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1-3

Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)

OL-31821-01

Chapter 1      Cisco ATA 190 Analog Telephone Adapter Overview

Session Initiation Protocol Overview

  •

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 1-2

 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.

Figure 1-2

SIP Architecture

SIP Clients

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.

  •

Phones—Can act as either a UAS or UAC. The ATA 190 can initiate SIP requests and respond to 
requests.

SIP Servers

SIP servers include:

SIP user agents

RTP

SIP

SIP proxy and

redirect servers

SIP gateway

PSTN

Legacy PBX

SIP

SIP

72

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Содержание ATA 190

Страница 1: ... Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 Cisco ATA 190 Analog Telephone Adapter Administration Guide for SIP Version 1 0 Text Part Number OL 31821 01 Text Part Number OL 31821 01 ...

Страница 2: ...ce 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 Tu...

Страница 3: ... 6 Modem Standards 1 7 Fax Services 1 7 Methods Supported 1 7 Supplementary Services 1 8 Installation and Configuration Overview 1 8 Preparing to Install the ATA 190 on Your Network 2 1 Understanding Interactions with Other Cisco Unified IP Communications Products 2 1 Understanding How the ATA 190 Interacts with Cisco Unified Communications Manager 2 2 Providing Power to the ATA 190 2 2 Power Guid...

Страница 4: ...the ATA 190 4 1 Telephony Features Available for the ATA 190 4 1 Configuring Product Specific Configuration Parameters 4 4 Adding Users to Cisco Unified Communications Manager 4 6 Configuring Fax Services 5 1 Using Fax Mode 5 1 Fax Modem Standards 5 1 Fax Modem Speeds 5 2 Using SIP Supplementary Services 6 1 Common Supplementary Services 6 1 Attended Transfer 6 2 Call Pickup 6 2 Caller ID 6 2 Call...

Страница 5: ...on A 4 Voice Menu Codes B 1 Accessing the IVR and Configuring Your Phone Setting B 1 Recommended ATA 190 Tone Parameter Values by Country C 1 Troubleshooting and Maintenance D 1 Resolving Startup Problems D 1 Symptom The ATA 190 Does Not Go Through its Normal Startup Process D 1 Symptom The ATA 190 Does Not Register with Cisco Unified Communications Manager D 2 Checking Network Connectivity D 2 Ve...

Страница 6: ...utages D 5 Verifying DHCP Settings D 5 Checking Static IP Address Settings D 6 Verifying Voice VLAN Configuration D 6 Eliminating DNS or Other Connectivity Errors D 6 Troubleshooting ATA 190 Security D 7 General Troubleshooting Tips D 7 Where to Go for More Troubleshooting Information D 9 Cleaning the ATA 190 D 9 G L O S S A R Y I N D E X ...

Страница 7: ...on on the network and require an understanding of IP networking and telephony concepts Organization This manual is organized as follows Chapter 1 Cisco ATA 190 Analog Telephone Adapter Overview Provides descriptions of hardware and software features of the ATA 190 along with a brief overview of the Session Initiation Protocol SIP Chapter 2 Preparing to Install the ATA 190 on Your Network Provides ...

Страница 8: ...pliance and Safety Information for the Cisco ATA 190 Cisco ATA 190 Analog Telephone Adapter Release Notes Cisco Unified Communications Manager These publications are available at the following URL http www cisco com en US products sw voicesw ps556 tsd_products_support_series_home html Chapter 5 Configuring and Debugging Fax Services Provides instructions for configuring both ports of the ATA 190 t...

Страница 9: ...r use encryption Importers exporters distributors and users are responsible for compliance with U S and local country laws By using this product you agree to comply with applicable laws and regulations If you are unable to comply with U S and local laws return this product immediately Further information regarding U S export regulations may be found at http www access gpo gov bis ear ear_data html...

Страница 10: ...equipment damage or loss of data Warning 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 The symbol represents the key labeled Control for example the key combination D in a screen display means hold down the Control key whi...

Страница 11: ...ation Protocol SIP The ATA 190 analog telephone adapters are handset to Ethernet adapters that allow regular analog phones to operate on IP based telephony networks The ATA 190 supports two voice ports each with an independent phone number The ATA 190 also has an RJ 45 10 100BASE T data port This section covers these topics Session Initiation Protocol Overview page 1 2 Hardware Overview page 1 4 S...

Страница 12: ...he 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 ...

Страница 13: ...her 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 Figure 1 2 SIP Architecture SIP Clients SIP clients include Gateways Provide call control Gateways provide many services the most common...

