Table Of Contents
Release Notes for Cisco Unity Release 2.4(6.126)ML
Contents
Requirements
Changed Cisco Unity Functionality
Changed Settings—Release 2.4(6.126)
Maximum Number of Users for Two-Port Keyless Demonstration System
Downloading Cisco Unity 2.4(6.126)ML from the Web
Installing Cisco Unity 2.4(6.126)ML
Qualified Product Combinations for the AV-Cisco TSP
Caveats
Open Caveats
Resolved Caveats
Documentation Update
Omission
Converting a Cisco Unity Demonstration System to a Standard System
Related Documentation
Obtaining Technical Assistance
Cisco.com
Technical Assistance Center
Contacting TAC by Using the Cisco TAC Website
Contacting TAC by Telephone
Release Notes for Cisco Unity Release 2.4(6.126)ML
July 20, 2001
These release notes contain changed functionality, installation instructions, and open and resolved caveats for Cisco Unity™ Release 2.4(6.126)ML.
The "ML" in the version number refers to the multilingual version of the Cisco Unity 2.4(6.126) release. There is also a Cisco Unity Release 2.4(6.126)ENU; the "ENU" in the version number refers to the English-only version of the 2.4(6.126) release. Both versions have exactly the same features and have exactly the same code. The only differences between the two are in the installation requirements and in the installation instructions.
Access the latest software upgrades for Cisco Unity at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
Contents
•
Requirements
•Changed Cisco Unity Functionality
•Downloading Cisco Unity 2.4(6.126)ML from the Web
•Installing Cisco Unity 2.4(6.126)ML
•Qualified Product Combinations for the AV-Cisco TSP
•Caveats
•Documentation Update
•Related Documentation
•Obtaining Technical Assistance
Requirements
•To install and run Cisco Unity 2.4(6.126), you must install Microsoft® Exchange 5.5 Service Pack 4. You can download Exchange 5.5 Service Pack 4 from the Microsoft website http://www.microsoft.com/exchange/downloads/sp4.htm. Download only SP4_550I.exe, Core Server Netsetup.
Caution After you install Service Pack 4, exit the Cisco
Unity software and restart the server, or subsequent installation procedures will fail.
•The system must not be running any OEM version of Cisco Unity.
•If you are integrating Cisco Unity with Cisco CallManager, you must upgrade the AV-Cisco TAPI service provider (TSP) to version 1.0(0.32). Refer to the file AvCiscoTSP1.0.0.32.Readme.pdf at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
•The system must be running Cisco Unity version 2.3.4.104 or later.
Changed Cisco Unity Functionality
Changed Settings—Release 2.4(6.126)
Maximum Number of Users for Two-Port Keyless Demonstration System
The maximum number of users has been changed for the two-port keyless Cisco Unity demonstration system. The demonstration system allows five simultaneous users for each of the following features:
•Voice mail
•Fax mail
•Text to speech
•ViewMail® for Microsoft Outlook®
•Cisco Unity ActiveAssistant®
Downloading Cisco Unity 2.4(6.126)ML from the Web
Use a computer with a high-speed Internet connection to download the self-extracting executable files from the Cisco Software Center.
You can install the Cisco Unity 2.4(6.126)ML release files either from the hard disk on the Cisco Unity server or from compact discs that you create on a computer with a read/write CD-ROM drive.
There are three files. You need to download only the files that contain the features you are using:
CiscoUnity2.4.6.126.ML.CD1.exe (Disc 1)
The Disc 1 file includes Cisco Unity software and the following languages:
•DEU - German
•ENA - English Australian
•ENG - English Great Britain
•ENU - English United States
•FRA - French France
•NLD - Dutch
If you are integrating only with a Cisco CallManager phone system, if the Cisco Unity system is using only the preceding languages, and if the system does not include ActiveFax™ (either on the Cisco Unity server or on a separate fax server), you can upgrade to version 2.4(6.126) by using the Disc 1 file alone.
