Manuals / Linksys / Communications / Telephone

Linksys SPA962, SPA942, SPA932, SPA922 Session Initiation Protocol and SPA9x2 Phones, SIP Over TCP

Models: SPA942

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Session Initiation Protocol and SPA9x2 Phones

Introducing Linksys SPA9x2 Phones

Session Initiation Protocol and SPA9x2 Phones

Session Initiation Protocol and SPA9x2 Phones

Linksys SPA9x2 phones use Session Initiation Protocol (SIP), allowing interoperation with all ITSPs supporting SIP.

SIP handles signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries. Session management controls the attributes of an end-to-end call.

The following diagram shows a SIP request for connection to another subscriber in the network.

In typical commercial IP telephony deployments, all calls go through a SIP proxy server. The requesting phone is called the SIP user agent server (UAS), while the receiving phone is called the user agent client (UAC).

SIP UA

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SIP Proxy

RTP

SIP Proxy

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SIP Proxy

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SIP UA

SIP message routing is dynamic. If a SIP proxy receives a request from a UAS for a connection but cannot locate the UAC, the proxy forwards the message to another SIP proxy in the network. When the UAC is located, the response is routed back to the UAS, and a direct peer-to- peer session is established between the two UAs. Voice traffic is transmitted between UAs over dynamically-assigned ports using Real-time Protocol (RTP).

The Internet protocol RTP transmits real-time data such as audio and video; it does not guarantee real-time delivery of data. RTP provides mechanisms for the sending and receiving applications to support streaming data. Typically, RTP runs on top of the UDP protocol. See ”Simple Traversal of UDP Through NATs (STUN)” section on page 13.

SIP Over TCP

To guarantee state-oriented communications, SPA9x2 phones can use TCP as the transport protocol for SIP. This protocol is “guaranteed delivery”, which assures that lost packets are retransmitted. TCP also guarantees that the SIP packages are received in the same order that they were sent.

Linksys SPA9x2 Phone Administration Guide

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Linksys SPA962, SPA942 manual Session Initiation Protocol and SPA9x2 Phones, SIP Over TCP, Introducing Linksys SPA9x2 Phones

