Cisco Systems 188, 186 User Manual

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

Corporate Headquarters

Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Text Part Number: OL-3410-01

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

• Turn the television or radio antenna until the interference stops.

• Move the equipment to one side or the other of the television or radio.

• Move the equipment farther away from the television or radio.

• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0301R)

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

Preface xi

Overview xi

Audience xi

Organization xii

Conventions xii

Preface

This preface includes the following sections:

• Overview, page xi

• Audience, page xi

• Organization, page xii

• Conventions, page xii

• Related Documentation, page xiv

• Obtaining Documentation, page xv

Overview

Note The term Cisco ATA is used throughout this manual to refer to both the Cisco ATA 186 and the

Audience

• Obtaining Technical Assistance, page xvi

The Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP) provides the information you need to install, configure and manage the Cisco ATA 186 and Cisco ATA 188 on a Session Initiation Protocol (SIP) network.

Cisco ATA 188, unless differences between the Cisco ATA 186 and Cisco ATA 188 are explicitly stated.

This guide is intended for service providers and network administrators who administer Voice over IP (VoIP) services using the Cisco ATA. Most of the tasks described in this guide are not intended for end users of the Cisco ATA. Many of these tasks impact the ability of the Cisco ATA to function on the network, and require an understanding of IP networking and telephony concepts.

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Preface

Organization

Table 1 provides an overview of the organization of this guide.

Table 1 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP) Organization

Chapter Description

Chapter 1, “Cisco Analog Telephone Adaptor Overview” Provides descriptions of hardware and software features of

the Cisco ATA Analog Telephone Adaptor along with a brief overview of the Session Initiation Protocol (SIP).

Chapter 2, “Installing the Cisco ATA” Provides information about installing the Cisco ATA.

Chapter 3, “Configuring the Cisco ATA for SIP” Provides information about configuring the Cisco ATA and

the various methods for configuration.

Chapter 4, “Basic and Additional SIP Services” Provides information about SIP services that the Cisco ATA

supports.

Chapter 5, “Parameters and Defaults,” Provides information on all parameters and defaults that you

can use to configure the Cisco ATA.

Chapter 6, “Call Commands” Provides the Cisco ATA call commands for SIP.

Chapter 7, “Configuring and Debugging Fax Services” Provides instructions for configuring both ports of the

Cisco ATA to support fax transmission.

Chapter 8, “Upgrading the Cisco ATA Signaling Image” Provides instructions for remotely upgrading Cisco ATA

software.

Chapter 9, “Troubleshooting” Provides basic testing and troubleshooting procedures for the

Cisco ATA.

Appendix A, “Using SIP Supplementary Services” Provides end-user information about pre-call and mid-call

services.

Appendix B, “Voice Menu Codes” Provides a quick-reference list of the voice configuration

menu options for the Cisco ATA.

Appendix C, “Cisco ATA Specifications” Provides physical specifications for the Cisco ATA.

Appendix D, “SIP Call Flows” Provides Cisco ATA call flows for SIP scenarios.

Glossary Provides definitions of commonly used terms.

Index Provides reference information.

Conventions

This document uses the following conventions:

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

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• Alternative keywords are grouped in braces and separated by vertical bars (for example, {x | y | z}).

• Arguments for which you supply values are in italic font.

• Commands and keywords are in boldface font.

• Elements in square brackets ([ ]) are optional.

• Information you must enter is in boldface screen font.

• Optional alternative keywords are grouped in brackets and separated by vertical bars (for example,

[x | y | z]).

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Preface

• Terminal sessions and information the system displays are in screen font.

Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the

publication.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

Tip Means the following information will help you solve a problem. The tips information might not be

troubleshooting or even an action, but could be useful information, similar to a Timesaver.

Caution Means reader be careful. In this situation, you might do something that could result in equipment

damage or loss of data.

Conventions

Warning

Waarschuwing

Varoitus

Attention

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. (To see translations of the warnings that appear in this publication, refer to the appendix “Translated Safety Warnings.”)

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico’s en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. (Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het aanhangsel “Translated Safety Warnings” (Vertalingen van veiligheidsvoorschriften) raadplegen.)

Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. (Tässä julkaisussa esiintyvien varoitusten käännökset löydät liitteestä "Translated Safety Warnings" (käännetyt turvallisuutta koskevat varoitukset).)

