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Linksys SPA941 Administration Manual

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See also: Administrator's Manual , Configuration Manual
DRAFT
Linksys, Inc.
SPA941 Administration Guide
October 2005
Version 0.1 (DRAFT)
© 2003 - 2005 Linksys, a Division of Cisco Systems
Proprietary (See Copyright Notice on Page 2)
1

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Summary of Contents for Linksys SPA941

  • Page 1 DRAFT Linksys, Inc. SPA941 Administration Guide October 2005 Version 0.1 (DRAFT) © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 2: Please Note

    These changes may involve changes to the described solutions over time. Use of Proprietary Information and Copyright Notice: This document contains proprietary information that is to be used only by Linksys customers. Any unauthorized disclosure, copying, distribution, or use of this information is prohibited.

  • Page 3: Table Of Contents

    Line Key LED Behavior..........................21 Other Supplementary Services........................ 22 Block Caller ID............................22 Block Anonymous Call ..........................22 Do Not Disturb (DND)..........................22 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 4 Codec Name Assignment......................... 36 Voice Algorithms: ............................. 37 G.711 (A-law and mµ-law) ........................37 G.726 ..............................37 G.729A..............................37 G.723.1 ..............................37 Codec Selection ............................37 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 5 SPA941 CONFIGURATION PARAMETERS ..................44 Notations..............................45 Data Types ..............................45 System Parameters........................... 51 System Configuration .......................... 51 Network Configuration ......................... 51 Provisioning Parameters.......................... 52 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 6 CUSTOMER SUPPORT METHODS ....................91 CARE FOR THE SPA941 PHONE..................... 92 Do not expose the phone to heat, sun, cold, water................92 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 7 DRAFT Cleaning the phone..........................92 ACRONYMS............................93 GLOSSARY............................94 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 8: How To Use This Document

    • Provisioning The SPA941 User Guide provides more details on how to use the phone’s features via the phone’s physical interfaces, including the softkeys, display menus, the key pad, and dedicated buttons. The Administrative Guide is helpful for network administrators that need detailed information on how to configure the phone from the phone’s Web Server, or need access to the phone’s troubleshooting and...
  • Page 9 (iii) misuse, abuse, abnormal conditions or alteration by anyone other than Linksys. Replacement, Repair, Refund: After the receipt of an RMA (Return Materials Authorization) request, Linksys will attempt to refund, repair or replace this device. To receive an RMA number for this device, contact the party from whom it.

  • Page 10: Network And Service Configuration Settings

    • SPA941 Overview The SPA941 is a SIP based IP telephone offered by Linksys, a division of Cisco Systems. The SPA941 supports up to four phones lines of operation. It has a pixel-based display and a graphical user interface that provides access to the phone’s functions and features.

  • Page 11: Spa941 Hardware Features

    Dedicated Illuminated Buttons for: Audio Mute On/Off Headset On/Off Speakerphone On/Off • Four Soft Key Buttons • Four Way Rocking Direction Knob for Menu Navigation © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 12: Spa941 Functionalities

    • Up to Four Call Appearances with Independent Configuration and Registration The SPA941 ships with two line appearances enabled. A two line upgrade is available via a software license key installed locally using the SPA941 web interface, or installed remotely via a secure profile update.

  • Page 13: Navigating The Spa941 Gui

    ** Feature requires support by call server Navigating the SPA941 Graphical User Interface Note: Although this guide provides an overview of how to navigate the SPA941 Graphical User Interface (GUI), its primary focus is to describe the administrative functions available via the phone’s web interface.

  • Page 14: Definitions For The Four Call Appearances

    Call Appearance: Physically a call appearance corresponds to a Line Key on a station. There are four Line Keys on the SPA941, which are referred to as Line Keys 1, 2, 3, and 4, or, L1, L2, L3, and L4 respectively). Functionally, a call appearance is an instance of an extension. If an extension is assigned to Line Keys on multiple stations, it is a Shared Line Appearance.

  • Page 15: Call Features

    Standby (Call) State: the state is Ringing or Holding. When the state of the Call is Standby, it is referred to as a Standby Call • Key: Any one of the keys on the SPA941 keypad. A Key has two states: down (when pressed), and up (when released) •...

  • Page 16: Making Calls

    Exception: When a new call appearance is selected automatically when the user presses the conf soft key or the xfer soft key, the SPA941 will attempt to pick an idle call appearance that is on the same Extension as the last active call. If that call appearance is not available, the SPA941 attempts to pick one whose Extension has the same Proxy server as the last active call.