Contents

Linksys SPA9x2 Phone Administration Guide ADMINISTRATION GUIDEInterim version released June 2008 to be updated August BUSINESS SERIESChapter 1 Introducing Linksys SPA9x2 Phones Table of ContentsChapter 2 Getting Started Chapter 3 Setting System Features Chapter 4 Setting SIP ParametersChapter 5 Provisioning Basics Table of ContentsChapter 7 Customizing SPA9x2 Phones Chapter 6 Setting Regional ParametersTable of Contents Chapter 10 Using the SPA932 Sidecar Chapter 8 Customizing SPA9x2 ExtensionsChapter 9 Customizing Users Table of ContentsChapter 11 SPA9x2 Phone Field Reference Table of ContentsAppendix B Configuring a Dial Plan Appendix A Creating an LED ScriptAppendix C Contacts Table of ContentsIntroducing Linksys SPA9x2 Phones Read Me FirstIntroducing Linksys SPA9x2 Phones Finding Text in a PDFRelated Documentation 6. Click SearchIntroducing Linksys SPA9x2 Phones Read Me FirstBasic Phone Features ”Basic Phone Features” section on page”Additional Phone Features” section on page ”SPA9x2 Phone Configuration Scenarios” section on pageAdditional Phone Features Additional Phone FeaturesSPS932 Sidecar Attendant for the SPA962 Introducing Linksys SPA9x2 PhonesAdditional Phone Features Features Requring SIP SupportIntroducing Linksys SPA9x2 Phones SPA9x2 Phone Configuration Scenarios SPA9x2 Phone Configuration ScenariosIntroducing Linksys SPA9x2 Phones SPA9000 IP PBX System SPA9000 IP PBX SystemIntroducing Linksys SPA9x2 Phones Linksys SPA9x2 Phone Administration Guide PSTN switch UserD 1 to 4 DID linesSIP-PSTN UserBGateway Switch Internet WAN Interface Introducing Linksys SPA9x2 PhonesSession Initiation Protocol and SPA9x2 Phones SIP Over TCPSession Initiation Protocol and SPA9x2 Phones Introducing Linksys SPA9x2 PhonesUsing SPA9x2 Phones with a Firewall or Router Using SPA9x2 Phones with a Firewall or RouterSIP Proxy Redundancy Introducing Linksys SPA9x2 Phones”Routers and Service Provider Support of NAT” section on page Network Address Translation and SPA9x2 PhonesNetwork Address Translation and SPA9x2 Phones Introducing Linksys SPA9x2 PhonesRouters and Service Provider Support of NAT STUN Server Enable see ”NAT Support Parameters” section on pageSession Border Controllers ”Session Border Controllers” section on pageSimple Traversal of UDP Through NATs STUN SIP-NAT InteroperationSimple Traversal of UDP Through NATs STUN Introducing Linksys SPA9x2 PhonesUsing SPA9x2 Phones in a VLAN Using SPA9x2 Phones in a VLAN3. Click Admin Login advanced Determining the Type of NAT Used on Your RouterIntroducing Linksys SPA9x2 Phones Using SPA9x2 Phones in a VLANShows information about the interfaces your router uses ”Using the Phone Display and Buttons” section on page ”Using the LCD Screen” section on page”Using the Web User Interface” section on page ”Using the Personal Directory” section on pageDownloading the Firmware Upgrading SPA9x2 FirmwareDownloading the Firmware Getting StartedUsing the Phone Display and Buttons Using the Phone Display and ButtonsGetting Started see Appendix A Creating an LED Script Using the Phone Display and ButtonsPhone Feature Getting StartedUsing the Web User Interface Using the LCD ScreenGetting Started Using the Web User Interface Administrator and User ViewsGetting Started Administrator Privileges Admin Login Web Pageshttp//phone.ip.address/admin Using the Web User InterfaceUsing the Personal Directory User Login Web PagesUsing the Personal Directory Basic and Advanced ViewsWeb Admin Tabs Setup 3 Call HistoryViewing Call History Caller and Called Name MatchingRoadmap to Web UI Features Roadmap to Web UI FeaturesSee Chapter 3, Setting System FeaturesSee Chapter 6, Setting Regional See Chapter 5, ProvisioningSee Chapter 7, Customizing SPA9x2 PhonesObtaining Phone Information Info Tab Obtaining Phone Information Info TabSidecar See ”System and ProductSystem and Product Information Product Information NotesSystem and Product Information ”Line and Call Status Information”Phone Status Information Understanding Lines, Calls, and Shared Call AppearancesPhone Status Notes Phone Status InformationUnderstanding Extensions Shared Line or Call AppearancesUnderstanding Lines, Calls, and Shared Call Appearances Getting StartedExtension Status Information Line Key LEDsExtension Status Information Getting StartedLine and Call Status Information Extension