Страница 14: ...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 Hardware Overview The ATA 190 is a compact easy to install device Figure 1 3 shows the rear panel of the ATA 190 Figure 1 3 ATA 190 Rear View The unit provides these connectors and indicators 5V power connector Tw...

Страница 15: ...ansport Layer Security Protocol Transport Layer Security TLS is a cryptographic protocol that secures data communications such as e mail on the Internet TLS is functionally equivalent to Secure Sockets Layer SSL T 38 Fax Relay The T 38 fax relay feature enables devices to use fax machines to send files over the IP network In general when a fax is received it is converted to an image sent to the T ...

Страница 16: ...otocol TCP Trivial File Transfer Protocol TFTP User Datagram Protocol UDP ATA 190 SIP Services These services include these features IP address assignment DHCP provided or statically configured ATA 190 configuration by Cisco Unified Communications Manager configuration interface VLAN configuration Cisco Discovery Protocol CDP Low bit rate codec selection User authentication Configurable tones dial...

Страница 17: ...ass through mode Receiver side Called Station Identification CED tone detection with automatic G 711A law or G 711µ law switching T 38 Fax Relay mode The T 38 fax relay feature enables devices to use fax machines to send files over the IP network In general when a fax is received it is converted to an image sent to the T 38 fax device and converted back to an analog fax signal T 38 fax relays conf...

Страница 18: ...se these services see Chapter 6 Using SIP Supplementary Services The ATA 190 supports these SIP supplementary services Caller ID Call waiting caller ID Voice mail indication Making a conference call Call waiting Call forwarding Calling line identification Unattended transfer blind transfer Attended transfer Shared Line SpeedDial Conference MeetMe Pick Up Redial Installation and Configuration Overv...

Страница 19: ...guration Overview Table 1 1 Overview of the Steps Required to Install and Configure the ATA 190 and Make it Operational Action Reference 1 Plan the network and ATA 190 configuration 2 Install the Ethernet connection 3 Install and configure the other network devices 4 Install the ATA 190 but do not power up the ATA 190 yet Installing the ATA 190 page 3 2 5 Power up the ATA 190 ...

Страница 20: ...1 10 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 Chapter 1 Cisco ATA 190 Analog Telephone Adapter Overview Installation and Configuration Overview ...

Страница 21: ...icesw index html This chapter provides an overview of the interaction between the ATA 190 and other key components of the Voice over IP VoIP network It includes these topics Understanding Interactions with Other Cisco Unified IP Communications Products page 2 1 Providing Power to the ATA 190 page 2 2 Understanding Phone Configuration Files page 2 3 Understanding the ATA 190 Startup Process page 2 ...

Страница 22: ...ons Manager and a phone For information about configuring Cisco Unified Communications Manager to work with the IP devices described in this chapter see Cisco Unified Communications Manager Administration Guide Cisco Unified Communications Manager System Guide and Cisco Unified Communications Manager Security Guide Providing Power to the ATA 190 The ATA 190 is powered with external power External ...

Страница 23: ...sco Unified Communications Manager If you configure security related settings in Cisco Unified Communications Manager Administration the phone configuration file will contain sensitive information To ensure the privacy of a configuration file you must configure it for encryption For detailed information see Configuring Encrypted Phone Configuration Files in Cisco Unified Communications Manager Sec...

Страница 24: ...e ATA 190 uses external power See Providing Power to the ATA 190 page 2 2 2 Loading the Stored Image The ATA 190 has non volatile flash memory in which it stores firmware images and user defined preferences At startup the phone runs a bootstrap loader that loads a phone image stored in flash memory Using this image the phone initializes its software and hardware 3 Obtaining an IP Address If the AT...

Страница 25: ...Understanding Phone Configuration Files page 2 3 6 Contacting Cisco Unified Communications Manager The configuration file defines how the ATA 190 communicates with Cisco Unified Communications Manager and provides a device with its load ID After obtaining the file from the TFTP server the device attempts to make a connection to the highest priority Cisco Unified Communications Manager on the list ...

Страница 26: ...mmunications Manager Security Guide For information about enabling auto registration see the Enabling Auto Registration in the Cisco Unified Communications Manager Administration Guide Note When you configure the cluster for mixed mode through the Cisco CTL client auto registration is automatically disabled When you configure the cluster for nonsecure mode through the Cisco CTL client auto registr...