  • Page 17: Answering Calls

    A line key LED rapidly blinks red when a call is incoming. The user can answer the call by: • Selecting an audio device. The SPA941 will answer the ringing call. If there are simultaneous incoming calls, the call ringing on the lowest numbered line key is answered. •...

  • Page 18: Three Way Conference

    Once the conference starts, the SPA941 plays a special brief tone to all three parties to indicate that a conference call is in progress. The initiator of the conference call can terminate it at any time by hanging up.

  • Page 19: Blind Call Transfer

    To activate this service, the user selects a Line key and enters *66 (Call back activation code). The SPA941 then uses this call appearance to call the last called number. The retry period and expiration time are configurable. To cancel the service, the user picks up any line and enter *86. When call back service is active, the corresponding Line key will blink in green.

  • Page 20: Message Waiting Indication (Mwi)

    Accessing Voice Mail The SPA941 has a VM retrieval key for quick access to voice mail. If a voice mail access number or URL is not specified, pressing the key brings up a screen where the user can enter the appropriate information.

  • Page 21: Line Key Led Behavior

    Call Back: A call back (repeat dialing) operation is currently active on this call appearance The Line Key LED supports 4 colors: Red (r), Green (g), Amber (a), and Off (o). The SPA941 has 4 built- in blinking patterns defined: •...

  • Page 22: Other Supplementary Services

    Block Caller ID If enabled, the SPA941 will attempt to hide the caller-ID on all outbound calls by default. The user can also enable or disable this feature on a per call basis by pre dialing a *code before making the call.

  • Page 23: User Interface

    Number from its Mini-Certificate does not agree with the user-id used in making the outbound call: the caller’s SPA will perform this check after receiving the callee’s Mini-Certificate. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 24: Service Provider Requirements

    SIP INFO requests/responses, the service provider must maker sure that their infrastructure will allow the SIP INFO messages to pass through with the message body unmodified. Linksys provides a configuration tool called gen_mc for the generation of MC and private keys with the following syntax: gen_mc <ca-key>...

  • Page 25: Memory Features And Other User Accessible Settings

    Save a log entry into Personal Directory (if the directory is not already full) 1. High light the entry 2. Press SK(save) 3. Modify the entry as needed © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 26: Personal Directory

    Ring Tone Up to 100 entries can be stored in the SPA941. An entry can be added or edited from the phone GUI or on the web page or through remote provisioning. To do this from the web page or through remote provisioning, you specify the value as a DirEntry script.

  • Page 27: Entering And Saving Settings

    SK(save). Then edit the entry if needed, and then press SK(save) to save the new entry in the directory. Entering and Saving Settings The SPA941 GUI allows the user to enter alphanumeric and numeric inputs will ease. The following data types may be entered into the phone: •...

  • Page 28: Preferences

    If input value is wider than what the LCD display can show, the SPA941 automatically scroll the input to the left so that the user can continue to enter input. On the other hand, the SPA941 will stop accepting further input for a give field if the maximum allowed input length has been reached for that input field.

  • Page 29: Caller And Called Name Matching

    For incoming calls, SPA941 will try to find the caller’s phone number in the personal directory. If a match is found and the name field is present in the matched entry, it will replace the current caller ID name and will be shown on the call screen as the calling peer’s name.

  • Page 30: Daylight Saving Time

    Daylight Saving Time The SPA941 supports auto adjustment for daylight saving time. To enable this feature, the administrator must configure the <Daylight Saving Time Rule> (regional) parameter. This parameter is a rule with three (3) fields. Each field is separated by semicolon (;) as shown below: start=<start-time>;end=<end-time>;save=<save-time>...

  • Page 31: Checking Phone Status

    Factory reset will reset all parameters to default value. Personal directory and call logs will be cleared also. This option require the user to confirm before proceeding. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 32: Password Protection

    Call Progress Tone Volume (setting the ToneScript for each tone) Ring Tone The SPA941 offers 10 ring tones. The characteristics of each ring tone is configurable using a RingScript (see Section 3). In a RingTone script, the user can assign a name for the ring tone, and specifies 2 components for it: ©...

