Cisco Systems ATA 188 manual Feet 762 m, Feet 975 m

Page 162

Chapter 9 Troubleshooting

Frequently Asked Questions

Table 9-1 Ring Loads and Distances (continued)

Ring Load (per RJ-11 FXS Port)

Maximum Distance

 

 

2 REN

2500 feet (762 m)

 

 

1 REN

3200 feet (975 m)

 

 

The Cisco ATA, however, is not designed for long distance. The simple test is to determine if the phone or phones that are connected to the Cisco ATA work properly in their environment.

Pay attention to the following questions:

1.Can the Cisco ATA detect on/off hook from the analog phone?

2.Can the Cisco ATA detect the DTMF signal?

3.Can you dial the remote side?

4.Can the Cisco ATA ring the phone?

5.Is voice quality satisfactory?

If you answer no to any of the above questions, you may have a loop impedance greater than 400 ohm. In this case, perform the following procedure.

Procedure

Step 1 Increase the wire gauge to reduce the impedance until the Cisco ATA can detect on/off hook and DTMF signal.

Step 2 If the Cisco ATA cannot ring the phone, find a phone that can ring at a lower ringing voltage. Also, try to use only one phone instead of multiple phones in parallel.

Q. Does the Cisco ATA support an overhead paging system, and, if so, does the Cisco ATA support power denial?

A. The Cisco ATA supports an overhead paging system only if that system does not require power denial (battery removal) when a call is disconnected. However, the Cisco ATA can be configured to reverse the voltage polarity when a call is connected or disconnected. For more information, see the “Polarity” section on page 5-27.

Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)

9-6

OL-4008-01

 

 