If you are integrating only with a Cisco CallManager phone system, if the Cisco Unity system is using only U.S. English, and if the system does not include ActiveFax (either on the Cisco Unity server or on a separate fax server), you may prefer to upgrade to version 2.4(6.126) by using the file CiscoUnity2.4.6.126.ENU.exe instead, because the download is much smaller. The file is available on the Software Center website at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
CiscoUnity2.4.6.126.ML.CD2.exe (Disc 2)
Download the Disc 1 file and the Disc 2 file if the system you are upgrading contains voice cards or if it is using any of the following languages:
•ENZ - English New Zealand
•ESO - Spanish Colombian
•NOR - Norwegian
CiscoUnity2.4.6.126.ML.CD3.exe (Disc 3)
Download the Disc 1 file and the Disc 3 file if the system you are upgrading includes ActiveFax, either on the Cisco Unity server or on a separate ActiveFax server.
To download Cisco Unity 2.4(6.126)ML
Step 1 Confirm that the Cisco Unity server or the computer with a read/write CD-ROM drive has enough hard disk space available for the files that you need to download and for the extracted files. See Table 1.
Table 1 Required Hard Disk Space
File Name
|
Download File, Bytes
|
Extracted Files, Bytes
|
Download File Plus Extracted Files, Bytes
|
CiscoUnity2.4.6.126.ML.CD1.exe
(Disc 1)
|
433,163,836
|
659,104,256
|
1,092,268,092
|
CiscoUnity2.4.6.126.ML.CD2.exe
(Disc 2)
|
410,660,864
|
587,161,600
|
997,822,464
|
CiscoUnity2.4.6.126.ML.CD3.exe
(Disc 3)
|
407,269,376
|
629,121,024
|
1,036,390,400
|
Total
|
1,251,094,076
|
1,875,386,880
|
3,126,480,956
|
Step 2 Create a directory for the files that you want to download, either on the Cisco Unity server or on the computer with a read/write CD-ROM drive.
Step 3 Go to the Software Center website at http://www.cisco.com/cgi-bin/tablebuild.pl/unity and download the appropriate file(s).
Step 4 Run each of the files that you downloaded. The file-extraction program prompts you to specify a directory for the extracted files. The name of the directory that you specify and the path to that directory cannot contain any spaces. The file-extraction program creates a CD<n> directory in the directory you specify, and extracts the files to that directory.
If you plan to install from the Cisco Unity server, skip to Step 6.
Step 5 Create compact discs that contain the extracted files, one disc for each self-extracting file that you downloaded.
Copy only the contents of each CD<n> directory to the compact disc, not the directory itself. If you copy the CD<n> directory to the compact disc, then when you install the upgrade, you will need to browse to the files within the directory for each disc.
Step 6 Delete the files CiscoUnity2.4.6.126.ML.CD<x>.exe to free hard disk space.
Installing Cisco Unity 2.4(6.126)ML
To upgrade to Cisco Unity 2.4(6.126)
Step 1 If you are integrating Cisco Unity with Cisco CallManager, either alone or as part of a dual phone system integration, uninstall the AV-Cisco TSP. For information, refer to AVCiscoTSP1.0.0.32.Readme.pdf at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
Step 2 Follow the instructions in the "Upgrading to Cisco Unity 2.46" section of April 2001 Release Notes for Cisco Unity 2.46 at http://www.cisco.com/univercd/cc/td/doc/product/voice/c_unity/2_46/rel_note/index.htm.
Caution When you exit the Cisco Unity software before upgrading, do not use the Kill utility to stop Cisco Unity services, or the upgrade may fail. Instead, use the Cisco Unity tray icon in the status bar or use the Status Monitor.
Step 3 The system prompts are overwritten during the upgrade to version 2.4(6.126). Therefore, if quiet prompts were installed before you upgraded, download the latest set of prompts (including some new prompts for version 2.4.6.126) and reinstall them. Quiet prompts and the instructions for installing them are available on the Software Center website at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
Step 4 If you are integrating Cisco Unity with Cisco CallManager, reinstall the AV-Cisco TSP. For information on which versions are supported, see the "Qualified Product Combinations for the AV-Cisco TSP" section. For information on installing the AV-Cisco TSP, see the Readme or Release Notes PDF files for the version you are installing at http://www.cisco.com/cgi-bin/tablebuild.pl/unity.