  • Page 33: Star Code To Activate/Deactivate Certain Services

    Star Code to Activate/Deactivate Certain Services THE SPA941 accepts star codes to activate or deactivate certain services on the phone. Below is a list of services that are accessible with a star code, with the default star code shown in parenthesis: •...
  • Page 34 Force G711a (*027111) – Force to use G711a for next outbound call • Force G723 (*02723) – Force to use G723 for next outbound call © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 35: Disabling Services

    Secure Call (including enabling and disabling, per call and always) Call Forward All Call Forward Busy Call Forward No Answer Call Back Conference Call (no star code) © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 36: Voice And Signaling Features

    Services that can be disabled (or enabled) by method (b) are any of the services that have a star code assignment in the SPA941 configuration profile (see Section 21 on a complete list). Note that if service is enabled, but the corresponding *code is emptied, the service can still be enabled/disabled by the end- user from the phone GUI or web page.

  • Page 37: Voice Algorithms

    10 ms voice frames per packet. This codec provides the high voice quality. G.729A The ITU G.729 voice coding algorithm is used to compress digitized speech. Linksys supports G.729. G.729A is a reduced complexity version of G.729. It requires about half the processing power to code G.729.

  • Page 38: Dtmf: In-Band & Out-Of-Band (Rfc 2833) (Sip Info *)

    • Long timeout (L) = one or more digits pressed, more digits needed to reach a valid number (as per the dial plan). © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 39 Short timeout (S) = current dialed number is valid, but more digits would also lead to a valid number. Please see Section 10 for complete Dial Plan implementation details. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 40: Network Address Translation (Nat) Traversal

    DRAFT Network Address Translation (NAT) Traversal The SPA941 supports NAT traversal for VoIP signaling and media packets. This section overviews the basics around NAT. The SPA941 NAT features are reviewed in the configuration section. Why NAT? A NAT allows multiple devices to share the same external IP address to access the resources on the external network.

  • Page 41: Data Networking Features Supported

    Note: NAT Mapping does not have to applied globally on the phone. It can be enabled or disabled per Extension. Some service providers offer their own solution of NAT traversal; NAT mapping should be disabled on the SPA941 for extensions configured for these service providers. • Data Networking Features Supported The SPA941 supports the following Data Networking Features: ©...

  • Page 42: Mac Address (Ieee 802.3)

    RTCP – Real Time Control Protocol (RFC 1889) SRTP - Secure Real Time Control Protocol (RFC XXXX) • Configuring and Provisioning Overview The SPA941 requires the administrator to ensure that two files are loaded correctly onto the device. These files are: •...

  • Page 43: Web Interface Conventions

    To access the User level privilege, use URL: http://IP_Address_Of_SPA/. If the password has been set for User, the browser will prompt for User authentication. The username for User is “user” and cannot be changed. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 44: Web Interface Basic And Advanced Views

    • SPA941 Configuration Parameters This section tabulates all the SPA941 parameters. The parameters can be configured in 2 ways: a) phone configuration web page, and b) remote provisioning. In addition, a small subset of “user options” can be set via the phone’s GUI under various setup menus.

  • Page 45: Notations

    PwrLevel – Power level expressed in dBm with 1 decimal place, such as –13.5 or 1.5 (dBm) Bool: Boolean value of either “yes” or “no” © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 46 Port – TCP/UDP Port number (0-65535). It can be specified in decimal of hex format. UserID – User ID as appeared in a URL; up to 63 characters FQDN – Fully Qualified Domain Name, such as “sip.linksys.com:5060”, or “109.12.14.12:12345”. It can contain up to 63 characters Phone –...
  • Page 47 Cadence Section 2: Section Length = 10s Number of Segments = 1 Segment 1: On=forever, with Frequencies 1 and 2 Total Tone Length = 12s © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 48 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 49 Example 4: c=a;p=ud;u=.1/.1/.1/.1/.1/.9 Color is amber and blink with the pattern (100ms on, 100ms off, 100ms on, 100ms off, 100ms on, 900ms off). © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 50 DialPlanScript – Scripting syntax used to specify line 1 and line 2 dial plans. Refer to the dial plan section of this document for an explanation. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 51: System Parameters

    DHCP is enabled. Manual: Use statically configured DNS servers if there is any; otherwise, use the ones supplied by DHCP server. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 52: Provisioning Parameters

    Enables resync of configuration profile from a Bool SIP command Resync After Upgrade Attempt Whether or not to resync following an upgrade Bool © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 53 Syslog message generated after a failed upgrade UpgradeMsg provisioning discussion section License Keys Premium features license keys. The key need only String empty be entered once. (write-only parameter) © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 54: Sip Parameters

