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Cisco Unified IP Phone 7900 Series

Cisco IP Phones 7970G and 7971G-GE Release Notes for Firmware Release 7.0(3) for Cisco CallManager 3.3, 4.0, and 4.1

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Table Of Contents

Cisco IP Phone 7970G and 7971G-GE Release Notes for Firmware Release 7.0(3) for Cisco CallManager 3.3, 4.0, 4.1

Contents

Related Documentation

Installation Notes

Firmware Information

Supported CallManager Versions

Cisco CallManager Device Packs

Cisco IP Phone Expansion Module 7914

Important Notes

Cisco CallManager Load Server Setting for Firmware Upgrades

Securing the Phone with a Cable Lock

Secure PC Log Off in an 802.1X Network

Caveats

Using Bug Toolkit

Resolved Caveats

Open Caveats

Obtaining Documentation

Cisco.com

Product Documentation DVD

Ordering Documentation

Documentation Feedback

Cisco Product Security Overview

Reporting Security Problems in Cisco Products

Obtaining Technical Assistance

Cisco Technical Support & Documentation Website

Submitting a Service Request

Definitions of Service Request Severity

Obtaining Additional Publications and Information


Cisco IP Phone 7970G and 7971G-GE Release Notes for Firmware Release 7.0(3) for Cisco CallManager 3.3, 4.0, 4.1

February 9, 2006

Use these release notes with the Cisco IP Phone 7970G and 7971G-GE for firmware release 7.0(3) running on Cisco CallManager Versions 3.3(5) SR1, 4.0(2) SR2b, and 4.1(3) SR1.

Contents

These release notes provide the following information. You might need to notify your users about some of the information provided in this document.

•Related Documentation

•Installation Notes

•Important Notes

•Caveats

•Obtaining Documentation

•Documentation Feedback

•Cisco Product Security Overview

•Obtaining Technical Assistance

•Obtaining Additional Publications and Information

Related Documentation

Cisco IP Phone Documentation

Refer to publications that are specific to your language, phone model and Cisco CallManager version. Navigate from the following documentation URL:

http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/index.htm

Cisco CallManager Documentation

Refer to the Cisco CallManager Documentation Guide and other publications specific to your Cisco CallManager version. Navigate from the following URL:

http://www.cisco.com/univercd/cc/td/doc/product/voice/c_callmg/index.htm

Installation Notes

This section contains these topics:

•Firmware Information

•Supported CallManager Versions

•Cisco IP Phone Expansion Module 7914

Firmware Information

The Cisco IP Phone 7970G and 7971G-GE firmware installation program is named cmterm-7970_7971-sccp.7-0-3.exe.

The readme file that contains installation instructions is named cmterm-7970_7971-sccp.7-0-3-readme.htm.

Both files can be downloaded from this location on Cisco.com:

http://www.cisco.com/pcgi-bin/tablebuild.pl/ip-7900ser

Supported CallManager Versions

The Cisco IP Phone 7970G and 7971G-GE firmware release 7.0(3) is supported on these Cisco CallManager versions:

•Cisco CallManager version 3.3(5) SR1 or later

•Cisco CallManager version 4.0(2) SR2b or later

•Cisco CallManager version 4.1(3) SR1 or later

Cisco CallManager Device Packs

You should install the following device packs for these Cisco CallManager versions. You can download the device packs from this location on Cisco.com:

http://www.cisco.com/public/sw-center/sw-voice.shtml

The device pack readme files provide installation information.

Cisco CallManager Version
Device Pack

3.3(5) SR1

ciscocm.3-3-DevPack-64.exe, or later

4.0(2) SR2b

ciscocm.4-0-DevPack-43.exe, or later

4.1(3) SR1

ciscocm.4-1-DevPack-23.exe, or later


Cisco IP Phone Expansion Module 7914

The Cisco IP Phone Expansion Module 7914 is supported on the Cisco IP Phone 7970G and 7971G-GE.

If you are using the Cisco IP Phone Expansion Module 7914, you must upgrade the Expansion Module to firmware release S00104000100. You can download the installation program, which is named cmterm-7914-sccp.4-0-1.exe, and the readme file from Cisco.com at this location:

http://www.cisco.com/pcgi-bin/tablebuild.pl/ip-7900ser

Important Notes

This section contains these topics:

•Cisco CallManager Load Server Setting for Firmware Upgrades

•Securing the Phone with a Cable Lock

•Secure PC Log Off in an 802.1X Network

Cisco CallManager Load Server Setting for Firmware Upgrades

A setting that optimizes installation time for phone firmware upgrades is available in Cisco CallManager Administration.