Status NotesLine and Call Status Notes Line and Call Status InformationDownloaded Ring Tones What’s Next?Ring Tone Notes Downloaded Ring TonesWhat’s Next? Getting StartedSetting System Features Setting Security FeaturesSetting System Features Setting Security FeaturesSRTP and Securing Calls 4. Click Submt All ChangesSetting System Features Setting Security FeaturesEnsuring Voice Quality Supported CodecsSecure Call Indication Tone Ensuring Voice QualitySetting System Features Bandwidth RequirementsEnsuring Voice Quality Setting System Features Factors Affecting Voice QualityEnsuring Voice Quality Setting System Features Setting System Features”Setting a Static IP Address on the IP Phone” section on page Setting System FeaturesSetting System Configuration Information System Configuration NotesSetting System Configuration Information Setting System FeaturesSetting Internet, IP and PPPoE Information Setting a Static IP Address on the IP PhoneSetting Internet, IP and PPPoE Information DHCP and PPPoE NotesSetting Optional Network Parameters Optional Network Configuration NotesSetting Optional Network Parameters Setting System FeaturesConfiguring VLAN Settings VLAN Settings NotesConfiguring VLAN Settings Setting System FeaturesSetting SIP Parameters Setting SIP Parameters”SIP Parameters” section on page ”SIP Timer Values” section on page SIP ParametersSIP Parameter Notes Setting SIP ParametersSIP Parameters ParameterSetting SIP Parameters see Chapter 10, Using the SPA932 SidecarSIP Parameters ParameterSIP Timer Values SIP Timer NotesSIP Timer Values Setting SIP ParametersSetting SIP Parameters SIP Timer ValuesParameter Descriptionadded to the short timer REGISTER after a failure. RegRetryLongRandomDelayMinimum and maximum random delay to be added to the long Long Intvl when retrying REGISTER after a failureRTP Parameters Response Status NotesRTP Notes RTP ParametersSDP Payload Types NAT Support ParametersSDP Payload Parameters SDP Payload TypesLinksys Key System Parameters NAT Support Parameter NotesLinksys Key System Notes Linksys Key System Parameters”Upgrading, Resyncing, and Rebooting Phones” section on page ”Configuration Access Control” section on page”Using HTTPS” section on page ”Firmware Upgrade Parameters” section on pageSPA9x2 Configuration Profiles Provisioning Configuration from Phone KeypadSPA9x2 Configuration Profiles Provisioning BasicsUpgrading, Resyncing, and Rebooting Phones Upgrading, Resyncing, and Rebooting PhonesSPA9x2 web UI Provisioning Firmware Upgrade Upgrade Enable yes Upgrading Firmware on a PhoneRebooting a Phone Resyncing a PhoneUpgrading, Resyncing, and Rebooting Phones Provisioning BasicsRedundant Provisioning Servers Retail Provisioninghttps//prov.supervoip.com/linksys-init Redundant Provisioning ServersConfiguration Access Control Using HTTPSAutomatic In-House Preprovisioning Automatic In-House PreprovisioningFirmware Upgrade Parameters Using HTTPSHow HTTPS Works Server CertificatesUsing HTTPS ProfileRule. Defines upgrade conditions and associated firmware URLsProvisioning Basics ParameterSample Configuration File Sample Configuration FileGeneral Purpose Parameters Provisioning BasicsSetting Regional Parameters Setting Regional Parameters”Control Timer Values sec” section on page ”Vertical Service Activation Codes Star Codes” section on pageAdvanced Scripting for Cadences, Call Progress Tones, and Ring Tones Setting Regional ParametersExample 1 Normal Ring Example 2 Distinctive Ring short,short,short,longSetting Regional Parameters Advanced Scripting for Cadences, Call Progress Tones, and Ring TonesAdvanced Scripting for Cadences, Call Progress Tones, and Ring Tones Setting Regional Parameters1 = A classic phone with mechanical bell 2 = Typical phone ring Call Progress Tones Call Progress Tones NotesCall Progress Tones Setting Regional ParametersControl Timer Values sec Control Timer Value NotesDistinctive Ring Patterns Ring Pattern NotesVertical Service Activation Codes Star Codes Vertical Service Activation Codes Star CodesSetting Regional Parameters FieldSetting Regional Parameters Vertical Service Activation Code NotesVertical Service Activation Codes Star Codes Vertical Service Activation Codes Star Codes Setting Regional ParametersReferral Services Codes One or more * code can b* codee configured into this parameter, such as *98, or *97*98*123, and so on. The maximum total length is 79 characters Setting Regional Parameters Using Star Codes to Activate/Deactivate ServicesVertical Service Activation Codes Star Codes Vertical Service Announcement Codes Disabling/Deactivating ServicesVertical Service Announcement Codes Setting Regional ParametersSetting Regional Parameters Vertical Service Announcement NotesVertical Service Announcement Codes Setting Regional Parameters Vertical Service Announcement Codes10 Do Not Disturb DDT DND enabled DDF DND disabled WDF CWCID disabled 13 Block Anonymous callConfiguring Daylight Savings Time” Daylight Saving Time Examples” Miscellaneous ParametersOutbound Call Codec Selection Codes Outbound Call Codec Selection NotesSetting Regional Parameters DTMF NotesMiscellaneous Parameters Localizing Your SPA9x2 Phone Managing the Time and DateLocalizing Your SPA9x2 Phone Setting Regional ParametersSetting Regional Parameters Configuring Daylight Savings TimeLocalizing Your SPA9x2 Phone Selecting a Language Daylight Saving Time ExamplesSelecting a Language Setting Regional ParametersSetting Regional Parameters Creating a Dictionary Server ScriptSelecting a Language Setting Regional Parameters Linksys SPA9x2 Phone Administration GuideSelecting a Language For example DictionaryServerScript ua=na”Using the Photo Album Feature on the SPA962” section on page ”Supplementary Services Parameters” section on page”Using Call Parking” section on page ”Using Call Pick Up and Group Call Pick Up” section on pageservice provider often hosts a voice mail service. The advantages of hosted voicemail includeCustomizing SPA9x2 Phones General Phone InformationUsing the Photo Album Feature on the SPA962 Changing the Display Background SPA942/9626. Click Submit All Changes Customizing SPA9x2 PhonesConfiguring Shared Line Extension on SPA9x2 Phones Line Key InformationLine Key Notes Line Key InformationMiscellaneous Line Key Settings Notes Line Key LED Pattern NotesCustomizing SPA9x2 Phones Line Key InformationCustomizing SPA9x2 Phones Line Key Information“c” indicates “color” the color of the LED “r” indicates “red” a red-colored LEDSupplementary Services Parameters Supplementary Services NotesSupplementary Services Parameters Customizing SPA9x2 PhonesSupplementary Services Parameters Enables/Disableseavesdrop on the conversation. To enable this feature the Call pick up feature see ”Using Call Pick Up and Group CallUsing Group Paging Using Call ParkingUsing Call Pick Up and Group Call Pick Up Supplementary Services ParametersRing Tone Parameters Ring Tone ParametersCustomizing SPA9x2 Phones Customizing SPA9x2 Phones Managing Ring TonesRing Tone Parameters Audio Input Gain dB and Extension Mobility Settings Using Extension MobilityAudio Input Gain dB and Extension Mobility Settings Extension Mobility NotesGeneral, Shared Line Appearance, and NAT Settings General, Shared Line Appearance, and NAT Settings”General, Shared Line Appearance, and NAT Settings” section on page ”Network Settings and SIP Settings” section on pageNAT Settings Notes General, Shared Line Appearance, and NAT SettingsCustomizing SPA9x2 Extensions ParameterNetwork Settings and SIP Settings Network Settings NotesSIP Settings Notes Network Settings and SIP SettingsIf this feature is enabled, the IP telephony ignores further Defaults to noWhen enabled, authorization is required for initial incoming StickyCall Feature Settings Call Feature NotesCall Feature Settings Customizing SPA9x2 ExtensionsProxy and Registration Parameters Proxy and Registration ParametersCustomizing SPA9x2 Extensions Configuring a SIP Proxy Server Configuring a SIP Proxy Server1. Select Admin Advanced Customizing SPA9x2 ExtensionsAudio Configuration Parameters Subscriber Information ParametersSubscriber Information Notes Subscriber Information ParametersAudio Configuration Parameters Customizing SPA9x2 ExtensionsAudio Configuration Notes Audio Configuration ParametersCustomizing SPA9x2 Extensions ParameterDefaults to yes Dial Plan ParametersDial Plan Parameters in outbound SDPDial Plan Notes See Appendix B Configuring a Dial Plan for more detailedCustomizing SPA9x2 Extensions Dial Plan ParametersCustomizing SPA9x2 Extensions Dial Plan ParametersParameter Description”Supplementary Services” section on page ”Setting RSS Newsfeeds on the SPA962 