Страница 27: ...opics Adding the ATA 190 with Auto Registration page 2 6 Determining the MAC Address of an ATA 190 Several of the procedures that are described in this manual require you to determine the MAC address of an ATA 190 You can determine the MAC address for a device in any of these ways Look at the MAC label on the back of the device Display the web page for the device and click the Device Information h...

Страница 28: ...2 8 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 Chapter 2 Preparing to Install the ATA 190 on Your Network Determining the MAC Address of an ATA 190 ...

Страница 29: ... Panel PHONE 1 PHONE 2 Connection to Analog telephones or fax NETWORK Connection to IP network POWER Connection to 5V power adapter Network Requirements The ATA 190 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 an...

Страница 30: ...es because it serves as the main disconnecting device Warning 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 190 manual What the ATA 190 Package Includes The ATA 190 package contains the following items ATA190 device Pointer Card 5V Power Adapter with appro...

Страница 31: ...mory is erased or the load is corrupted the ATA enters a recovery mode where it can restore the image by manual upgrading When you go offhook on the phone you will see the line LED to begin flashing and you will hear dial tone The ATA 190 has completed the startup process Configuring Startup Network Settings It is recommended to use DHCP instead of Static IP DHCP server provides ip mask gateway tf...

Страница 32: ... on the ATA 190 On Cisco Unified Communications Operating System Administration verify that the CAPF certificate has been installed The CAPF is running and configured See the Cisco Unified Communications Manager Security Guide for more information Note If you want to update LSC you need to use reset to factory default from Chapter B Voice Menu Codes ...

Страница 33: ...dset headset or speakerphone indicates that a user has one or more new voice messages on a line Note The stutter tone is line specific You hear it only when using the line with the waiting messages For more information refer to Cisco Unified Communications Manager Administration Guide Message Waiting Configuration Cisco Unified Communications Manager System Guide Voice Mail Connectivity to Cisco U...

Страница 34: ...ormation refer to the Cisco Unified Communications System Guide Understanding Directory Numbers Caller ID Displays caller identification such as a phone number name or other descriptive text on the phone screen For more information refer to Cisco Unified Communications Manager Administration Guide Cisco Unified IP Phone Configurations Cisco Unified Communications Manager System Guide Understanding...

Страница 35: ...o host a Meet Me conference in which other participants call a predetermined number at a scheduled time For more information refer to Cisco Unified Communications Manager Administration Guide Meet Me Number Pattern Configuration Message Waiting Defines directory numbers for message waiting on and message waiting off indicator A directly connected voice messaging system uses the specified directory...

Страница 36: ...while on hook or off hook Users assign index codes from the User Options web pages For more information refer to Cisco Unified Communications Manager Administration Guide Cisco Unified IP Phone Configuration Cisco Unified Communications Manager System Guide Cisco Unified IP Phones Time Zone Update Updates the IP phone with time zone changes For more information refer to the Cisco Unified Communica...

Страница 37: ...n offhook phone automatically adds the user initiator to the shared line call target and the users currently on the call receive a tone if configured Barge supports built in conference and shared conference bridges The Auto Barge feature allows the user to go offhook and be added to the call The Auto Barge feature supports built in conferences and shared conference bridges Call Sequence Bellcore F...

Страница 38: ...s To add users individually choose User Management End User from Cisco Unified Communications Manager Administration Refer to Cisco Unified Communications Manager Administration Guide for more information about adding users Refer to Cisco Unified Communications Manager System Guide for details about user information Input Audio Level Gain value of Network to Phone IVR Password ATA 190 IVR password...

Страница 39: ...smission of faxes in real time between two standard fax terminals communicating over SIP networks T 38 fax relay mode provides a more reliable and error free method of sending faxes over an IP network Using Fax Mode You can choose the preferred fax mode on the phone configuration page of the Unified CM administration page From the fax mode pull down window choose one of the following modes Fax pas...

Страница 40: ...uide for SIP Version 1 0 OL 31821 01 Chapter 5 Configuring Fax Services Using Fax Mode K56flex V 21 V 22 V 23 V 32 V 32bis V 44 V 90 V 92 Fax Modem Speeds The ATA 190 supports the following fax modem speeds 14 4 kb s 12 kb s 9 6 kb s 7 2 kb s 4 8 kb s 2 4 kb s ...

Страница 41: ...ion about your country s implementation of services contact your local Cisco equipment provider This section contains the following topics Attended Transfer page 6 2 Call Pickup page 6 2 Caller ID page 6 2 Call Waiting Caller ID page 6 2 Call Hold page 6 2 Group Call Pickup page 6 3 Meet Me Conference page 6 3 Privacy page 6 3 Shared Line page 6 3 Speed Dial page 6 4 Redial page 6 4 Unattended Tra...