Note The setting is intended for future use, and is not yet a supported feature.

To view the load server setting, you must install the latest Cisco CallManager Device Pack (see the "Cisco CallManager Device Packs" section).

The Load Server setting is visible on the Phone Configuration page (Product Specific Configuration section) in the Cisco CallManager Administration application. This setting lets you specify another TFTP server IP address or name (other than the TFTP Server 1 or TFTP Server 2) from which the phone firmware can be retrieved for upgrades on the phones. When the Load Server is set, the phone contacts the designated server for the firmware upgrade.

Note•If the firmware load is not found on the Load Server, the phone does not upgrade and is not redirected to the TFTP Server 1 or TFTP Server 2.

•On a factory reset or during a software recovery operation, the phone may fall back to using TFTP Server 1 or TFTP Server 2 to recover the phone load. In these scenarios, the phone will recover the phone load either via the term70.default.loads or term71.default.loads file, or it will attempt to recover the phone load based on its load.hist file.

•If the phone is auto-registering with Cisco CallManager for the first time, the phone will request the phone load via TFTP Server 1 or TFTP Server 2. This will only occur once when the phone is first installed into the system. This can be mitigated by preloading the phones with the correct firmware so that no firmware upgrade is required in combination with the auto-registration, or by auto-registering the phones at the main site prior to deployment at a remote site.

You can view the Load Server setting on the phone from Settings > Device Configuration > Network Configuration > Load Server. If the value in the Load Server setting is invalid, a "Load Server is invalid" message is displayed on the phone in Settings > Status > Status Messages.

Securing the Phone with a Cable Lock

You can secure the Cisco IP Phone 7970G and 7971G-GE to a desktop using a laptop cable lock. The lock connects to the security slot on the back of the phone and the cable can be secured to a desktop.

The security slot can accommodate a lock up to 20 mm. Compatible laptop cable locks include the Kensington® laptop cable lock and laptop cable locks from other manufacturers that can fit into the security slot on the back of the phone.

Secure PC Log Off in an 802.1X Network

Firmware release 7.0(3) provides support for a Cisco IP Phone 7970G or 7971G-GE to monitor IEEE 802.1X messages between an authenticating switch and a connected PC (supplicant).

When a PC is disconnected from the Cisco IP Phone, the phone issues an EAPOL-Logoff message on behalf of the PC to the authenticating switch. The proxy EAPOL-Logoff message causes the authenticating switch to set the port to an unauthenticated state.

If you have an 802.1X network and upgrade to Cisco IP Phone firmware release 7.0(2) or greater, be aware that you must re-authenticate a PC that is connected to a Cisco IP Phone 7970G and 7971G-GE.

For more information about 802.1X re-authentication, refer to the Cisco Catalyst switch configuration guides at:

http://www.cisco.com/en/US/products/hw/switches/tsd_products_support_category_home.html

Caveats

This section contains these topics:

•Using Bug Toolkit

•Resolved Caveats

•Open Caveats

Using Bug Toolkit

These release notes contain descriptions of resolved and open caveats of severity level 1 or 2, and significant severity level 3 caveats.

You can get more information about the caveats in these release notes or search for caveats of any severity level by using the Cisco software called Bug Toolkit.

To access Bug Toolkit, you need a Cisco.com user ID and password.

To use Bug Toolkit, follow these steps:

Procedure

Step 1 Go to http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl.

Step 2 Log on with your Cisco.com user ID and password.

Step 3 Click the Launch Bug Toolkit hyperlink.

Step 4 To look for information about a specific problem, enter the bug ID number in the "Enter known bug ID" field and click Search.

Resolved Caveats

Table 1 lists severity 1, 2, and 3 defects that are resolved in firmware release 7.0(3) for the Cisco IP Phone 7970G and 7971G-GE.

Table 1 Resolved Caveats 

Identifier
Summary and Bug Toolkit Link

CSCsb13507

Domain Name field under Network Configuration menu can not be removed.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb13507

CSCsb13552

The phone does not remove the default router configuration.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb13552

CSCsb30771

Phone crashes when sending a fragmented ICMP packet.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb30771

CSCsb32965

Phone UI locks after pressing Directory button.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb32965

CSCsb40300

Phone doesn't register when unable to resolve the Cisco CallManager name.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb40300

CSCsb42411

After a power outage, the phone is stuck at "Configuring IP".