    – (2 – 1) ReINVITE Expires ReINVITE request Expires header value in sec. 0 = Time0 do not include Expires header in the request. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 55 RTCP Tx Interval Controls the interval (sec) to send out RTCP Time0 sender report on an active connection. Range: 0 – 255 (s) © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 56 For inbound calls with a SDP offer, SPA will follow the caller’s dynamic payload type assignments SDP Audio Codec Names Parameter Name Description Type Default NSE Codec name used in SDP Str31 NSE CODEC NAME © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 57 STUN server. The result of the discovery will be reported in a Warning header in all subsequent REGISTER requests – © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 58 SPA to preserve a NAT mapping. It controls the interval for sending keep alive messages for the SIP signaling ports and also for the RTP ports. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 59: Regional Parameters

    19;2(.1/.1/1+2);10(*/0/ subscriber’s mail box 1+2) Cfwd Dial Tone Special dial tone played when call forward all is ToneScript 350@-19,440@- © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 60 Interval between VMWI refresh to the CPE Time3 Interdigit Long Timer Long timeout between entering digits when dialing. Time0 Range: 0 – 64 sec © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 61 Interdigit_Short_Timer is used after any one digit, if at least one matching sequence is complete as dialed, but more dialed digits would match other as yet incomplete sequences. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 62 (which is checked according to dial plan as in normal dialing). When a complete number is entered, the SPA sends a blind REFER to © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 63 `x` = No tones are place, x is any digit not used above If no tone parameter is specified, the SPA plays Prompt tone by default. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 64 *73. Notes: 1. These codes automatically appended to the dial-plan. It is therefore not necessary to explicitly include them in dial-plan. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 65 Setting the local date; year is optional and can be Str10 (mm/dd/yyyy) 2-digit or 4-digit Set Local Time Setting the local time; second is optional. Str8 (HH/mm/ss) © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 66: Phone Parameters

    To set the text logo to display when the phone boots up. Default Str32 is (blank) which will show "Linksys". Up to 2 lines of text can be setup; each line should contain less than 32 characters. A newline character (\n) must be inserted between the 2 lines and escaped with %0a.
  • Page 67 LED pattern during the Remote Held state, where another station LedScript has placed this call appearance on hold. Not applicable if the call © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 68 Ring tone script for Ring 8 RingScript n=Simple-4;w=2;c=4 Ring 9 Ring tone script for Ring 9 RingScript n=Simple-5;w=2;c=5 Ring 10 Ring tone script for Ring 10 RingScript n=THx;w=4;c=7 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 69: Extension 1 - 4 Parameters

    <Share Call Appearance> for that call appearance. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 70 66.12.123.15:5061. Note: When only a user-id is given, the current proxy or outbound proxy will be contacted as in the making of a © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 71 <Register> is “no”. Range: 0 – (2 – 1) sec Use DNS SRV Whether to use DNS SRV lookup for Proxy and Bool Outbound Proxy © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 72 Select a preferred codec for all calls. However, the actual Choice G711u codec used in a call still depends on the outcome of the codec negotiation protocol.G711u, G711a, G726-16, G726- © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 73 DialPlanScript See below DIAL PLAN Enable IP Dialing Bool ENABLE IP DIALING See the previous section for explanation of Dial Plan Script syntax. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 74: User Parameters

    Forward number for Call Forward No Answer Service Phone Cfwd No Ans Delay Delay in sec before Call Forward No Answer triggers Uns8 Speed Dial Parameter Name Description Type Default © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 75: Info Parameters (Read Only)

    Current Network Mask Current Gateway Current Gateway Primary DNS Primary DNS server Secondary DNS Secondary DNS servers Product Information Product Name Production Name: SPA941 © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 76 Number of RTP packets received Bytes Sent Number of RTP bytes sent Bytes Recv Number of RTP bytes received Decode Latency Decoder latency in milliseconds © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 77: Dial Plan

    The Interdigit_Long_Timer specifies the default maximum time (in seconds) allowed between dialed digits, when no candidate digit sequence is as yet complete (see discussion of Dial_Plan parameter for an explanation of candidate digit sequences). © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 78 The timeout duration depends on the matching state. If no candidate sequences are as yet complete (as dialed), the Interdigit_Long_Timeout applies. If a candidate sequence is complete, but there exists one or more incomplete candidates, then the Interdigit_Short_Timeout applies. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 79 The syntax for long timer override is: ‘L’ delay-value ‘ ‘. Note the terminating space character. The specified delay-value is measured in seconds. Similarly, to change the short timer override, use: ‘S’ delay-value <space>. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 80 The following allows only US-style 1 + area-code + local-number, but disallows area codes and local numbers starting with 0 or 1. It also allows 411, 911, and operator calls (0). © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 81: Provisioning Overview

    Provisioning Capabilities The SPA941 provides for secure provisioning and remote upgrades. The following provides an overview of the basic functionality and requirements for provisioning IP telephones: © 2003 - 2005 Linksys, a Division of Cisco Systems...

