Cisco ATA 186 And Cisco ATA 188 Analog Telephone

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Cisco ATA 186 and Cisco ATA 188Analog Telephone AdaptorAdministrator’s Guide for SIP (version 3.0)Corporate HeadquartersCisco Systems, Inc.170 West Tasman DriveSan Jose, CA 95134-1706USAhttp://www.cisco.comTel: 408 526-4000800 553-NETS (6387)Fax: 408 526-4100Text Part Number: OL-4654-01

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALLSTATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUTWARRANTY 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 THATSHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSEOR 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, pursuantto part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercialenvironment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may causeharmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be requiredto 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 notinstalled in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found tocomply 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 reasonableprotection 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 digitaldevices. 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 televisioncommunications 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 itsperipheral 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 circuitscontrolled 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” WITHALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUTLIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OFDEALING, 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 CISCOOR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are trademarks of Cisco Systems, Inc.;Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE,CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systemslogo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQNet Readiness Scorecard, LightStream, MGX, MICA, the Networkers logo, Networking Academy, Network Registrar, Packet, PIX, Post-Routing, Pre-Routing, RateMUX,Registrar, ScriptShare, SlideCast, SMARTnet, StrataView Plus, Stratm, SwitchProbe, TeleRouter, The Fastest Way to Increase Your Internet Quotient, TransPath, and VCOare registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.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 relationshipbetween Cisco and any other company. (0304R)Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)Copyright 2003, Cisco Systems, Inc.All rights reserved.

4Conventions14Related Documentation18Obtaining Documentation 18World Wide Web 18Documentation CD-ROM 19Ordering Documentation 19Documentation Feedback 19Obtaining Technical Assistance 19Cisco.com 20Technical Assistance Center 20Cisco TAC Web Site 20Cisco TAC Escalation Center 21Cisco Analog Telephone Adaptor OverviewSession Initiation Protocol (SIP) OverviewSIP Capabilities 3Components of SIP 3SIP Clients 4SIP Servers 4Hardware Overview125Software Features 7Voice Codecs Supported 7Additional Supported Signaling ProtocolsOther Supported Protocols 8Cisco ATA SIP Services 8Fax Services 9Methods Supported 9Supplementary Services 10Installation and Configuration Overview810Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-013

ContentsInstalling the Cisco ATA1Network Requirements2Safety Recommendations2What the Cisco ATA Package IncludesWhat You Need23Installation ProcedurePower-Down Procedure36Configuring the Cisco ATA for SIPDefault Boot Load Behavior12Specifying a Preconfigured VLAN ID or Disabling VLAN IP EncapsulationSteps Needed to Configure the Cisco ATA 5Basic Configuration Steps in a TFTP Server Environment 5Basic Configuration Steps in a Non-TFTP Server Environment37Configuring the Cisco ATA Using a TFTP Server 8Setting Up the TFTP Server with Cisco ATA Software 8Configurable Features and Related Parameters 8Creating Unique and Common Cisco ATA Configuration Files 9Using atapname.exe Tool to Obtain MAC Address 11Using Encryption With the cfgfmt Tool 12Examples of Upgrading to Stronger Encryption Key 15atadefault.cfg Configuration File 17Configuring the Cisco ATA to Obtain its Configuration File from the TFTP ServerUsing a DHCP Server 18Without Using a DHCP Server 20Voice Configuration Menu 20Using the Voice Configuration Menu 21Entering Alphanumeric Values 22Resetting the Cisco ATA to Factory Default ValuesCisco ATA Web Configuration Page182323Refreshing or Resetting the Cisco ATA 26Procedure to Refresh the Cisco ATA 27Procedure to Reset the Cisco ATA 27Obtaining Cisco ATA Configuration File After Failed AttemptUpgrading the SIP Signaling Image2727Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)4OL-4654-01

