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Linksys SPA9x2 Phone
Administration Guide
BUSINESS SERIES
Version 5.2
SPA922, SPA932, SPA942, SPA962
ADMINISTRATION GUIDE
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Table of Contents Chapter 1: Introducing Linksys SPA9x2 Phones . . . . . . . . . . . . 1 Read Me First 1 Finding Text in a PDF 1 Finding Text in Multiple PDFs 1 Related Documentation 2 Getting Started 3 Basic Phone Features 3 SPS932 Sidecar Attendant for the SPA962 4 Additional Phone Features 4 Features Requring SIP Support 5 SPA9x2 Phone Configuration Scenarios 6 SPA9000 IP PBX System 7 Session Initiation Protocol and SPA9x2 Phones 9 SIP Over TCP 9 SIP Proxy Redundancy
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Table of Contents Downloaded Ring Tones 33 Ring Tone Notes 33 For more information about downloading ring tones, see: 33 What’s Next? 33 Chapter 3: Setting System Features . . . . . . . . . . . . . . . . . 35 Setting Security Features 35 SIP Initial INVITE and MWI Challenge 35 SIP Over TLS 35 SRTP and Securing Calls 36 Ensuring Voice Quality 37 Supported Codecs 37 Bandwidth Requirements 38 Factors Affecting Voice Quality 39 Setting System Features 40 Setting S
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Table of Contents Retail Provisioning 59 Automatic In-House Preprovisioning 60 Configuration Access Control 60 Using HTTPS 60 How HTTPS Works 61 Server Certificates 61 Client Certificates 61 SPA9x2 Configuration Profiles 62 Firmware Upgrade Parameters 62 General Purpose Parameters 63 Sample Configuration File 63 Chapter 6: Setting Regional Parameters . . . . . . . . . . . . . . . 65 Advanced Scripting for Cadences, Call Progress Tones, and Ring Tones 65 Call Progre
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Table of Contents Ring Tone Parameters 93 Managing Ring Tones 93 Audio Input Gain (dB) and Extension Mobility Settings 94 Using Extension Mobility 95 Extension Mobility Notes 95 Chapter 8: Customizing SPA9x2 Extensions . . . . . . . . . . . . . 96 General, Shared Line Appearance, and NAT Settings 96 General Parameter Notes 96 Share Line Appearance Notes 96 NAT Settings Notes 97 Network Settings and SIP Settings 98 Network Settings Notes 98 SIP Settings Notes 98 Call F
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Table of Contents Chapter 11: SPA9x2 Phone Field Reference . . . . . . . . . . . . 123 Info Tab 123 System Information 123 Product Information 124 Phone Status 124 Ext Status 125 Line /Call Status 126 Downloaded Ring Tone 127 System Tab 127 System Configuration 127 Internet Connection Type and Static IP Settings 128 PPPoE Settings 128 Optional Network Configuration 129 VLAN Settings 130 SIP Tab 130 SIP Parameters 130 SIP Timer Values (sec) 133 Response Status Code Ha
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Table of Contents User Tab 175 Call Forward 176 Speed Dial 176 Supplementary Services 176 Web Information Service Settings (SPA962) 177 Traffic Service Information Settings (SPA962) 177 Audio Volume 177 Phone GUI Menu Color Settings (SPA962 only) 177 932 Tab (SPA962 only) 178 General 179 Unit 2 179 SPA932 Status 180 Appendix A: Creating an LED Script . . . . . . . . . . . . . . . . 181 LED Script 181 LED Pattern 182 Appendix B: Configuring a Dial Plan . .