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb42411

CSCsb44304

There is a race condition in CNU sockets when the same socket is accessed by multiple threads in the same process.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb44304

CSCsb47829

Phone still downloads files after a DHCP release.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb47829

CSCsb50077

After erase or reset, the phone sticks at "Configuring IP" and shows Cisco logo.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb50077

CSCsb54419

LED does not blink red while the DCP is busy.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb54419

CSCsb60547

Assigning same IP port to RX and TX socket causes one-way audio.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb60547

CSCsb60762

Phone doesn't play Zip/ZipZip Tones toward network.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb60762

CSCsb61918

When the spanPCPort is enabled and the pcPort is disabled, the pcPort still displays messages.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb61918

CSCsb62087

Phone is stuck in a reboot loop.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb62087

CSCsb66459

SIP TNP: DSP debug seen when pressing Settings, Directories, or Services.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb66459

CSCsb66487

The phone is requesting a CTL file from a TFTP server that does not exist in the current CTL file on the phone.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb66487

CSCsb67660

File system formats on reset from Cisco CallManager.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb67660

CSCsb68597

Phone receives mcast pkts when port open for Mcast transmit.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb68597

CSCsb68914

Error Verifying Config Info after LSC install on secure phone.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb68914

CSCsb70143

If a DNS lookup fails because an FQDN was mis-configured, the code will still send out a message to IP address 0.0.0.0.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb70143

CSCsb75176

Phone displays wrong message when registration is rejected for security reason.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb75176

CSCsb77225

Phone is stuck at "Configuring IP" on the screen.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb77225

CSCsb85540

Ethernet Disconnected message does not appear when Ethernet unplugged.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb85540

CSCsb87704

The syslogd does not write the log files in proper order.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb87704

CSCsb88142

After setting DHCP = No and attempting to set the TFTP2 address to 0.0.0.0, the phone stops sending packets.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb88142

CSCsb88986

Phone crashes due to buffer handling in net_input().

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb88986

CSCsb93321

Race condition in __shutdown() function causes BugTrap.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb93321

CSCsc03743

Presence BLF lamp is not being displayed correctly on the phone.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc03743

CSCsc08584

Calls drop during Cisco CallManager Express failback.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc08584

CSCsc24668

cBarge Target phone changes focus when other party cBarges.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc24668

CSCsc27685

If fragmented IP packets are received on the phone, they are not reassembled to provide a complete message to the User Datagram Protocol (UDP) layer.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc27685

CSCsc30810

Problems when filename length == NAME_MAX.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc30810

CSCsc31606

Pressing the "." soft key in the edit menu doesn't force Kate String T/O.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc31606

CSCsc36213

Clicking noise is heard in encrypted call when duplicating packets.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc36213

CSCsc36645

Phone does not boot up and the line buttons continuously flash red.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc36645

CSCsc39509

Call bubble does not disappear when there is no active call.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc39509

CSCsc40627

High End Phones connect to CCM sub that is not present in the CTL file.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc40627

CSCsc43827

InsideDialTone could not be stopped after removing CFwdAll.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc43827

CSCsc58105

Phone reboots when secondary Cisco CallManager Express is inaccessible and keepalive is 10.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc58105

CSCsc65503

SIP Phone does not do a TLS session reuse after network failure.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc65503

CSCsc70929

When phones are upgraded to use Cisco CallManager development version 50-205 they got stuck in a reboot loop.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc70929

CSCsc76402

RMS Store must be deleted in order for phone to boot correctly.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc76402

CSCsc91001

Answer softkey is not displayed for a new incoming call.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc91001

CSCsc72223

Phone stuck after erase under Settings menu.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc72223

CSCsd11037

Two (2) meg file limit cause double boot when upgrading to 8.0 load.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd11037

CSCeb52862

No value for some items on Device Information page.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCeb52862

CSCsa94528

Cancel softkey has delayed response when looking up a bogus DNS address.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsa94528

CSCsb54991

7970/7971 Touch Screen issue: Phone URL shows Delay.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb54991

CSCsb72254

Corporate directory search fails if username contains special characters.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb72254

CSCsb56740

Background Image thumbnails not displayed in correct order.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb56740

CSCsc28515

Services page text does not display properly.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc28515

CSCsd23065

Display distorts, when held calls goes from three to two.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd23065

CSCsb40406

Phone resets randomly.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsb40406


Open Caveats

Table 2 lists severity 1, 2, and 3 caveats that are known to exist in firmware release 7.0(3) for the Cisco IP Phone 7970G and 7971G-GE.