ContentsBasic and Additional SIP Services1Important Basic SIP Services 1Required Parameters 1Establishing Authentication 2Setting the Codec 3Configuring Refresh Interval 3Additional SIP Services 3Advanced Audio Configuration 4Billable Features 4Call Forwarding Setting Removal Using HTTP 5Call-Waiting Hang-Up Alert 5Enabling the Call-Waiting Hang-Up Alert Feature 6Default Behavior of Call-Waiting Calls 6Comfort Noise During Silence Period When Using G.711 6Configurable Hook Flash Timing 7Configurable Mixing of Call Waiting Tone and Audio 7Configurable On-hook delay 7Configurable Reboot of Cisco ATA 7Diagnostics for Debugging 7Dial Plan 7Disabling Access To The Web Interface 8Display-Name Support for Caller ID 8Distinctive Ringing 8DNS SRV Support 9Hardware Information Display 9NAT Gateway 9NAT/PAT Translation 10Network Timing 10Obtaining Network Status Before and After Getting IP ConnectivityPrivacy Options 10Network Infrastructure Requirements 11Anonymity for Called Party 11Anonymous User Name Support for SIP INVITE Requests 11Privacy Token Support for SIP Diversion Header 12Progress Tones 13Real-Time Transport Protocol (RTP) Statistics Reporting 13Receiver-tagged VIA header 13Redundant Proxy Support for BYE/CANCEL Request 1310Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-015

ContentsRepeat Dialing on Busy Signal 14Retransmitting SIP requests and SIP Responses 15Setting Up and Placing a Call Without Using a SIP Proxy 15Configuration 15Placing an IP Call 16SipOutBoundProxy Support 16SIP Proxy Server Redundancy 16SIP Session-Timer Support 17Status of Phone Service Using HTTP 17STUN Support 18Types of NATs 18NAT Traversal 18STUN Configuration Parameters 19Stuttering Dial Tone on Unconditional Call Forward 19Toll Restrictions for Call Forwarding and Outgoing Calls 19User Configurable Call Waiting Permanent Default Setting 20User Configurable Timeout On No Answer for Call Forwarding 20Voice Prompt Confirmation for Call Waiting and Call Forwarding 20Base Number 21Relevant Bit of OpFlags Parameter 21XML Pages of Cisco ATA Information 22Current configuration 22Current statistics 22Current service values 22Complete Reference Table of all Cisco ATA SIP ServicesParameters and Defaults231Configuration Text File Template2User Interface (UI) Security ParameterUIPassword 44Parameters for Configuration Method and EncryptionUseTFTP 5TftpURL 5CfgInterval 6EncryptKey 6EncryptKeyEx 7Network Configuration ParametersDHCP 8StaticIp 948Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)6OL-4654-01

ContentsStaticRoute 9StaticNetMask 10DNS1IP 10DNS2IP 11NTPIP 11AltNTPIP 12VLANSetting 12SIP Configuration ParametersGkOrProxy 13AltGk 14AltGkTimeOut 15UID0 15PWD0 16UID1 16PWD1 17LoginID0 17LoginID1 18UseLoginID 18SIPPort 19SIPRegInterval 19SIPRegOn 20MAXRedirect 20SipOutBoundProxy 21NATIP 21NatServer 22NatTimer 22MsgRetryLimits 24SessionTimer 26SessionInterval 28MinSessionInterval 28DisplayName0 29DisplayName1 29Audio Configuration ParametersMediaPort 30RxCodec 31TxCodec 31LBRCodec 32AudioMode 32NumTxFrames 34TOS 341330Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-017

ContentsOperational Parameters 35CallFeatures 35PaidFeatures 36CallCmd 37FeatureTimer 38FeatureTimer2 39SigTimer 40ConnectMode 41OpFlags 45TimeZone 48Telephone Configuration ParametersCallerIdMethod 49Polarity 51FXSInputLevel 52FXSOutputLevel 5249Tone Configuration Parameters 53Tone Parameter Syntax—Basic Format 53Tone Parameter Syntax—Extended FormatsExtended Format A 55Extended Format B 56Recommended Values 59Specific Tone Parameter Information 60DialTone 60BusyTone 61ReorderTone 61RingbackTone 62CallWaitTone 62AlertTone 63SITone 63RingOnOffTime 6454Dial Plan Parameters 64DialPlan 64Dial Plan Commands 65Dial Plan Rules 66Dial Plan Examples 70DialPlanEx 72IPDialPlan 72Diagnostic Parameters73Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)8OL-4654-01

