Cisco ATA 186 Manuale utente
CHAPTER
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Cisco ATA 186 Installation and Configuration Guide
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1
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
4)
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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