Страница 42: ... answers the phone you may consult with the callee and then transfer the existing party by hanging up your phone handset Call Pickup Allows you to answer a call that is ringing on another phone within your call pickup group Perform the following steps to use the call pickup feature Procedure Step 1 Pick up the phone handset Step 2 Press 3 Caller ID When the phone rings the ATA 190 sends a Caller I...

Страница 43: ...time Perform the following steps to complete a meet me conference Procedure Step 1 Pick up the phone handset Step 2 Press 5 room ID Privacy This feature prevents users who share a line from adding themselves to a call and from viewing information on their phone screens about the call of the other user Perform the following steps to enable or disable the privacy feature Procedure Step 1 Pick up the...

Страница 44: ...fer Semi unattended Transfer page 6 4 Fully Unattended Transfer Blind Transfer page 6 4 Semi unattended Transfer Perform the following steps to complete a semi unattended transfer Procedure Step 1 Press the flash button on the phone handset to put the other party on hold and get a dial tone Step 2 Dial the phone number to which you would like to transfer the other party Step 3 Wait for at least on...

Страница 45: ...ndset This will put the first person you called on hold and you will receive a dial tone Step 3 Dial the second person and speak normally when that person answers Step 4 To conference with both callers at the same time perform a hook flash Making a Conference Call in Sweden Procedure Step 1 Dial the first number Step 2 When the person you called answers press the flash or receiver button on the ph...

Страница 46: ...econd call If there is no answer after one minute the caller receives three beeps and a busy signal To enable call waiting for Sweden go to ATA190 s configuration webpage and change the Call Sequence to ETSI FSK for Sweden Note In ETSI mode the user must pick up the call waiting rather than start the conference service The user cannot trigger the call conference service directly when there is a ca...

Страница 47: ...ce Reference Information page A 4 Physical Specifications Table A 1 Physical Specifications Description Specification Regulatory compliance FCC Part 15 Class B CE ICES 003 A Tick certification Restriction of Hazardous Substances RoHS and UL Power supply DC input voltage 5V DC at 2 0A maximum power consumption 5W Switching type 100 240V Automatic Power adapter 100 240V and 50 60 Hz 26 34 VA AC inpu...

Страница 48: ...Storage humidity 10 to 90 noncondensing Table A 2 Electrical Specifications Description Specification Power 0 25 to 12W idle to peak DC input voltage 5 0 V at 2 0A maximum Power adapter Universal AC DC 4 05 x 1 93 x 1 31 in 10 3 x 4 9 x 3 35 cm 4 23 oz 120 g for the AC input external power adapter 4 9 ft 1 5 m DC cord 6 ft 1 8 m cord UL cUL CE approved Class I adapter Table A 3 Environmental Speci...

Страница 49: ... typical balanced ringing only Ring frequency 20 Hz Ring waveform Trapezoidal with 1 2 to 1 6 crest factor Ring load 1400 ohm 40μF Ringer equivalence number REN Up to 5 REN per RJ 11 FXS port Loop impedance Up to 200 ohms plus 430 ohm maximum phone DC resistance On hook off hook characteristics On hook voltage tip ring 48V Off hook current 24 mA nominal RJ 11 FXS port terminating impedance option ...

Страница 50: ...length Nonlinear echo suppression ERL 28 dB for frequency 300 to 2400 Hz Convergence time 250 ms ERLE 10 to 20 dB Double talk detection Out of band DTMF RFC 2833 AVT tones for SIP Note Cannot transmit RFC 2833 and in band signalling simultaneously Configuration DHCP RFC 2131 Web configuration via built in Web server Touch tone phone keypad configuration with voice prompt Basic boot configuration R...

Страница 51: ...A 5 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 Appendix A ATA 190 Specifications SIP Compliance Reference Information http www ietf org rfc rfc2543 txt ...

Страница 52: ...A 6 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 Appendix A ATA 190 Specifications SIP Compliance Reference Information ...

Страница 53: ...ss the IVR go off hook on the phone connected to Line 1 and press The IVR prompts for a password Note The ATA 190 allows you to enter only numerical values for password Step 2 Enter the PIN by pressing the number keypad followed by button You are at the IVR main configuration menu Step 3 Follow the voice prompts on the IVR See Table B 1 for information on navigating the IVR Step 4 To return to the...