ContentsNPrintf 73TraceFlags 73SyslogIP 74SyslogCtrl 75CFGID—Version Parameter for Cisco ATA Configuration FileCall Commands761Call Command Structure1Syntax 2Context-Identifiers 3Input Sequence IdentifiersAction Identifiers 4Call Command Example5Call Command Behavior74Configuring and Debugging Fax Services1Using Fax Pass-through Mode 1Configuring the Cisco ATA for Fax Pass-through mode 2AudioMode 2ConnectMode 3Configuring Cisco IOS Gateways to Enable Fax Pass-throughEnable Fax Pass-through Mode 4Disable Fax Relay Feature 53Using FAX Mode 6Configuring the Cisco ATA for Fax Mode 6Configuring the Cisco ATA for Fax Mode on a Per-Call BasisConfiguring the Cisco IOS Gateway for Fax Mode 7Debugging the Cisco ATA 186/188 Fax Services 7Common Problems When Using IOS Gateways 7Using prserv for Diagnosing Fax Problems 9prserv Overview 9Analyzing prserv Output for Fax Sessions 10Using rtpcatch for Diagnosing Fax Problems 12rtpcatch Overview 12Example of rtpcatch 14Analyzing rtpcatch Output for Fax Sessions 16Using rtpcatch to Analyze Common Causes of Failure718Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-019

Contentsrtpcatch Limitations20Upgrading the Cisco ATA Signaling Image1Upgrading the Signaling Image from a TFTP ServerUpgrading the Signaling Image ManuallyPreliminary Steps 3Running the Executable File 3Upgrade Requirements 3Syntax 3Upgrade Procedure 42Confirming a Successful Signaling Image UpgradeUsing a Web Browser 5Using the Voice Configuration Menu 5Troubleshooting51General Troubleshooting TipsSymptoms and Actions12Installation and Upgrade IssuesDebugging134Using System Diagnostics6Local Tone Playout Reporting10Obtaining Network Status Prior to Getting IP ConnectivityObtaining Network Status After Getting IP ConnectivityDHCP Status HTML Page1213Real-Time Transport Protocol (RTP) Statistics ReportingFrequently Asked QuestionsContacting TAC11131415Using SIP Supplementary ServicesChanging Call Commands11Cancelling a Supplementary ServiceCommon Supplementary ServicesCaller ID 2Call-Waiting Caller ID 2Voice Mail Indication 2Unattended Transfer 311Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)10OL-4654-01

ContentsSemi-unattended Transfer 3Fully Unattended Transfer 3Attended Transfer 4Making a Conference Call in the United States 4Making a Conference Call in Sweden 4Call Waiting in the United States 5Call Waiting in Sweden 5About Call Forwarding 5Call Forwarding in the United States 5Call Forwarding in Sweden 6Call Return in the United States 6Call Return in Sweden 6Calling Line Identification Presentation 6About Calling Line Identification Restriction 6Calling Line Identification Restriction in the United StatesCalling Line Identification Restriction in Sweden 7Voice Menu Codes1Cisco ATA SpecificationsPhysical SpecificationsElectrical Specifications112Environmental SpecificationsPhysical Interfaces22Ringing CharacteristicsSoftware Specifications33SIP Compliance Reference InformationSIP Call Flows751Supported SIP Request Methods1Call Flow Scenarios for Successful Calls 2Cisco ATA-to-SIP Server—Registration without Authentication 2Cisco ATA-to-SIP Server—Registration with Authentication 3Cisco ATA-to-Cisco ATA—Basic SIP to SIP Call without Authentication 6Cisco ATA-to-Cisco ATA—Basic SIP to SIP Call with Authentication 12Recommended Cisco ATA Tone Parameter Values by Country1GLOSSARYINDEXCisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-0111

ContentsCisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)12OL-4654-01

PrefaceThis preface includes the following sections: Overview, page 13 Audience, page 13 Organization, page 14 Conventions, page 14 Related Documentation, page 18 Obtaining Documentation, page 18 Obtaining Technical Assistance, page 19OverviewThe 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 andCisco ATA 188 on a Session Initiation Protocol (SIP) network.NoteThe term Cisco ATA is used throughout this manual to refer to both the Cisco ATA 186 and theCisco ATA 188, unless differences between the Cisco ATA 186 and Cisco ATA 188 are explicitlystated.AudienceThis 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 endusers of the Cisco ATA. Many of these tasks impact the ability of the Cisco ATA to function on thenetwork, and require an understanding of IP networking and telephony concepts.Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-0113

PrefaceOrganizationOrganizationTable 1 provides an overview of the organization of this guide.Table 1Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP) OrganizationChapterDescriptionChapter 1, “Cisco Analog Telephone Adaptor Overview”Provides descriptions of hardware and software features ofthe Cisco ATA Analog Telephone Adaptor along with a briefoverview 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 andthe various methods for configuration.Chapter 4, “Basic and Additional SIP Services”Provides information about SIP services that the Cisco ATAsupports.Chapter 5, “Parameters and Defaults,”Provides information on all parameters and defaults that youcan 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 theCisco ATA to support fax transmission.Chapter 8, “Upgrading the Cisco ATA Signaling Image”Provides instructions for remotely upgrading Cisco ATAsoftware.Chapter 9, “Troubleshooting”Provides basic testing and troubleshooting procedures for theCisco ATA.Appendix A, “Using SIP Supplementary Services”Provides end-user information about pre-call and mid-callservices.Appendix B, “Voice Menu Codes”Provides a quick-reference list of the voice configurationmenu 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.Appendix E, “Recommended Cisco ATA Tone ParameterValues by Country”Provides tone parameters for various countries.GlossaryProvides definitions of commonly used terms.IndexProvides reference information.ConventionsThis document uses the following conventions: 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.Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)14OL-4654-01

PrefaceConventionsNoteTimesaverTipCautionWarning Optional alternative keywords are grouped in brackets and separated by vertical bars (for example,[x y z]). Terminal sessions and information the system displays are in screen font.Means reader take note. Notes contain helpful suggestions or references to material not covered in thepublication.Means the described action saves time. You can save time by performing the action described in theparagraph.Means the following information will help you solve a problem. The tips information might not betroubleshooting or even an action, but could be useful information, similar to a Timesaver.Means reader be careful. In this situation, you might do something that could result in equipmentdamage or loss of data.IMPORTANT SAFETY INSTRUCTIONSThis warning symbol means danger. You are in a situation that could cause bodily injury. Before youwork on any equipment, be aware of the hazards involved with electrical circuitry and be familiarwith standard practices for preventing accidents. Use the statement number provided at the end ofeach warning to locate its translation in the translated safety warnings that accompanied thisdevice. Statement 1071SAVE THESE INSTRUCTIONSWaarschuwingBELANGRIJKE VEILIGHEIDSINSTRUCTIESDit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kanveroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bijelektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaardpraktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan dewaarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wiltraadplegen.BEWAAR DEZE INSTRUCTIESCisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-0115

PrefaceConventionsVaroitusTÄRKEITÄ TURVALLISUUSOHJEITATämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuinkäsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustuonnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteenmukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvienlausuntonumeroiden avulla.SÄILYTÄ NÄMÄ OHJEETAttentionIMPORTANTES INFORMATIONS DE SÉCURITÉCe symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvantentraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyezconscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédurescouramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions desavertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.CONSERVEZ CES INFORMATIONSWarnungWICHTIGE SICHERHEITSHINWEISEDieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führenkann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen undden üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jederWarnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetztenSicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.BEWAHREN SIE DIESE HINWEISE GUT AUF.AvvertenzaIMPORTANTI ISTRUZIONI SULLA SICUREZZAQuesto simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni allepersone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericolirelativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti.Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare letraduzioni delle avvertenze riportate in questo documento.CONSERVARE QUESTE ISTRUZIONIAdvarselVIKTIGE SIKKERHETSINSTRUKSJONERDette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før dubegynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet medelektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i sluttenav hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denneenheten.TA VARE PÅ DISSE INSTRUKSJONENECisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)16OL-4654-01