Step 5 If you extracted the downloaded files to directories on the Cisco Unity server, delete the extracted files to free hard disk space.
Qualified Product Combinations for the AV-Cisco TSP
Releases of the AV-Cisco TSP have been qualified for the following product combinations only.
Table 2 Qualified Product Combinations
Cisco Unity
|
AV-Cisco TSP
|
Cisco CallManager
|
2.4(6.126)
|
1.0(0.32)
|
3.0(11)
|
2.4(6.126)
|
1.0(0.32)
|
3.0(10)
|
2.4(6.126)
|
1.0(0.32)
|
3.0(9)
|
2.4(6.126)
|
1.0(0.32)
|
3.0(8)
|
2.4(6.102)
|
1.0(0.32)
|
3.0(9)
|
2.4(6.102)
|
1.0(0.32)
|
3.0(8)
|
2.4(6.102)
|
1.0(0.28)
|
3.0(11)
|
2.4(6.102)
|
1.0(0.28)
|
3.0(10)
|
2.4(6.102)
|
1.0(0.28)
|
3.0(9)
|
2.4(6.102)
|
1.0(0.28)
|
3.0(8)
|
2.4(6.102)
|
1.0(0.28)
|
3.0(7)
|
2.4(5.73)
|
1.0(0.28)
|
3.0(7)
|
2.4(5.xx)
|
1.0(0.24)
|
3.0(2d)
|
Caveats
Open Caveats
Table 3 lists possible unexpected behavior by Cisco Unity Release 2.4(6.126).
Table 3 Cisco Unity Release 2.4(6.126) Open Caveats
Caveat Number
|
Description
|
CSCae08069
|
Callers hear silence or ring no-answer when calling Cisco Unity.
This appears to happen on busy systems using the G729a codec, though it has also been seen on a G711 system. The event log has MIU errors and ports that are disconnecting and reconnecting from Cisco CallManager. In addition, the event log lists many identical AvWav errors from two ports at once.
|
CSCdu04186
|
If you are using L&H RealSpeak TTS on Windows 2000, Cisco Unity hangs when you log off of Windows 2000. There are no errors in the event log. When you dial the Cisco Unity access number, you hear a reorder or ringback tone. When you log back on to Windows 2000, you cannot start Cisco Unity by using the Cisco Unity icon in the status area of the taskbar.
This occurs in two circumstances:
•No one is logged on to Windows 2000 when a subscriber listens to an e-mail message by using TTS. Then you log on to Windows 2000 on the Cisco Unity server and log back off. Cisco Unity hangs when you log off of Windows 2000.
•You are logged on to Windows 2000 on the Cisco Unity server when a subscriber listens to an e-mail message by using TTS. Cisco Unity hangs when you log off of Windows 2000.
Workarounds
•Lock Windows 2000 instead of logging off. However, if someone other than the person who locked the system unlocks the system, the person who locked the system will be logged off and this will cause Cisco Unity to hang if a TTS message has been accessed.
•Use L&H 3000 instead of L&H RealSpeak TTS on Windows 2000.
|
CSCdu43820
|
If you change languages or reduce the number of languages on a Cisco Unity system, PhraseServer errors appear in the application event log each time you restart the Cisco Unity server.
Workaround
1. In the registry, go to HKEY_LOCAL_MACHINE\Software\Phrase Server Classes, and select a PhraseServer key.
2. Delete the sub-key for the language that is no longer installed.
3. Repeat Steps 1 and 2 for each PhraseServer key and for each language that is no longer installed.
|
CSCdu59279
|
When installing Cisco Unity on a non-ENU version of Windows 2000, TAPI does not initialize properly.