Страница 54: ...31 Availaible in static ip mode only Show TFTP server address 220 Configure TFTP server address 221 Show LAN mode 100 Value 0 for DHCP and 1 for static IP Configure LAN mode 101 Value 0 for DHCP and 1 for static IP Show VLAN 230 Configure VLAN 231 To disable VLAN Set VLAN id to 4095 To enable VLAN Set VLAN id from 1 to 4094 Factory Reset 73738 Table B 1 Navigating the IVR Configuration Menu contin...

Страница 55: ...0 3 Australia Germany Italy New Zealand United States Table C 1 Australia Parameter Recommended Values DialTone 2 31163 30958 1477 1566 1 0 0 0 BusyTone 1 30958 0 2212 0 0 3000 3000 0 ReorderTone 1 31163 0 2086 0 0 3000 3000 0 RingbackTone 102 31163 1477 30742 1654 2 3200 1600 3200 16000 0 SITTone 1 30958 0 2212 0 0 20000 4000 0 Table C 2 Germany Parameter Recommended Values DialTone 1 30958 0 312...

Страница 56: ...0 1757 0 0 4000 4000 0 Table C 4 New Zealand Parameter Recommended Values DialTone 1 31163 0 3307 0 1 0 0 0 BusyTone 1 31163 0 1657 0 0 4000 4000 0 ReorderTone 1 24916 0 3483 0 0 4000 4000 0 RingbackTone 102 31163 1316 30742 1474 2 3200 1600 3200 16000 0 SITTone 100 1 31163 1657 0 0 0 0 2 6000 800 6000 3200 0 0 2 0 Table C 5 United States Parameter Recommended Values DialTone 2 31537 30830 1490 18...

Страница 57: ...g the ATA 190 page 3 2 If the phone does not start up properly see the following sections for troubleshooting information Symptom The ATA 190 Does Not Go Through its Normal Startup Process page D 1 Symptom The ATA 190 Does Not Register with Cisco Unified Communications Manager page D 2 Symptom ATA 190 Unable to Obtain IP Address page D 4 Symptom The ATA 190 Does Not Go Through its Normal Startup P...

Страница 58: ...he reason the phone is unable to start up properly Registering the Phone with Cisco Unified Communications Manager page D 4 Checking Network Connectivity page D 2 Verifying TFTP Server Settings page D 2 Verifying DNS Settings page D 3 Verifying Cisco Unified Communications Manager Settings page D 3 Cisco Unified Communications Manager and TFTP Services Are Not Running page D 3 Creating a New Confi...

Страница 59: ...eriencing a system wide failure and that other phones and devices are unable to start up properly If the Cisco Unified Communications Manager service is not running all devices on the network that rely on it to make phone calls will be affected If the TFTP service is not running many devices will not be able to start up successfully To start a service follow these steps Procedure Step 1 From Cisco...

Страница 60: ... longer accessible from the phone The directory numbers are still assigned to the phone in the Cisco Unified Communications Manager database but there is no button on the phone with which calls can be answered These directory numbers should be removed from the phone and deleted if necessary Registering the Phone with Cisco Unified Communications Manager A phone can register with a Cisco Unified Co...

Страница 61: ...connection to which the ATA 190 is connected is up For example check whether the particular port or switch to which the phone is connected is down and that the switch is not rebooting Also make sure that there are no cable breaks Identifying Intermittent Network Outages Intermittent network outages affect data and voice traffic differently Your network might have been experiencing intermittent out...

Страница 62: ...rors If the phone continues to reset follow these steps to eliminate DNS or other connectivity errors Procedure Step 1 Use the IVR to reset phone settings to their default values See Accessing the IVR and Configuring Your Phone Setting page B 1 for details Step 2 Modify DHCP and IP settings a Disable DHCP b Assign static IP values to the phone See Understanding Phone Configuration Files page 2 3 f...

Страница 63: ...hone cannot authenticate any of the configuration files other than CTL file The configuration file may not be signed by the corresponding certificate in the phone s Trust List Phone does not register with Cisco Unified Communications Manager The CTL file does not contain the correct information for the Cisco Unified Communications Manager server Phone does not request signed configuration files Th...

Страница 64: ... recognized Codec mismatch between the phone and another device The RxType and the TxType statistics show the codec that is being used for a conversation between this ATA 190 and the other device The values of these statistics should match If they do not verify that the other device can handle the codec conversation or that a transcoder is in place to handle the service Sound sample mismatch betwe...