  • Page 82: Configuration Profile

    Configuration Profile The SPA941 configuration profile can take one of two forms: a compact binary file, or an XML text file. By convention, the profile is named with the extension “.cfg” (e.g. spa941.cfg). In the case of a binary profile, the Linksys Profile Compiler tool (SPC) is provided by Linksys for compiling a plain-text file containing parameter-value pairs into a properly formatted (and optionally encrypted) CFG file.
  • Page 83 If no quoted value is specified for a parameter (or if a parameter specification is missing entirely from the source plain-text file) the value of the parameter will remain unchanged in the SPA941 when the SPA941 resyncs to the compiled binary profile.

  • Page 84: Provisioning Flow

    URL of the phone’s profile. For example: Profile_Rule “http://prov.voip.one.com/spa941/profile/$MA.cfg” ; Here, the macro variable $MA expands to the MAC address of each specific SPA941 (e.g. $MA.cfg would expand to 000e08dabcde.cfg for a unit with that MAC address). Provisioning Proper Once the SPA941 is pre-provisioned it will resync periodically to the specified profile URL, maintaining its internal configuration synchronized with the provisioning server.

  • Page 85: Firmware Upgrade

    Upgrade_Rule “http://prov.service.com/spa941/spa941-00-09-01.bin” ; Using the above strategy, the SPA941 might attempt to upgrade again if it is redirected to a different file (for example, if the DNS entries change and the server name resolves to a new IP address). To prevent spurious upgrades, it is better to condition the upgrade on a specific target firmware version number.

  • Page 86: Premium Features

    DRAFT Premium Features Premium functionality in the SPA941 is enabled via license keys, that can be obtained from Linksys. Specifically, the 4 independently configurable extension capability can be enabled with such a key. This is an “upgrade” from the 2 independently configurable extension capability that comes with the default SPA941.

  • Page 87: Reboot Url

    Total number of RTP packets received (including redundant packets) RTP Bytes Sent Total number of RTP bytes sent RTP Bytes Received Total number of RTP bytes received © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 88: Report Generation And Event Logging

    The SPA reports a variety of status and error reports to assist service providers to diagnose problems and evaluate the performance of their services. The information can be queried by an authorized agent (using © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 89: Error And Log Reporting

    Step 2 - Check the Wall socket and confirm that AC power is available. Try plugging another electrical device into the socket to confirm power. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 90: Phone Will Not Make Or Receive Calls

    Extension 1 of the phone. The screen should display “E1 Registered” and other information in the format provided below. There may be a problem and the screen will display “Not Registered”. This diagram needs to be updated to reflect the SPA941 user interface. E1 Registered...

  • Page 91: Calls With Poor Voice Quality

    Linksys IP Telephone and other Linksys VoIP products. Please see the SPA941 User Guide for information about the configuration and settings that a typical end user will encounter. The SPA941 User Guide can be found on the Linksys web site. See the “Support” tab at http://www.linksys.com/ ©...

  • Page 92: Care For The Spa941 Phone

    Do not expose the phone to heat, sun, cold, water. The SPA941 phone is an electronic device and should not be exposed to heat, sun, cold or water. A rule of thumb is that if its too hot or cold for you to be comfortable, its not a good place for the phone either.

  • Page 93: Acronyms

    IP Telephony Service Provider Interactive Voice Response Local Area Network Low Bit Rate LBRC Low Bit Rate Codec Mini-Certificate MGCP Media Gateway Control Protocol © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

  • Page 94: Glossary

    Area Code: A Three digit code used in North America to identify a specific geographic telephone location. The first digit can be any number between 2 and 9. The second and third digits can be any number. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 95 Enhanced Service: Services that are provided in addition to basic long distance and accessed by way of a touchtone phone through a series of menus. • Exchange Code (NXX): The first three digits of a phone number. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)
  • Page 96 PC, or information device. • Voice Mail: A system that allows storage and retrieval of voice messages through voicemail boxes. © 2003 - 2005 Linksys, a Division of Cisco Systems Proprietary (See Copyright Notice on Page 2)

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