Workaround
Remove the following TSPs from the Phone and Modem Options control panel:
•Microsoft H.323 TAPI Service Provider
•Microsoft Multicast Conference TAPI Service Provider
|
CSCdu65748
and
CSCdu65866
|
When you remove a language from the system by rerunning Cisco Unity Setup and unchecking the corresponding check box, the subscribers who used the language hear the fail-safe conversation in the default phone language.
When you unload a language in the Cisco Unity Administrator (Configuration > Phone Languages) without removing it from the system, the subscribers who used the language hear the fail-safe conversation in the now-unloaded language.
In either case, if the language you removed or unloaded is the default phone language, and if there are three or more languages installed on the system, which language becomes the new default phone language is unpredictable. (In this situation, reset the default phone language.)
In addition, the value of the Subscriber's Language setting for subscribers who used the removed or unloaded language changes to the default phone language in the Cisco Unity Administrator, but the value in the Cisco Unity database is not updated.
Workaround
To set Cisco Unity to play the default phone language for subscribers who used the now-unavailable language:
•Add a new DWORD value to HKEY_LOCAL_MACHINE\Software\Active Voice\CDE\1.0. Name it RetryDefaultLanguage, and set the value to 1. A restart is not required.
With this workaround, errors still appear in the application event log.
Alternatively, you can update the database value for the Subscriber's Language setting, so error messages no longer appear in the application event log:
1. In the Cisco Unity Administrator, go to the Subscribers > Conversation page for each subscriber account.
2. If the value of Subscriber's Language is correct, change another value on the page, click the Save icon, reverse the change (if appropriate), and click the Save icon again. This causes the Cisco Unity Administrator to save the correct Subscriber's Language value to the database.
If the value of Subscriber's Language is incorrect, change the language and click the Save icon.
|
CSCdu68567
|
When the Cisco Unity installation application, Setup.exe, is located in a path that includes spaces in the directory name, the installation fails with the error message: "The installation is not complete. You should run this setup procedure again in its entirety."
Workaround
Remove spaces from the path, or map a drive to Setup.exe if you are running it from a network path that includes spaces.
|
CSCdu73843
|
If you use the Kill utility (Kill av* at the command prompt) to stop Cisco Unity services during an upgrade, the upgrade may fail because not all services are stopped.
Workaround
Use the Cisco Unity tray icon in the status bar, or use the Status Monitor to stop Cisco Unity services.
|
Resolved Caveats
Table 4 Cisco Unity Release 2.4(6.126) Resolved Caveats
Caveat Number
|
Description
|
CSCae03457
|
When you finish a phone record and playback session and close the Media Master or ViewMail for Microsoft Outlook form, the AvTrapConnectionHolderSvr process does not end properly and remains visible in Task Manager. This may cause problems with third-party applications.
|
CSCae06114
|
In the Subscriber Playback conversation, Cisco Unity maps the # key to two functions. After a message being forwarded is addressed, the prompt says: "To add another name, press 1. To record an introduction to the message, press 2. To forward the message as is, press #. For message options, press #." When the # key is pressed, the message is forwarded as is.
The message options portion of the prompt has been corrected ("For message options, press 3").
|
CSCae06207
|
When you disable a message notification device using the Cisco Unity Administrator (Subscribers > Subscribers > Message Notification) and then try to delete the phone number associated with that device, an error message appears. When the page refreshes, the phone number reappears.
|
CSCae06454
|
When specifying call routing rules, if you use a hyphen to designate a range of ports and the range includes a two-digit port number, the wrong ports are affected. For example, a routing rule that is enabled on ports 1-10 works only on ports 1 and 10, and not on ports 2 through 9.
|
CSCae06581
|
The Subscriber Setup > Message Settings > Fax Delivery conversation does not let you enter a pause in a fax delivery number.
|
CSCae06678
|
With some Dialogic® integrations, resynchronizing MWIs occasionally causes Tapisrv.exe to crash or MWI ports to stop working.