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Contents Corporate Headquarters Customer Order Number OL-4008-01Copyright 2003, Cisco Systems, Inc All rights reserved N T E N T S IiiSafety Recommendations ToConfig Dhcp DNS1IP DNS2IP ViiUsing FAX Mode ViiiContacting TAC OL-4008-01 Overview AudienceThis preface includes the following sections Chapter Description OrganizationConventions XiiXiii Related Documentation XivDocumentation CD-ROM Obtaining DocumentationWorld Wide Web Ordering DocumentationTechnical Assistance Center Obtaining Technical AssistanceCisco.com We appreciate your commentsCisco TAC Web Site Cisco TAC Escalation CenterXvii Xviii Cisco Analog Telephone Adaptor Overview Cisco ATA 186 as Endpoint in an H.323 Network Terminals GatewaysGatekeepers MCUsProxy Server Hardware Overview Cisco ATA 186-Rear ViewFunction Button Voice Codecs Supported Software FeaturesAdditional Supported Signaling Protocols Other Supported ProtocolsCisco ATA H.323 Services Supplementary Services Installation and Configuration OverviewFax Services Action ReferenceManual-upgrade method Upgrading the Cisco ATA SignalingImage by using the Tftp server-upgrade method or ImageInstalling the Cisco ATA Safety RecommendationsInstallation Procedure What the Cisco ATA Package IncludesWhat You Need Procedure Cisco ATA 186 Rear Panel ConnectionsInstalling the Cisco ATA Installation Procedure Power-Down Procedure OL-4008-01 Configuring the Cisco ATA for H.323 Default Boot Load Behavior OpFlags VLANSetting,Parameter and Bits Reference OpFlags,Bits VLANSettingFeature ExampleAtadefault.cfg Configuration File, Steps Needed to Configure the Cisco ATABasic Configuration Steps in a Tftp Server Environment Upgrading the Signaling Image from a Tftp ServerConfiguration File from the Tftp Server, Basic Configuration Steps in a Non-TFTP Server EnvironmentConfiguring the Cisco ATA to Obtain its Refreshing or Resetting the Cisco ATA,Configuring the Cisco ATA Using a Tftp Server Setting Up the Tftp Server with Cisco ATA SoftwareConfigurable Features and Related Parameters Creating Unique and Common Cisco ATA Configuration Files Save this file of Cisco ATA-specific parameters as SyntaxUsing atapname.exe Tool to Obtain MAC Address Command ExampleCommand Output Using the EncryptKey Parameter and cfgfmt Tool Syntax examplesAtadefault.cfg Configuration File Using a Dhcp Server,Without Using a Dhcp Server, Using a Dhcp Server Without Using a Dhcp Server Other Dhcp Options You Can SetVoice Configuration Menu DNS1IP DNS2IP NtpipUsing the Voice Configuration Menu Voice Menu Number FeaturesEntering Alphanumeric Values Key Alphanumeric CharactersCisco ATA Web Configuration Resetting the Cisco ATA to Factory Default ValuesWhere ipaddress is the IP address of the Cisco ATA UID0 Related Parameter Web Interface Access-Control ConfigurationRefreshing or Resetting the Cisco ATA OpFlags, page 5-33-BitHttp Procedure to Reset the Cisco ATA Upgrading the H.323 Signaling ImageHttp Procedure to Refresh the Cisco ATA Http Refresh and Reset Access-Control ConfigurationOL-4008-01 Important Basic H.323 Services Required ParametersSetting the Signaling Image to H.323 Mode Related Configuration Parameters Setting Up User IDs for the Cisco ATAUsing the Cisco ATA with an H.323 Gatekeeper UID0, UID1,LoginID0, LoginID1, UID0, UID1, Setting Up Gatekeeper Time-To-Live ValueSetting Up an Alternate H.323 Gatekeeper AltGk, AltGkTimeOut, ConnectMode,Establishing Authentication with Cisco H.323 Gatekeeper Using the Cisco ATA Without an H.323 Gatekeeper Using Multiple Cisco ATAs Without an H.323 GatekeeperGateway, GkOrProxy, IPDialPlan, Additional H.323 ServicesSetting the Audio Codecs LBRCodec, AudioMode,Configuring Audio Packet Settings Configuring Billable FeaturesConfiguring Hook Flash Timing Configuring the Call Waiting Permanent Default SettingConfiguring the Cisco ATA Refresh Interval Configuring the Mixing of Call Waiting Tone and AudioConfiguring Supplementary Service Behavior and Parameters Configuring On-hook delayConfiguring Reverse Audio Cut-Through Behavior Debugging DiagnosticsProgress Tones Polarity SettingsNetwork Timing Selecting Dtmf and Hookflash Transmission MethodsConnectMode, page 5-28-Bits 0 Setting Dial PlansSelecting H.323 Connection and H.245 Transmission Methods DialPlan,Configurable Features Related Parameters OL-4008-01 Parameters and Defaults Configuration Text File Template User Interface UI Parameter UIPasswordThis section contains only one parameter-UIPassword Sections that follow describe these parametersConfiguration-Complete Parameter Parameters for Configuration Method and EncryptionToConfig UseTFTP SettingsRange Default Voice Configuration Menu Access Code TftpURLUseTFTP, CfgInterval, CfgIntervalEncryptKey UseTFTP, TftpURL,Network Parameters 320DHCP, StaticIp, StaticRoute, StaticNetMask, StaticRoute Voice Configuration Menu Access Code Related ParametersStaticIp DHCP, StaticRoute, StaticNetMask,DHCP, StaticIp, StaticNetMask, Account Information ParametersStaticNetMask 255.255.255.0UID1, PWD0, PWD1, UseLoginID, LoginID0, LoginID1, This parameter is the password for the Phone 1 portUID0, UID1, PWD1, UseLoginID, LoginID0, LoginID1, AutMethod, UID0, PWD0, PWD1, UseLoginID, LoginID0, LoginID1,This parameter is the password for the Phone 2 port GatewayUseLoginID LoginID0LoginID1, PWD0, PWD1, UseLoginID, AutMethod, AutMethod LoginID1LoginID0, PWD0, PWD1, UseLoginID, AutMethod, BitmapAltGk, AltGkTimeOut, GkTimeToLive, GkId, LoginID0, LoginID1, PWD0, PWD1, NTPIP, AltNTPIP,GkOrProxy, AltGk, AltGkTimeOut, GkTimeToLive, GkId, Gatekeeper ParametersInteger AltGkTimeOutAltGk 30 to 4294967295 secondsGkId Default RangeGkTimeToLive Not specifiedOperating Parameters Mode ParameterUse H.323 mode -Use SIP mode UseSIPMediaPort DNS2IP, UDPTOS, SigTimer, OpFlags, VLANSetting,UDPTOS, VLANSetting, LBRCodecAudioMode, page 5-20-Bits 1 TxCodec, RxCodec, NumTxFrames, AudioModeRxCodec, TxCodec, LBRCodec, ConnectMode, RxCodec,RxCodec Bit Number DefinitionTxCodec LBRCodec, NumTxFrames, TxCodec, AudioMode,LBRCodec, NumTxFrames, RxCodec, AudioMode, NumTxFrames ExamplesLBRCodec, RxCodec, TxCodec, CallFeatures Bit NumberPaidFeatures CallFeatures, CallCmd, CallerIdMethod, SigTimer,315 