Ce symbole d’avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures. Avant d’accéder à cet équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures courantes de prévention des accidents. Pour obtenir les traductions des mises en garde figurant dans cette publication, veuillez consulter l’annexe intitulée « Translated Safety Warnings » (Traduction des avis de sécurité).

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Obtaining Documentation

These sections explain how to obtain documentation from Cisco Systems.

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at this URL:

http://www.cisco.com

Translated documentation is available at this URL:

http://www.cisco.com/public/countries_languages.shtml

Obtaining Documentation

Documentation CD-ROM

Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM package, which is shipped with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or through an annual subscription.

Ordering Documentation

You can order Cisco documentation in these ways:

• Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from

the Networking Products MarketPlace:

http://www.cisco.com/cgi-bin/order/order_root.pl

• Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription

Store:

http://www.cisco.com/go/subscription

• Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, U.S.A.) at 408 526-7208 or, elsewhere in North America, by calling 800 553-NETS (6387).

Documentation Feedback

You can submit comments electronically on Cisco.com. In the Cisco Documentation home page, click the Fax or Email option in the “Leave Feedback” section at the bottom of the page.

You can e-mail your comments to bug-doc@cisco.com.

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Obtaining Technical Assistance

You can submit your comments by mail by using the response card behind the front cover of your document or by writing to the following address:

Cisco Systems Attn: Document Resource Connection 170 West Tasman Drive San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain online documentation, troubleshooting tips, and sample configurations from online tools by using the Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access to the technical support resources on the Cisco TAC Web Site.

Cisco.com

Preface

Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information, networking solutions, services, programs, and resources at any time, from anywhere in the world.

Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides a broad range of features and services to help you with these tasks:

• Streamline business processes and improve productivity

• Resolve technical issues with online support

• Download and test software packages

• Order Cisco learning materials and merchandise

• Register for online skill assessment, training, and certification programs

If you want to obtain customized information and service, you can self-register on Cisco.com. To access Cisco.com, go to this URL:

http://www.cisco.com

Technical Assistance Center

The Cisco Technical Assistance Center (TAC) is available to all customers who need technical assistance with a Cisco product, technology, or solution. Two levels of support are available: the Cisco TAC Web Site and the Cisco TAC Escalation Center.

Cisco TAC inquiries are categorized according to the urgency of the issue:

• Priority level 4 (P4)—You need information or assistance concerning Cisco product capabilities,

product installation, or basic product configuration.

xvi

• Priority level 3 (P3)—Your network performance is degraded. Network functionality is noticeably

impaired, but most business operations continue.

• Priority level 2 (P2)—Your production network is severely degraded, affecting significant aspects

of business operations. No workaround is available.

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• Priority level 1 (P1)—Your production network is down, and a critical impact to business operations

The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of service contracts, when applicable.

Cisco TAC Web Site

You can use the Cisco TAC Web Site to resolve P3 and P4 issues yourself, saving both cost and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To access the Cisco TAC Web Site, go to this URL:

http://www.cisco.com/tac

All customers, partners, and resellers who have a valid Cisco service contract have complete access to the technical support resources on the Cisco TAC Web Site. The Cisco TAC Web Site requires a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to this URL to register:

http://www.cisco.com/register/

If you are a Cisco.com registered user, and you cannot resolve your technical issues by using the Cisco TAC Web Site, you can open a case online by using the TAC Case Open tool at this URL:

Obtaining Technical Assistance

will occur if service is not restored quickly. No workaround is available.

http://www.cisco.com/tac/caseopen

If you have Internet access, we recommend that you open P3 and P4 cases through the Cisco TAC Web Si te.

Cisco TAC Escalation Center

The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These classifications are assigned when severe network degradation significantly impacts business operations. When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case.

To obtain a directory of toll-free Cisco TAC telephone numbers for your country, go to this URL:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

Before calling, please check with your network operations center to determine the level of Cisco support services to which your company is entitled: for example, SMARTnet, SMARTnet Onsite, or Network Supported Accounts (NSA). When you call the center, please have available your service agreement number and your product serial number.

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Preface

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CHAPTER

Cisco Analog Telephone Adaptor Overview

This section describes the hardware and software features of the Cisco Analog Telephone Adaptor (Cisco ATA) and includes a brief overview of the Session Initiation Protocol (SIP).