PrefaceConventionsAvisoINSTRUÇÕES IMPORTANTES DE SEGURANÇAEste símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora delesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dosperigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais deprevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso paralocalizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.GUARDE ESTAS INSTRUÇÕES¡Advertencia!INSTRUCCIONES IMPORTANTES DE SEGURIDADEste símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipularcualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con losprocedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará elnúmero que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompañaa este dispositivo.GUARDE ESTAS INSTRUCCIONESVarning!VIKTIGA SÄKERHETSANVISNINGARDenna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar ochkänna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet avvarje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer dennaanordning.SPARA DESSA ANVISNINGARCisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-0117

PrefaceRelated DocumentationRelated Documentation RFC3261 (SIP: Session Initiation Protocol) RFC2543 (SIP: Session Initiation Protocol) Cisco ATA SIP Compliance Reference uments/CiscoATASIPComplianceRef.pdf RFC768 (User Datagram Protocol) RFC2198 (RTP Payload for Redundant Audio Data) RFC2833 (RTP Payload for DTMF Digits, Telephony Phones and Telephony Signals) RFC2327 (SDP: Session Description Protocol) RFC3266 (Support for IPv6 in Session Description Protocol (SDP)) Read Me First - ATA Boot Load Information Cisco ATA 186 and Cisco 188 Analog Telephone Adaptor At a Glance Regulatory Compliance and Safety Information for the Cisco ATA 186 and Cisco 188 Cisco ATA Release NotesObtaining DocumentationThese sections explain how to obtain documentation from Cisco Systems.World Wide WebYou can access the most current Cisco documentation on the World Wide Web at this URL:http://www.cisco.comCisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)18OL-4654-01

PrefaceObtaining Technical AssistanceTranslated documentation is available at this URL:http://www.cisco.com/public/countries languages.shtmlDocumentation CD-ROMCisco documentation and additional literature are available in a Cisco Documentation CD-ROMpackage, which is shipped with your product. The Documentation CD-ROM is updated monthly and maybe more current than printed documentation. The CD-ROM package is available as a single unit orthrough an annual subscription.Ordering DocumentationYou can order Cisco documentation in these ways: Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation fromthe Networking Products er root.pl Registered Cisco.com users can order the Documentation CD-ROM through the online tion Nonregistered Cisco.com users can order documentation through a local account representative bycalling Cisco Systems Corporate Headquarters (California, U.S.A.) at 408 526-7208 or, elsewherein North America, by calling 800 553-NETS (6387).Documentation FeedbackYou can submit comments electronically on Cisco.com. In the Cisco Documentation home page, clickthe 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.You can submit your comments by mail by using the response card behind the front cover of yourdocument or by writing to the following address:Cisco SystemsAttn: Document Resource Connection170 West Tasman DriveSan Jose, CA 95134-9883We appreciate your comments.Obtaining Technical AssistanceCisco provides Cisco.com as a starting point for all technical assistance. Customers and partners canobtain online documentation, troubleshooting tips, and sample configurations from online tools by usingthe Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have completeaccess to the technical support resources on the Cisco TAC Web Site.Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0)OL-4654-0119

PrefaceObtaining Technical AssistanceCisco.comCisco.com is the foundation of a suite of interactive, networked services that provides immediate, openaccess to Cisco information, networking solutions, services, programs, and resources at any time, fromanywhere in the world.Cisco.com is a highly integrated Internet application and a powerful, easy-to-use tool that provides abroad 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 programsIf you want to obtain customized information and service, you can self-register on Cisco.com. To accessCisco.com, go to this URL:http://www.cisco.comTechnical Assistance CenterThe Cisco Technical Assistance Center (TAC) is available to all customers who need technicalassistance with a Cisco product, technology, or solution. Two levels of support are available: the CiscoTAC Web Site and the Cisco TAC Escalation Cente

3 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for SIP (version 3.0) OL-4654-01 CONTENTS Preface 13 Overview 13 Audience 13 Organization 14 Conventions 14 Related Documentation 18 Obtaining Documentation 18 World Wide Web 18 Documentation CD-ROM 19 Ordering Documentation 19 Documentation Feedback 19

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