Table 2 Open Caveats 

Identifier
Summary and Bug Toolkit Link

CSCsd09502

Phone does not send DHCP traffic to PC port.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd09502

CSCsd09043

Two concurrent XML posts result in Error 0 or Error 6.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd09043

CSCsc23475

Delayed audio connection on phone with Cisco CallManager Express.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc23475

CSCsc85517

Phone does not use DNS cache properly on subnet without a domain.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc85517

CSCsc91398

Performs unneeded ARP when Garp enabled.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc91398

CSCsc67938

Phone sends bad HTTP request to Cisco CallManager.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc67938

CSCsc97119

Phone is not resetting after Extension Mobility logout.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc97119

CSCsd09298

Phone is unable to disable the PC Port permanently.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd09298

CSCsc99161

Phone does not go offhook except via softkey.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsc99161

CSCsd09123

Phone displays time in GMT instead of GMT-4 when set to Carcas.

http://www.cisco.com/pcgi-bin/Support/Bugtool/onebug.pl?bugid=CSCsd09123


Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

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You can access the Cisco website at this URL:

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You can access international Cisco websites at this URL:

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The Product Documentation DVD is available as a single unit or as a subscription. Registered Cisco.com users (Cisco direct customers) can order a Product Documentation DVD (product number DOC-DOCDVD= or DOC-DOCDVD=SUB) from Cisco Marketplace at this URL:

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Nonregistered Cisco.com users can order technical documentation from 8:00 a.m. to 5:00 p.m. (0800 to 1700) PDT by calling 1 866 463-3487 in the United States and Canada, or elsewhere by calling 011 408 519-5055. You can also order documentation by e-mail at tech-doc-store-mkpl@external.cisco.com or by fax at 1 408 519-5001 in the United States and Canada, or elsewhere at 011 408 519-5001.

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Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

From this site, you will find information about how to:

•Report security vulnerabilities in Cisco products.

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•Register to receive security information from Cisco.

A current list of security advisories, security notices, and security responses for Cisco products is available at this URL:

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To see security advisories, security notices, and security responses as they are updated in real time, you can subscribe to the Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed. Information about how to subscribe to the PSIRT RSS feed is found at this URL:

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Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you have identified a vulnerability in a Cisco product, contact PSIRT:

•For Emergencies only — security-alert@cisco.com

An emergency is either a condition in which a system is under active attack or a condition for which a severe and urgent security vulnerability should be reported. All other conditions are considered nonemergencies.

•For Nonemergencies — psirt@cisco.com

In an emergency, you can also reach PSIRT by telephone:

•1 877 228-7302

•1 408 525-6532

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product (for example, GnuPG) to encrypt any sensitive information that you send to Cisco. PSIRT can work with information that has been encrypted with PGP versions 2.x through 9.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

The link on this page has the current PGP key ID in use.

If you do not have or use PGP, contact PSIRT at the aforementioned e-mail addresses or phone numbers before sending any sensitive material to find other means of encrypting the data.

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Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting a web or phone request for service. You can access the CPI tool from the Cisco Technical Support & Documentation website by clicking the Tools & Resources link under Documentation & Tools. Choose Cisco Product Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

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For S1 or S2 service requests, or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

To open a service request by telephone, use one of the following numbers:

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EMEA: +32 2 704 55 55
USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

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Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—An existing network is down, or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operations are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance of the network is impaired, while most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

•The Cisco Product Quick Reference Guide is a handy, compact reference tool that includes brief product overviews, key features, sample part numbers, and abbreviated technical specifications for many Cisco products that are sold through channel partners. It is updated twice a year and includes the latest Cisco offerings. To order and find out more about the Cisco Product Quick Reference Guide, go to this URL:

http://www.cisco.com/go/guide

•Cisco Marketplace provides a variety of Cisco books, reference guides, documentation, and logo merchandise. Visit Cisco Marketplace, the company store, at this URL:

http://www.cisco.com/go/marketplace/

•Cisco Press publishes a wide range of general networking, training and certification titles. Both new and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

•Packet magazine is the Cisco Systems technical user magazine for maximizing Internet and networking investments. Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

•Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

•Networking products offered by Cisco Systems, as well as customer support services, can be obtained at this URL:

http://www.cisco.com/en/US/products/index.html

•Networking Professionals Connection is an interactive website for networking professionals to share questions, suggestions, and information about networking products and technologies with Cisco experts and other networking professionals. Join a discussion at this URL:

http://www.cisco.com/discuss/networking

•World-class networking training is available from Cisco. You can view current offerings at this URL:

http://www.cisco.com/en/US/learning/index.html

Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.

© 2006 Cisco Systems, Inc. All rights reserved.