The Cisco ATA analog telephone adaptors are handset-to-Ethernet adaptors that allow regular analog telephones to operate on IP-based telephony networks. Cisco ATAs support two voice ports, each with an independent telephone number. The Cisco ATA 188 also has an RJ-45 10/100

This section covers the following topics:

• Session Initiation Protocol (SIP) Overview, page 1-2

• Hardware Overview, page 1-5

• Software Features, page 1-7

• Installation and Configuration Overview, page 1-10

Figure 1-1 Cisco ATA Analog Telephone Adaptor

BASE-T data port.

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CISCO ATA 186

ANALOG TELEPHONE ADAPTO

The Cisco ATA, which operates with Cisco voice-packet gateways, makes use of broadband pipes that are deployed through a digital subscriber line (DSL), fixed wireless-cable modem, and other Ethernet connections.

Note The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, unless otherwise stated.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)

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1-1

Session Initiation Protocol (SIP) Overview

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Figure 1-2 Cisco ATA 186 as Endpoint in SIP Network

Chapter 1 Cisco Analog Telephone Adaptor Overview

Telephone/fax

Figure 1-3 Cisco ATA 188 as Endpoint in SIP Network

Telephone/fax

Cisco ATA 186

Cisco ATA 188

Ethernet

Broadband CPE

(DSL, cable,

fixed wireless)

Ethernet

Broadband CPE

(DSL, cable,

fixed wireless)

Broadband

Layer 3

IP infrastructure

SIP proxy

Layer 3

IP infrastructure

Voice

gateway

PSTN

Voice

gateway

PSTN

Session Initiation Protocol (SIP) Overview

Session Initiation Protocol (SIP) is the Internet Engineering Task Force (IETF) standard for real-time calls and conferencing over Internet Protocol (IP). SIP is an ASCII-based, application-layer control protocol (defined in RFC3261) that can be used to establish, maintain, and terminate multimedia sessions or calls between two or more endpoints.

Like other Voice over IP (VoIP) protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. Session management provides the ability to control the attributes of an end-to-end call.

Note SIP for the Cisco ATA is compliant with RFC2543.

This section contains the following topics:

• SIP Capabilities, page 1-3

• Components of SIP, page 1-3

SIP proxy

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1-2

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Chapter 1 Cisco Analog Telephone Adaptor Overview

SIP Capabilities

SIP provides the following capabilities:

• Determines the availability of the target endpoint. If a call cannot be completed because the target

endpoint is unavailable, SIP determines whether the called party is already on the phone or did not answer in the allotted number of rings. SIP then returns a message indicating why the target endpoint was unavailable.

• Determines the location of the target endpoint. SIP supports address resolution, name mapping, and

call redirection.

• Determines the media capabilities of the target endpoint. Using the Session Description Protocol

(SDP), SIP determines the lowest level of common services between endpoints. Conferences are established using only the media capabilities that are supported by all endpoints.

• Establishes a session between the originating and target endpoint. If the call can be completed, SIP

establishes a session between the endpoints. SIP also supports mid-call changes, such as adding another endpoint to the conference or changing the media characteristic or codec.

• Handles the transfer and termination of calls. SIP supports the transfer of calls from one endpoint

to another. During a call transfer, SIP establishes a session between the transferee and a new endpoint (specified by the transferring party) and terminates the session between the transferee and the transferring party. At the end of a call, SIP terminates the sessions between all parties. Conferences can consist of two or more users and can be established using multicast or multiple unicast sessions.

Session Initiation Protocol (SIP) Overview

Components of SIP

SIP is a peer-to-peer protocol. The peers in a session are called User Agents (UAs). A user agent can function in one of the following roles:

• User agent client (UAC)—A client application that initiates the SIP request.

• User agent server (UAS)—A server application that contacts the user when a SIP request is received

and returns a response on behalf of the user.

Typically, a SIP endpoint is capable of functioning as both a UAC and a UAS, but functions only as one or the other per transaction. Whether the endpoint functions as a UAC or a UAS depends on the UA that initiated the request.

From an architectural standpoint, the physical components of a SIP network can also be grouped into two categories—Clients and servers. Figure 1-4 illustrates the architecture of a SIP network.

Note SIP servers can interact with other application services, such as Lightweight Directory Access Protocol

(LDAP) servers, a database application, or an extensible markup language (XML) application. These application services provide back-end services such as directory, authentication, and billable services.

