformity)

ACA (Declaration of Conformity)

VCCI (Declaration of Conformity)

Safety standards UL60950

CAN/CSA-C22.2 No. 60950-00

IEC 60950 (Second Edition with Amendments 1, 2, 3, and

EN60950:1992 (with Amendments 1, 2, 3, 4, and 11)

AS/NZS 3260:1993 (with Amendments 1, 2, 3, and 4)

TS001:1997

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Chapter 1 Cisco ATA 186 Overview About Supported Standards and Protocols

Dimensions

Emissions CFR 47 Part 15 Class B 2000

EN55024, EN50082-1

EN55022/CISPR22 Class B

VCCI Class B

AS/NZS 3548:1995 Class B

ICES-003 (Issue 2, Class B, April 1997)

Immunity EN50082-1 including the following

EN61000-3-2, Electromagnetic Compatibility

EN61000-3-3, Electromagnetic Compatibility

EN61000-4-2, ESD

EN61000-4-3, Radiated Immunity

EN61000-4-4, Burst Transients

EN61000-4-5, Surge

EN61000-4-6, Injected RF

EN61000-4-11, Dips and Sags

Table 1-7 Dimensions

Category Specification

Length 6.5 in (16.5 cm)

Width 6 in (15.25 cm)

Height 1.5 in (3.8 cm)

Weight 15 oz (425 gm)

Table 1-6 Standards Compliance

Category Specification

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