CallerIdMethod Polarity 0x00019e60316 ConnectMode TimeZone Use G.711µ-law for fax pass-through codecUse G.711A-law for fax pass-through codec 141 AltNTPIPNTPIP, AltNTPIP, AltNTPIP, TimeZone,NTPIP, TimeZone, 916917 SigTimer TftpURL, DHCP, VLANSetting, OpFlagsVLANSetting 0x0000002b Optional Feature ParametersNPrintf 324Default Recommended Values RingOnOffTimeIPDialPlan DialPlan Additional DialPlan InformationAbout Dial Plan Commands Following dial planDial Plan Blocking In Rule Following dial plansRule to Support Hotline/Warmline Rule to Support Dial PrefixTone Parameter Syntax Call-Progress Tone ParametersList of Call-Progress Tone Parameters Each tone is specified by nine integers, as followsHow to Calculate Scaling Factors Recommended ValuesUse the following formula to calculate the scaling factor a Default values for the nine-integer array Specific Call-Progress Tone Parameter Information920 Cisco ATA plays the busy tone when the callee is busy 921922 923 924CallCmd 925Maximum of 248 characters CallFeatures, PaidFeatures, CallerIdMethod, SigTimer, 930OL-4008-01 Call Commands Call Command StructureSyntax CallCmd string has the following structureContext-Identifiers Identifier Context State of Cisco ATAIdentifier Input Sequence Input Sequence IdentifiersAction Identifiers Identifier ActionCall Command Example Hook-flash Cancel-the-call-attempt Retrieve-the-waiting-call Sweden Call Command Default Call Command BehaviorCall Command Default Table NotationsCall Command Behavior WFE cancels the call-Stop CWT and revert to Connected state CWTCall Command Behavior Call Command Behavior OL-4008-01 Configuring and Debugging Fax Services Using Fax Pass-through ModeAudioMode Configuring the Cisco ATA for Fax Pass-through modeThis setting translates to the following bitmap AudioMode, ConnectMode,This setting translates to the bitmap Configuring Cisco IOS Gateways to Enable Fax Pass-throughRecommended Setting Enable Fax Pass-through Mode, Disable Fax Relay Feature,Enable Fax Pass-through Mode Run the following commandDisable Fax Relay Feature Perform the commandUsing FAX Mode Configuring the Cisco ATA for Fax ModeConfiguring the Cisco IOS Gateway for Fax Mode Debugging the Cisco ATA 186/188 Fax ServicesConfiguring the Cisco ATA for Fax Mode on a Per-Call Basis Common Problems When Using IOS GatewaysFor fax pass-through mode, AudioMode should be set to Problem ActionCisco ATA, and 0x0012XXXX for the Phone 2 port PortAnalyzing prserv Output for Fax Sessions Using prserv for Diagnosing Fax ProblemsPrserv Overview Prserv Overview, Analyzing prserv Output for Fax Sessions,Log event Description Terminating-Gateway ExampleOriginating-Gateway Example Possible Reasons for FailureUsing rtpcatch for Diagnosing Fax Problems Rtpcatch OverviewTo use rtpcatch, follow these steps Example of rtpcatch Output FilesExplanation CED tone Detected Analysis Fax relay mode Cisco fax relay modeAnalyzing rtpcatch Output for Fax Sessions Both sides use G.711 for the entire fax sessionExample 7-4 T38 Fax Relay Mode Possible Causes for Failure Using rtpcatch to Analyze Common Causes of FailureCisco fax relay option is not disabled on the gateway Possible Cause for FailureExample 7-9 Fax Pass-through Mode Failure Rtpcatch Limitations Upgrading the Signaling Image from a Tftp Server Syntax of upgradecode ParameterDefinitions Process Upgrading the Signaling Image ManuallyUpgradecode parameter value could be Preliminary Steps, Running the Executable File,Upgrade Requirements Preliminary StepsRunning the Executable File Procedure to Upgrade Signaling Image Upgrade Procedure and VerificationTo perform the upgrade, follow these steps SyntaxConfirming a Successful Signaling Image Upgrade Using a Web BrowserUsing a Web Browser, Using the Voice Configuration Menu, Using the Voice Configuration Menu Troubleshooting General Troubleshooting TipsSymptoms and Actions Installation and Upgrade Issues Debugging Frequently Asked Questions Ring Load per RJ-11 FXS Port Maximum DistanceFeet 762 m Feet 975 mContacting TAC OL-4008-01 Changing Call Commands Cancelling a Supplementary ServiceCommon Supplementary Services Caller ID Call-Waiting Caller IDMaking a Conference Call in the United States Call Waiting in Sweden Making a Conference Call in SwedenCall Waiting in the United States Calling Line Identification PresentationAbout Calling Line Identification Restriction Calling Line Identification Restriction in SwedenTable B-1lists codes to return basic Cisco ATA information Voice Menu Option Code DescriptionUID0 or LoginID0 Table B-2lists configuration codesPassword associated with the primary phone line Password associated with the secondary phone lineUser ID telephone number for the Phone 1 port User ID telephone number for the Phone 2 portOption Code Description Dimensions Weight Physical SpecificationsThis section describes Cisco ATA specifications SpecificationImmunity Specifications Electrical SpecificationsEnvironmental Specifications Description SpecificationRinging Characteristics Software SpecificationsPhysical Interfaces Appendix C Cisco ATA Specifications Software Specifications Sccp OL-4008-01 Signaling Supported H.323 MessagesSignaling Scenarios Endpoint-to-Gatekeeper RegistrationStep Action Description Table D-2 Log Listings Table D-2 Log Listings Endpoint-to-Endpoint Call Setup with a Common Gatekeeper Step Table D-4 Log Listings Table D-4 Log Listings Table D-4 Log Listings Table D-4 Log Listings Table D-4 Log Listings Table D-4 Log Listings Table D-4 Log Listings Call Setup from H.323 Network to Circuit Switched Network Action Description CSN/PSTNStep Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Table D-6 Log Listings Null Table D-6 Log Listings GL-1 GL-2 GL-3 GL-4 Signaling connection control part Messages can be part of Sgcp and Mgcp messagesGL-5 GL-6 Allow you to define your own customized markup language Business-class services for Internet telephonyTraffic GL-7GL-8 Numerics IN-1IN-2 Environmental specifications C-2 Ethernet ports Example configuration text fileIN-3 Http reset Hotline/warmline Http refreshIN-4 Plar IN-5RJ-45 LED IN-6Troubleshooting IN-7IN-8
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ATA 188 specifications