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Session Initiation Protocol (SIP) Overview

Figure 1-4 SIP Architecture

SIP user agents

Chapter 1 Cisco Analog Telephone Adaptor Overview

SIP proxy and

redirect servers

SIP

SIP SIP

SIP gateway

SIP Clients

SIP Servers

RTP

Legacy PBX

PSTN

72342

SIP clients include:

• Gateways—Provide call control. Gateways provide many services, the most common being a

translation function between SIP conferencing endpoints and other terminal types. This function includes translation between transmission formats and between communications procedures. In addition, the gateway also translates between audio and video codecs and performs call setup and clearing on both the LAN side and the switched-circuit network side.

• Telephones—Can act as either a UAS or UAC. The Cisco ATA can initiate SIP requests and respond

to requests.

SIP servers include:

• Proxy server—The proxy server is an intermediate device that receives SIP requests from a client

and then forwards the requests on the client’s behalf. Proxy servers receive SIP messages and forward them to the next SIP server in the network. Proxy servers can provide functions such as authentication, authorization, network access control, routing, reliable request retransmission, and security.

1-4

• Redirect server—Receives SIP requests, strips out the address in the request, checks its address

tables for any other addresses that may be mapped to the address in the request, and then returns the results of the address mapping to the client. Redirect servers provide the client with information about the next hop or hops that a message should take, then the client contacts the next hop server or UAS directly.

• Registrar server—Processes requests from UACs for registration of their current location. Registrar

servers are often co-located with a redirect or proxy server.

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Chapter 1 Cisco Analog Telephone Adaptor Overview

Hardware Overview

The Cisco ATA 186 and Cisco ATA 188 are compact, easy to install devices. Figure 1-5 shows the rear panel of the Cisco ATA 186. Figure 1-6 shows the rear panel of the Cisco ATA 188.

Figure 1-5 Cisco ATA 186—Rear View

RJ-11 FXS ports

Figure 1-6 Cisco ATA 188—Rear View

RJ-45 10BaseT

Hardware Overview

10BaseT ACT 5VPHONE 1 PHONE 2

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Power connector

ACT LED

RJ-11 FXS ports

10/100 UPLINK10/100 PC LINKLINK 5VPHONE 1 PHONE 2

LINK LED

RJ-45 10/100BaseT ports

72211

Power connector

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Hardware Overview

Note The Cisco ATA186-I1 and Cisco ATA188-I1 provide 600-ohm resistive impedance. The Cisco

Chapter 1 Cisco Analog Telephone Adaptor Overview

The unit provides the following connectors and indicators:

• 5V power connector.

• Two RJ-11 FXS (Foreign Exchange Station) ports—The Cisco ATA 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, and both ports can be used simultaneously.

ATA186-I2 and Cisco ATA188-I2 provide 270 ohm + 750 ohm // 150-nF complex impedance. The impedance option is requested when you place your order and should match your specific application. If you are not sure of the applicable configuration, check your country or regionaltelephone impedance requirements.

• Ethernet ports

–

The Cisco ATA 186 has one RJ-45 10BASE-T uplink Ethernet port to connect the Cisco ATA 186 to a 10/100BASE-T hub or another Ethernet device.

–

The Cisco ATA 188 has two Ethernet ports: an RJ-45 10/100BASE-T uplink port to connect the Cisco ATA 188 to a 10/100BASE-T hub or another Ethernet device and an RJ-45 10/100BASE-T data port to connect an Ethernet-capable device, such as a computer, to the network.

Note The Cisco ATA 188 performs auto-negotiation for duplexity and speed and is capable of 10/100 Mbps,

full-duplex operation. The Cisco ATA 186 is fixed at 10 Mbps, half-duplex operation.

• The Cisco ATA 188 RJ-45 LED shows network link and activity. The LED blinks twice when the

Cisco ATA is first powered on, then turns off if there is no link or activity. The LED blinks to show network activity and is solid when there is a link.

• The Cisco ATA 186 RJ-45 LED is solid when the Cisco ATA is powered on and blinks to show

network activity.

• Function button—The function button is located on the top panel of the unit (see Figure 1-7).

Figure 1-7 Function Button

Function

button

CISCO ATA 186

ANALOG TELEPHONE ADAPTOR

72214

1-6

The function button lights when you pick up the handset of a telephone attached to the Cisco ATA. The button blinks quickly when the Cisco ATA is upgrading its configuration.