To activate the fix
In the [Configuration] section of the active phone system file, add the parameter MinimumMWIRequestInterval=<milliseconds to wait between MWIs>. We recommend a value of 750.
|
CSCae07690
|
Under some circumstances, the wrong date is assigned to a subscriber's standard greeting, causing the disabling of the standard greeting. This occurs because the property AVP_TIME_EXPIRES in DohPropTest is either "(empty)" or the date that the machine was installed. When a greeting is edited that has the date that the machine was installed, AVP_TIME_EXPIRES changes to 12/31/90, which results in the disabling of the standard greeting.
|
CSCae07707
|
The Integration Monitor utility does not update the display properly and consumes too much memory when left open overnight.
|
CSCae07844
|
In the following cases, the Cisco Unity AVImport utility returns a run-time error when you import from Microsoft Exchange or from a CSV file:
•When the All Subscribers distribution list is removed from the default subscriber template.
•When a First Name and Last Name are not entered for the user being imported.
|
CSCae07867
|
A 40- to 48-port load and a large global address list may cause subscribers to experience an 8- to 20-second delay after Cisco Unity answers and before the prompt "Please enter your password" is played.
|
CSCae07909
|
The TTS conversation does not read the subject line and body text of e-mails. This will occur when the Cisco Unity system is using the G729a codec with the AV-Cisco TSP. The following error is logged in the application event log:
Source: AvTTS_MC
Description: WavOutSupportsFormat failed with %2 (%3).
|
CSCae07963
|
In Cisco Unity version 2.4(6.102), when L&H RealSpeak is the TTS engine and the subscriber conversation language is set to anything other than ENU, e-mail messages are not read.
|
CSCae07970
|
MWI request frequency under heavy load can cause MWI failure.
To activate the fix
In the [Configuration] section of the active phone system file, add the parameter MinimumMWIRequestInterval=<milliseconds to wait between MWIs>. We recommend a value of 750.
|
CSCae08014
|
Installing the Internet Voice Connector on a Windows 2000 machine with Active Directory fails because the IVC installation program is hard-coded to use LDAP port 389.
The IVC installation program now asks what the Exchange LDAP port is.
|
CSCae08065
|
When you attempt to import Exchange subscribers by using the Cisco Unity AvImport utility or the Cisco Unity Administrator, an error message indicates that there are no matching records in Exchange to import, even though Exchange users do exist.
|
CSCae08114
|
When an Exchange distribution list has an invalid alias, running Cisco Unity Setup results in an error message. The message says that you may continue with setup and manually configure the system later, though this cannot be done. Exchange distribution lists do not show up in the Cisco Unity Administrator.
|
CSCae08137
|
When you are forwarding a message to another subscriber by using the phone, and either there is only one match to the letters you entered or you are addressing by extension, Cisco Unity does not state the name of the recipient that is being added, but simply says, "Added."
|
CSCdt90267
|
When using a serial integration, leading zeros are stripped for forwarded calls. This causes a call to go to the opening greeting instead of the specified mailbox when the forwarded party's extension starts with a 0.
To activate the fix
Add the following parameters:
•In the serial integration file (for example, Averic.avd), in the [Configuration] section, add DoNotStripZero=YES.
•In the phone system file that you are using (for example, Ericsson0001.ini), in the [Configuration] section, add AllowZeroLeadingExtensions=1.
|
CSCdu06733
|
On Toshiba phone systems using SMDI integration, some release transfers initiated by Cisco Unity are not answered when forwarded back to Cisco Unity from the RNA/Busy subscriber extension. In the registry at HKEY_LOCAL_MACHINE\
Software\Arbiter\1.0\SystemConfiguration, the AllowCallsFromVoiceMail value is set to "0" by default. This prevents Cisco Unity from answering calls when the call information for a particular call indicates that the caller is a voice mail extension.
|
CSCdu13459
|
On startup, the system repeatedly asks for a disk in drive A, beginning before the Control-Alt-Delete logon. The message reappears even after you cancel it. The message that appears in the event log is:
Event Type: Information
Event Source: Application Popup
Event Category: None
Description: Application popup: AvCsMgr.exe - No Disk: There is no disk in the drive. Please insert a disk into drive A.
|
CSCdu17234
|
When integrating Cisco Unity with Cisco CallManager, you sometimes receive ring no answer when calling Cisco Unity. Eventually you may be forwarded to a Cisco Unity port that answers. The port that causes the error becomes locked and can be unlocked only by restarting the system.