Phone” section on page”Web Information Service Settings SPA962 Only” section on page ”Audio Volume Settings” section on pageSupplementary Services Supplementary ServicesSupplementary Services Notes Customizing UsersSetting RSS Newsfeeds on the SPA962 Phone Web Information Service Settings SPA962 OnlySetting RSS Newsfeeds on the SPA962 Phone Customizing UsersAudio Volume Settings Web Information Service NotesTraffic Information Settings Audio Volume NotesPhone GUI Color Settings SPA962 Only Phone GUI Color Settings SPA962 OnlyPhone LCD Notes Customizing UsersUsing the SPA932 Sidecar Using the SPA932 Sidecar”Configuring the SPA9000 for the SPA932” section on page ”Configuring the Broadsoft Server for the SPA932” section on pageUsing the SPA932 Sidecar Setting Up the SPA932 SidecarSetting Up the SPA932 Sidecar Configuring the SPA9000 for the SPA932 Configuring the Broadsoft Server for the SPA932Using the SPA932 Sidecar Setting Up the SPA932 SidecarUsing the SPA932 Sidecar Configuring the Asterisk Server for the SPA932Setting Up the SPA932 Sidecar Using the SPA932 Sidecar Configuring the SPA932Setting Up the SPA932 Sidecar Unit/Key Configuration Scripts 10. Click Submit All ChangesUsing the SPA932 Sidecar Setting Up the SPA932 SidecarSPA9000 Syntax Broadsoft syntaxUsing the SPA932 Sidecar Setting Up the SPA932 SidecarSPA932 Parameter Notes Asterisk syntaxUsing the SPA932 Sidecar Setting Up the SPA932 SidecarMonitoring the SPA932 SPA932 Unit Monitoring NotesMonitoring the SPA932 Using the SPA932 SidecarMonitoring the SPA932 Using the SPA932 SidecarLine Station Subscribe SPA9x2 Phone Field Reference Info TabSPA9x2 Phone Field Reference System InformationProduct Information Phone StatusIndicates any additional licenses that you have installed SPA9x2 Phone Field ReferenceExt Status SPA9x2 Phone Field ReferenceInfo Tab Total number of RTP packets sent including redundantSPA9x2 Phone Field Reference Line /Call StatusInfo Tab System Configuration System Configuration, pageInternet Connection Type and Static IP Settings, page Optional Network Configuration, page VLAN Settings, pageInternet Connection Type and Static IP Settings PPPoE SettingsLets you enable or disable local access to the web UIweb SPA9x2 Phone Field ReferenceOptional Network Configuration The debug server name and port. This feature specifiesSPA9x2 Phone Field Reference System TabVLAN Settings SIP Parameters, page SIP Timer Values sec, pageSIP Tab SIP ParametersSPA9x2 Phone Field Reference SIP TabNumber of times an invite can be redirected to avoid an this is not specified, the SIP User Agent Name is alsoEnables support for the Broadsoft Talk Package, which enables a user to answer or resume a call by clicking aEnables support for the Broadsoft Hold Package, which which enables a user to start a conference by clicking aSIP Timer Values sec SPA9x2 Phone Field ReferenceSIP Tab INVITE final response, time-out value, which can rangeResponse Status Code Handling Defaults to blank, which disables the exponential backSPA9x2 Phone Field Reference SIP TabRTP Parameters SPA9x2 Phone Field ReferenceSIP Tab reception. RTP Port Min and RTP Port Max shouldattempts to compute the round trip delay and show it as SPA9x2 Phone Field ReferenceSIP Tab connection. It can range from 0 to 255 seconds. DuringSDP Payload Types SPA9x2 Phone Field ReferenceSIP Tab RTP-Start-Loopback DynamicSIP Tab SPA9x2 Phone Field ReferenceG711u Codec Name SPA9x2 Phone Field Reference NAT Support ParametersSIP Tab SPA9x2 Phone Field Reference Linksys Key System ParametersSIP Tab Control Timer Values sec, page Vertical Service Activation Codes, pageProvisioning Tab Regional TabRegional Tab Played when a 486 RSC is received for an outbound callPlayed when a call is waiting. Defaults to 440@-1030.3 SPA9x2 Phone Field Referencean error occurs as a caller makes an outbound call. The RSC to trigger this tone is configurable on the SIP screenPlayed instead of the Dial Tone when there are unheard Played to all parties when a three-way conference call isDefaults to60.2/.4,.2/.4,.2/4 Defaults to 600.25/9.75Distinctive Ring Patterns SPA9x2 Phone Field ReferenceControl Timer Values sec Vertical Service Activation CodesLong timeout between entering digits when dialing. The The InterdigitLongTimer is used after any one digit, ifStarts a callback when the last outbound