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Chapter 1 Cisco Analog Telephone Adaptor Overview

Note If the function button blinks slowly, the Cisco ATA cannot find the DHCP server. Check your

Ethernet connections and make sure the DHCP server is available.

Pressing the function button allows you to access to the voice configuration menu. For additional information about the voice configuration menu, see the “Voice Configuration Menu” section on

page 3-15.

Caution Never press the function button during an upgrade process. Doing so may interfere with the process and

may permanently disable the Cisco ATA.

Software Features

The Cisco ATA supports the following protocols, services and methods:

• Voice Codecs Supported, page 1-7

Software Features

• Additional Supported Signaling Protocols, page 1-8

• Other Supported Protocols, page 1-8

• Cisco ATA SIP Services, page 1-8

• Fax Services, page 1-9

• Methods Supported, page 1-9

• Supplementary Services, page 1-10

Voice Codecs Supported

The Cisco ATA supports the following voice codecs (check your other network devices for the codecs they support):

• G.711µ-law

• G.711A-law

• G.723.1

• G.729

• G.729A

• G.729B

• G.729AB

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Software Features

Additional Supported Signaling Protocols

In addition to SIP, the Cisco ATA supports the following signaling protocols:

• H.323

• Skinny Client Control Protocol (SCCP)

• Media Gateway Control Protocol (MGCP)

SIP and H.323 share the same software image. SCCP and MGCP also share a software image, which is separate from the SIP/H.323 image. If you wish to perform a cross-protocol upgrade from SIP to another signaling image, see the “Upgrading the Signaling Image from a TFTP Server” section on page 8-1.

Other Supported Protocols

Other protocols that the Cisco ATA supports include the following:

• 802.1Q VLAN tagging

• Cisco Discovery Protocol (CDP)

Chapter 1 Cisco Analog Telephone Adaptor Overview

• Domain Name System (DNS)

• Dynamic Host Configuration Protocol (DHCP)

• Internet Control Message Protocol (ICMP)

• Internet Protocol (IP)

• Real-Time Transport Protocol (RTP)

• Transmission Control Protocol (TCP)

• Trivial File Transfer Protocol (TFTP)

• User Datagram Protocol (UDP)

Cisco ATA SIP Services

For a list of required SIP parameters as well as descriptions of all supported Cisco ATA SIP services and cross references to the parameters for configuring these services, see Chapter 4, “Basic and Additional

SIP Services.”

These services include the following features:

• IP address assignment—DHCP-provided or statically configured

• Cisco ATA configuration by means of a TFTP server, web browser, or voice configuration menu.

• VLAN configuration

1-8

• Cisco Discovery Protocol (CDP)

• Low-bit-rate codec selection

• User authentication

• Configurable tones (dial tone, busy tone, alert tone, reorder tone, call waiting tone)

• Dial plans

• Network Address Translation (NAT) Gateway

• NAT/Port Address Translation (PAT) translation

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Chapter 1 Cisco Analog Telephone Adaptor Overview

• SIP proxy server redundancy

• Outbound-proxy support

• DNS SRV support

• User-configurable, call-waiting, permanent default setting

• Comfort noise during silence period when using G.711

• Advanced audio

• Billable features

• Caller ID format

• Ring cadence format

• Silence suppression

• Hook-flash detection timing configuration

• Configurable on-hook delay

• UDP Type of Service (ToS) configuration

• Debugging and diagnostic tools

Software Features

Fax Services

The Cisco ATA supports two modes of fax services, in which fax signals are transmitted using the G.711 codec:

• Fax pass-through mode—Receiver-side Called Station Identification (CED) tone detection with

automatic G.711A-law or G.711µ-law switching.

• Fax mode—The Cisco ATA is configured as a G.711-only device.

How you set Cisco ATA fax parameters depends on what network gateways are being used. You may need to modify the default fax parameter values (see Chapter 7, “Configuring and Debugging Fax

Services”).

Note Success of fax transmission depends on network conditions and fax modem response to these conditions.

The network must have reasonably low network jitter, network delay, and packet loss rate.

Methods Supported

The Cisco ATA supports the methods listed below. For more information, refer to RFC3261 (SIP: Session Initiation Protocol).

• REGISTER

• INVITE

• BYE

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• CANCEL

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Installation and Configuration Overview

• NOTIFY

• OPTIONS

• ACK

Supplementary Services

SIP supplementary services are services that you can use to enhance your telephone service. For information on how to enable and subscribe to these services, see the “CallFeatures” section on

page 5-23 and the “PaidFeatures” section on page 5-24.