Just before the disconnect/reconnect sequence starts, an AvMIU_MC error appears in the event log. The AvMIU_MC error is:
Event Type: Error
Event Source: AvMiu_MC
Event Category: Error
Description: Component Miu: Thread 0x00000A64 had a Failure on Port 39 in Method CAvMiuTapiLine::GetNewCall()
This has been seen only on very high-traffic systems under extreme load, and will occur only when you are using AV-Cisco TSP 1.0(0.32) with Cisco Unity 2.4(6.102).
|
CSCdu17422
|
Cisco Unity repeatedly disconnects from and reconnects to Cisco CallManager, and ports become locked. An AvMIU_MC warning appears in the event log just before the disconnect/reconnects begin. This problem occurs under heavy load with AV-Cisco TSP 1.0(0.28), Cisco CallManager 3.0(8), and Unity versions 2.4(6.115) and later.
|
CSCdu31554
|
In very rare cases, a port gets into an endless loop of disconnects and reconnects. This occurs with Cisco Unity 2.4(6.102) when the Cisco Unity server has a large number of voice messaging ports and a relatively slow processor.
|
CSCdu31584
|
In very rare cases, a port gets into an endless loop of disconnects and reconnects. When this occurs, the Windows Event log contains an Miu Drop warning for each disconnect and reconnect. This occurs with Cisco Unity 2.4(6.102).
|
CSCdu53543
|
If you are using the G729a codec with L&H RealSpeak, you must manually enable the G729a codec by changing the registry.
|
CSCdu54454
|
If you are integrating Cisco Unity with Cisco CallManager, and if a port is configured both to answer calls and to turn MWIs on and off, Cisco Unity may attempt to use that port to turn an MWI on or off at the same time that it is processing a call on that port. This causes the MWI attempt to fail.
|
Documentation Update
Omission
Converting a Cisco Unity Demonstration System to a Standard System
Do the following procedure after you have ordered and received a standard Cisco Unity system.
To convert a demonstration system to a standard system
Step 1 Plug the system key into the parallel or USB port on the server.
Step 2 Exit the Cisco Unity software, but do not restart the server.
Step 3 Insert Cisco Unity Disc 1 in the CD-ROM drive.
Step 4 Browse to the root directory of Cisco Unity Disc 1, and double-click Setup.exe.
Step 5 Follow the on-screen prompts and the instructions in the e-mail that you received from Cisco when you registered Cisco Unity on the Cisco website.
Step 6 Restart the server.
Step 7 Redo the procedures for your integration by using the appropriate Cisco Unity integration guide. Cisco Unity integration guides (PDF files) are in the Documentation directory on Cisco Unity Disc 1.
Related Documentation
Release Notes for AV-Cisco TSP 1.0(0.32), at http://www.cisco.com/univercd/cc/td/doc/product/voice/c_unity/2_46/rel_note/
tsp32rn.htm.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the Cisco Technical Assistance Center (TAC) website.
Cisco.com
Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
Cisco.com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity. Through Cisco.com, you can find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco.
To access Cisco.com, go to the following website:
http://www.cisco.com
Technical Assistance Center
The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.
Contacting TAC by Using the Cisco TAC Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:
http://www.cisco.com/tac
P3 and P4 level problems are defined as follows:
•P3—Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue.
•P4—You need information or assistance on Cisco product capabilities, product installation, or basic product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
http://www.cisco.com/register/
If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website:
http://www.cisco.com/tac/caseopen
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml
P1 and P2 level problems are defined as follows:
•P1—Your production network is down, causing a critical impact to business operations if service is not restored quickly. No workaround is available.
•P2—Your production network is severely degraded, affecting significant aspects of your business operations. No workaround is available.
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