The Cisco Systems ATA 188 is a versatile Analog Telephone Adapter designed to facilitate the integration of traditional telephone systems with Voice over Internet Protocol (VoIP) networks. This device has been key in bridging the gap between legacy telephony and modern IP-based communication, allowing users to leverage their existing analog phones while enjoying the benefits of digital connectivity.

One of the main features of the ATA 188 is its ability to connect regular analog phones to a VoIP network, enabling users to make and receive calls over the internet. This significantly reduces calling costs, especially for long-distance and international calls. The ATA 188 supports two phone lines, allowing simultaneous voice calls. This dual-line capability makes it a suitable choice for small businesses or home offices that require multiple lines without the need for extensive infrastructure.

The device is equipped with various technologies that enhance its functionality. It supports the Session Initiation Protocol (SIP) and H.323, making it compatible with a wide range of VoIP service providers. Additionally, the ATA 188 features Quality of Service (QoS) settings, which prioritize voice traffic over the internet, ensuring clear voice quality without interruptions or delays. This is essential for maintaining a professional communication experience, especially in business environments.

Another characteristic of the ATA 188 is its user-friendly configuration interface. It allows users to easily set up and manage their devices through a web-based portal. The configuration process is straightforward, with options to adjust settings such as codec selection, call features including call waiting, and call forwarding functionalities.

Security is also a priority for the ATA 188, as it provides robust protocols to protect call data. The device supports Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS) to encrypt voice traffic and manage signaling securely. This ensures that sensitive conversations remain confidential.

Overall, the Cisco Systems ATA 188 is a reliable and efficient solution for users looking to transition from traditional telephony to VoIP. Its dual-line capacity, compatibility with multiple VoIP standards, user-friendly configuration, and built-in security features make it a valuable asset for both personal and professional communication solutions. In an ever-evolving telecommunications landscape, the ATA 188 remains a relevant and practical choice for integrating legacy telephony with modern internet-based services.
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