For information on how to use these services, see Appendix A, “Using SIP Supplementary Services.”

The following list contains the SIP supplementary services that the Cisco ATA supports:

• Caller ID

• Call-waiting caller ID

• Voice mail indication

• Making a conference call

Chapter 1 Cisco Analog Telephone Adaptor Overview

• Call waiting

• Call forwarding

• Call return

• Calling-line identification

• Unattended transfer

• Attended transfer

Installation and Configuration Overview

Table 1-1 provides the basic steps required to install and configure the Cisco ATA to make it operational

in a typical SIP environment where a large number of Cisco ATAs must be deployed.

Table 1-1 Overview of the Steps Required to Install and Configure the Cisco ATA and Make it Operational

Action Reference

1. Plan the network and Cisco ATA configuration.

2. Install the Ethernet connection.

3. Install and configure the other network devices.

4. Install the Cisco ATA but do not power up the Cisco ATA yet. What the Cisco ATA Package Includes, page 2-2

5. Download the desired Cisco ATA release software zip file from

the Cisco web site, then configure the Cisco ATA.

6. Power up the Cisco ATA.

7. Periodically, you can upgrade the Cisco ATA to a new signaling

image by using the TFTP server-upgrade method or the manual-upgrade method.

Chapter 3, “Configuring the Cisco ATA for SIP”

Chapter 8, “Upgrading the Cisco ATA Signaling Image”

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CHAPTER

Installing the Cisco ATA

This section provides instructions for installing the Cisco ATA 186 and Cisco ATA 188. Before you perform the installation, be sure you have met the following prerequisites:

• Planned the network and Cisco ATA configuration.

• Installed the Ethernet connection.

• Installed and configured the other network devices.

This section contains the following topics:

• Network Requirements, page 2-2

• Safety Recommendations, page 2-2

• What the Cisco ATA Package Includes, page 2-2

• What You Need, page 2-3

• Installation Procedure, page 2-3

• Power-Down Procedure, page 2-6

Note The term Cisco ATA is used throughout this manual to refer to both the Cisco ATA 186 and the

Cisco ATA 188, unless differences between the Cisco ATA 186 and Cisco ATA 188 are explicitly stated.

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Network Requirements

The Cisco ATA acts as an endpoint on an IP telephony network. The following equipment is required:

• Call Control system

• Voice packet gateway—Required if you are connecting to the Public Switched Telephone Network

(PSTN). A gateway is not required if an analog key system is in effect.

• Ethernet connection

Safety Recommendations

To ensure general safety, follow these guidelines:

• Do not get this product wet or pour liquids into this device.

• Do not open or disassemble this product.

• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.

• Use only the power cube that comes with the Cisco ATA.

Chapter 2 Installing the Cisco ATA

Warning

Ultimate disposal of this product should be handled according to all national laws and regulations.

Read the installation instructions before you connect the system to its power source.

The plug-socket combination must be accessible at all times because it serves as the main disconnecting device.

Do not work on the system or connect or disconnect cables during periods of lightning activity.

For translated warnings, see the Regulatory Compliance and Safety Information for the Cisco ATA 186 and Cisco ATA 188 manual.

What the Cisco ATA Package Includes

The Cisco ATA package contains the following items:

• Cisco ATA 186 or Cisco ATA 188 Analog Telephone Adaptor

• Read Me First - ATA Boot Load Information

2-2

• Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor at a Glance

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+ 188 hidden pages

Cisco Systems 188, 186 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

Preface

Overview

Audience

Organization

Conventions

Related Documentation

Obtaining Documentation

World Wide Web

Documentation CD-ROM

Ordering Documentation

Documentation Feedback

Obtaining Technical Assistance

Cisco.com

Technical Assistance Center

Cisco TAC Web Site

Cisco TAC Escalation Center

Cisco Analog Telephone Adaptor Overview

Session Initiation Protocol (SIP) Overview

SIP Capabilities

Components of SIP

SIP Clients

SIP Servers

Hardware Overview

Software Features

Voice Codecs Supported

Additional Supported Signaling Protocols

Other Supported Protocols

Fax Services

Methods Supported

Installation and Configuration Overview

Supplementary Services

Network Requirements

Safety Recommendations