call is not busy SPA9x2 Phone Field ReferenceRegional Tab Forwards busy calls to the extension specified after theRegional Tab SPA9x2 Phone Field ReferenceCW Per Call Act Code Regional Tab SPA9x2 Phone Field ReferenceSecure One Call Deact Code SPA9x2 Phone Field Reference Referral Services CodesRegional Tab SPA9x2 Phone Field Reference Feature Dial Services CodesRegional Tab Vertical Service Announcement Codes SPA9x2 Phone Field ReferenceOutbound Call Codec Selection Codes Regional TabSPA9x2 Phone Field Reference Regional TabSPA9x2 Phone Field Reference MiscellaneousRegional Tab SPA9x2 Phone Field Reference Daylight Savings Time EnableRegional Tab Phone Tab Phone TabGeneral, page SPA9x2 Phone Field ReferenceLine Key, page Miscellaneous Line Key Settings, page Line Key LED Pattern, page Supplementary Services, pageGeneral Ring Tone, page Auto Input Gain dB, pageSPA9x2 Phone Field Reference Line KeyPhone Tab Miscellaneous Line Key Settings Line Key LED PatternSPA9x2 Phone Field Reference Phone TabLED pattern when the Call Appearance is disabled not LED pattern during the Local Ringing state, when the callLED pattern during the Remote Ringing state, where the LED pattern during the Local Active state, where the callSupplementary Services LED Pattern when the corresponding extension is tryingSPA9x2 Phone Field Reference Phone TabRing Tone centers. Typically enabled with the SIP-B parameterSPA9x2 Phone Field Reference Phone TabSPA9x2 Phone Field Reference Auto Input Gain dBPhone Tab General, page Share Line Appearance, page NAT Settings, page Network Settings, page SIP Settings, page Call Feature Settings, pageExt Tab Extension MobilityAudio Configuration, page Dial Plan, page Share Line AppearanceSPA9x2 Phone Field Reference GeneralNAT Settings Network SettingsSPA9x2 Phone Field Reference Ext TabSIP Settings Controls how the jitter buffer should be adjusted. SelectSPA9x2 Phone Field Reference Ext TabSPA9x2 Phone Field Reference settings Referor, Refer Target, Referee, and Refer-ToExt Tab listen port. This feature controls which SIP messages to If this feature is enabled, the IP telephony ignores furtherresponse for an outbound INVITE. To enable this feature SPA9x2 Phone Field ReferenceCall Feature Settings server. When only a user ID is specified, the current oroutbound proxy is contacted. Music-on-hold is disabled Defaults to imusic when used with a SPA9000 IP PBXDefaults to Specifies whether to enable a SIP-B feature regarding theSPA9x2 Phone Field Reference Ext TabProxy and Registration SPA9x2 Phone Field ReferenceExt Tab Outbound Proxy is no or Outbound Proxy is emptySubscriber Information Using multiple DNS A record per server name does notSPA9x2 Phone Field Reference Ext TabAudio Configuration SPA9x2 Phone Field ReferenceExt Tab Preferred codec for all calls. The actual codec used in a call stillSPA9x2 Phone Field Reference To enable silence suppression so that silent audio frames areExt Tab User Tab Dial PlanUser Tab SPA9x2 Phone Field ReferenceCall Forward, page Speed Dial, page Supplementary Services, page Web Information Service Settings SPA962, pageTraffic Service Information Settings SPA962, page Audio Volume, page Phone GUI Menu Color Settings SPA962 only, pageWeb Information Service Settings SPA962 Traffic Service Information Settings SPA962Audio Volume Phone GUI Menu Color Settings SPA962 only932 Tab SPA962 only 932 Tab SPA962 onlyUnit 2, page -179General, page General, page Unit 2, page -179General Linksys SPA9x2 Phone Administration Guidescript is described in ”Unit/Key Configuration Scripts” SPA932 StatusUnit SPA932 StatusSPA9x2 Phone Field Reference SPA932 StatusUnit 1-Displays information about the first SPA932 sidecar unit subscription expires, the SPA932 automatically requests a newCreating an LED Script LED ScriptCreating an LED Script LED Script ExamplesLED Pattern Creating an LED ScriptConfiguring a Dial Plan Configuring a Dial PlanDial Plan Digit Sequences Dial Plan Rules Digit Sequence SyntaxElement Repetition Sub-sequence SubstitutionInterdigit Timer Master Override Local Timer OverridesL delay-valuespace P delay-value spaceDial Plan Timers Interdigit Long TimerInterdigit Short Timer InterdigitLongTimer defaults to InterdigitShortTimer defaults toDial Plans Configuring a Dial PlanContacts US/Canada ContactsEU Contacts Contacts8060952NC-EW