Страница 65: ...ly liquids or powders directly on the device As with all non weather proof electronics liquids and powders can damage the components and cause failures One way audio When at least one person in a call does not receive audio IP connectivity between phones is not established Check the configurations in routers and switches to ensure that IP connectivity is properly configures Phone call cannot be es...

Страница 66: ...D 10 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 Chapter D Troubleshooting and Maintenance Cleaning the ATA 190 ...

Страница 67: ...A three second 2100 Hz tone generated by a fax machine answering a call which is used in the hand shaking used to set the call the response from a called fax machine to a CNG tone CELP code excited linear prediction compression Compression algorithm used in low bit rate voice encoding Used in ITU T Recommendations G 728 G 729 G 723 1 CLIP Calling Line Identification Presentation Shows your identit...

Страница 68: ...ain Name System System used on the Internet for translating names of network nodes into addresses DSP digital signal processor A DSP segments the voice signal into frames and stores them in voice packets DTMF dual tone multifrequency Tones generated when a button is pressed on a phone primarily used in the U S and Canada E E 164 The international public telecommunications numbering plan A standard...

Страница 69: ...a very low bit rate as part of the H 324 family of standards This Codec has two bit rates associated with it 5 3 and 6 3 kbps The higher bit rate is based on ML MLQ technology and provides a somewhat higher quality of sound The lower bit rate is based on CELP and provides system designers with additional flexibility Described in the ITU T standard in its G series recommendations G 729A Describes C...

Страница 70: ...ignals in PCM systems Similar to the European a law See also a law and companding N NAT Network Address Translation Mechanism for reducing the need for globally unique IP addresses NAT allows an organization with addresses that are not globally unique to connect to the Internet by translating those addresses into globally routable address spaces Also known as Network Address Translator NSE packets...

Страница 71: ...uests A registrar is typically co located with a proxy or redirect server and may offer location services router Network layer device that uses one or more metrics to determine the optimal path along which network traffic should be forwarded Routers forward packets from one network to another based on network layer information Occasionally called a gateway although this definition of gateway is be...

Страница 72: ...A TN power system is a power distribution system with one point connected directly to earth ground The exposed conductive parts of the installation are connected to that point by protective earth conductors TOS Type of service See CoS U UAC User agent client A client application that initiates the SIP request UAS User agent server or user agent A server application that contacts the user when a SI...

Страница 73: ...Internet with POTS like functionality reliability and voice quality VoIP enables a router to carry voice traffic for example phone calls and faxes over an IP network In VoIP the DSP segments the voice signal into frames which then are coupled in groups of two and stored in voice packets VoIP is a blanket term which generally refers to Cisco s standard based for example H 323 approach to IP voice t...

Страница 74: ...Glossary GL 8 Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP Version 1 0 OL 31821 01 ...

Страница 75: ...nance D 1 Audible message waiting indicator 4 1 auto registration using 2 6 B BAT Bulk Administration Tool 2 7 C caller ID 4 2 6 2 call forward all calls 4 2 call forwarding in Sweden 6 6 in United States 6 6 types 6 6 call pickup 4 2 call waiting 4 2 in Sweden 6 6 in United States 6 6 call waiting caller ID 6 2 cbarge 4 1 Cisco Unified Communications Manager adding phone to database of 2 5 intera...

Страница 76: ... 2 environmental specifications A 2 F fax pass through mode 5 1 fax services 5 1 forced authorization codes 4 3 FXS ports 1 4 G group call pickup 4 3 H hold 4 3 I installing preparing 2 5 L Lightweight Directory Access Protocol LDAP 1 3 M meet me conference 4 3 message waiting 4 3 methods supported 1 7 music on hold 4 3 N network connectivity checking D 2 network outages identifying D 5 Network po...

Страница 77: ...aining power 2 4 requesting configuration file 2 5 requesting CTL file 2 4 understanding 2 4 supplementary services common 6 1 T T 38 fax relay mode 5 1 telephony features Audible message waiting indicator 4 1 caller ID 4 2 call forward 4 2 call pickup 4 2 call waiting 4 2 cbarge 4 1 conference 4 2 direct transfer 4 3 forced authorization codes 4 3 group call pickup 4 3 hold 4 3 meet me conference...

Страница 78: ...VLAN configuration D 6 U User agent client UAC 1 2 User agent server UAS 1 3 users adding to Cisco Unified Communications Manager 4 6 using phone templates to add phones 2 7 V VLAN verifying D 6 voice messaging system 4 4 W warnings installation 3 2 lightning activity 3 2 main disconnecting device 3 2 product disposal 3 2 ...

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