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Introducing Linksys SPA9x2 Phones 1 Read Me First Introducing Linksys SPA9x2 Phones This manual is for Linksys partners, value added resellers (VARs) and Internet service providers. Use this manual to configure Linksys 9x2 series phones and users. NOTE: This manual assumes that your SPA9x2 phones are installed and connected to the network. If not, see ”Related Documentation” section on page 2 for installation information. Read Me First The PDF Find/Search tool lets you find information qui
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Introducing Linksys SPA9x2 Phones Read Me First 3. From the drop-down box, choose Browse for Location. 4. Choose the location you want to search, either on your computer or on a network, then click OK. 5. If you want to specify additional search criteria, click Advanced Search Options, and choose the options you want. 6. Click Search. For more information about the Find and Search functions, see the Adobe Acrobat online help. Related Documentation Refer to--and search--the following docume
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Introducing Linksys SPA9x2 Phones Getting Started For additional documents and tools related to SPA9x2 phones, see linksys.com and its partner sections. For Europe, Middle East and Africa, see linksys-voip.eu (VARs) and linksys-itsp.com (service providers). For troubleshooting information, go to linksys.com and click on Support > Technical Support. Getting Started Before you can configure a SPA9x2 phone, you need to install it by connecting the phone to a network (Ethernet) port. For detailed
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Introducing Linksys SPA9x2 Phones Additional Phone Features SPA Model Voice Lines High-Resolution Graphical Display SPA922 1 Backlit 128 x 64 pixels with screen saver and customizable logo and background picture (128 x 48 pixels available for background picture). SPA 942 4 Backlit 128 x 64 pixels with screen saver and customizable logo and background picture (128 x 48 pixels available for background picture). SPA962 6 Color 320 x 240 pixels with screen saver and customizable logo and backgr
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Introducing Linksys SPA9x2 Phones Additional Phone Features – Switching of lower microphone gain to reduce saturation. – Noise floor estimation using voice activity detection (VAD). • Phone LCD features: – The screen can display the header of the 18X call progress message instead of displaying “Called Party Ringing.” – A screen saver can appear when the phone is in an idle state for a period of time. – A customized service provider logo can be downloaded to display during boot-up. – A custom
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Introducing Linksys SPA9x2 Phones SPA9x2 Phone Configuration Scenarios • Shared Line Appearance – SPA922: Two call appearances – SPA942: Four call appearances – SPA962: Six call appearances • Call Pick Up - Selective and Group • Call Park and UnPark •Music on Hold • Intercom •Group Paging For a list of phone features available to the end user, see the Linksys SPA9x2 Phone User Guide. SPA9x2 Phone Configuration Scenarios You can configure SPA9x2 phones in different ways: • Phones connected dir
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Introducing Linksys SPA9x2 Phones SPA9000 IP PBX System SPA9000 IP PBX System The SPA9000 IP PBX System (VoIP side), along with the SPA400, which is Internet Telephony Gateway, provides for an analog line and voicemail. When you use SPA9x2 phones with the LVS SPA9000 IP PBX system, the following additional phone features are available: • Auto attendant for multiple extensions •Music on hold • Configurable call routing • Multiple DID numbers per VoIP line • Call hunting (sequential, round rob
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Introducing Linksys SPA9x2 Phones SPA9000 IP PBX System PSTN switch UserD 1 to 4 DID lines SPA400 SIP-PSTN UserB Gateway UserA Switch Internet (WAN) Interface SPA9000 SIP Proxy Linksys SPA9x2 Phone Administration Guide Cisco Confidential--First Draft8
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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
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Introducing Linksys SPA9x2 Phones Using SPA9x2 Phones with a Firewall or Router TCP overcomes the problem with UDP ports being blocked by corporate firewalls. With TCP, new ports do not need to be opened or packets dropped, because TCP is already in use for basic activities such as Internet browsing or e-commerce. SIP Proxy Redundancy An average SIP proxy server may handle tens of thousands of subscribers. A backup server allows an active server to be temporarily switched out for maintenance
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Introducing Linksys SPA9x2 Phones Network Address Translation and SPA9x2 Phones If security is not a concern, you can disable stateful packet inspection (SPI) on your firewall (if you have it). SPI allows a firewall to be aware of a packet’s state; only recently-sent requests are allowed into the network. UserC UserB UserA IP Router (firewall) Switch Broadband modem Internet ISP Internet (WAN) Interface SPA9000 ITSP SIP Proxy Network Address Translation and SPA9x2 Phones In a typical applicati
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Introducing Linksys SPA9x2 Phones Network Address Translation and SPA9x2 Phones • ”Session Border Controllers” section on page 12 • ”Simple Traversal of UDP Through NATs (STUN)” section on page 13 • ”SIP-NAT Interoperation” section on page 13 • ”Determining the Type of NAT Used on Your Router” section on page 14 Routers and Service Provider Support of NAT NAT allows multiple devices to share the same public, routable, IP address for establishing connections over the Internet. A router forwards
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Introducing Linksys SPA9x2 Phones Simple Traversal of UDP Through NATs (STUN) Simple Traversal of UDP Through NATs (STUN) Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators (NATs), or STUN, is a protocol defined by RFC 3489 that allows a client behind a NAT device to determine the: • presence and types of NATs and firewalls between them and the public Internet • public IP addresses allocated to them by the NAT • port associations STUN works with many existing
