Cisco IP Telephony 1-2-3
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Transcript of Cisco IP Telephony 1-2-3
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1 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicSession Number
Presentation_ID
IP Telephony 1-2-3
Marquis Harper CCIE# 14435
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Step # 1
The Phone
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Cisco IP Communication Devices
Cisco IP Phone 7902G
Cisco IP Phone 7905G
Cisco IP Phone 7912G
Cisco Wireless IP Phone7920
Cisco IP Phone 7940G
Cisco IP Phone 7941G
Cisco IP Conference Station
7936
Cisco IP Phone 7960G
Cisco IP Phone 7961G
Cisco IP Phone 7914Expansion Module
Cisco IP Phone 7970G
Cisco IP Phone 7971G-GE
Cisco IP Phone 7985G
Cisco VT Advantage Video
Telephony Solution Cisco IP Communicator
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Broadest Choices Among IP Endpoints
Cisco IP Phone 7902G
Cisco IP Phones
7905G/7912G
Cisco IP Phone 7960G / 7961G
Cisco VG248 AnalogPhone Gateway
Cisco VT Advantage
Cisco IP Communicator
Cisco WirelessIP Phone 7920
Cisco IP ConferenceStation 7936
Cisco IP Phone
7970G/7971G-GE
New
Cisco IP Phone 7985GNew
New
Cisco IP Phone 7940G / 7941G
Cisco ATA 186/188
Update
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Cisco IP Phone 7905G
Common areas: hallway, manufacturing floor,break room, reception, or office cubicle
Low-to-medium telephone traffic
Pixel-based display (Approximately 5 lines +Soft keys + Date/Time/Menu Title)
Single Line / Directory Number (DN)
Cisco Inline Power
Powered Patch Panel Support
Local power option available
Single RJ45 connection (no Ethernet switch)
Hard Hold key
Visual Message Waiting Indicator
Call Monitor (No microphone)
No headset jack
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Cisco Wireless IP Phone 7920
Mobile Wireless Phone increasesProductivity by increasing Reach-ability
Reduce Costs by Utilizing a SingleConverged Network
Easy to use wireless IEEE 802.11b
wireless IP phone Pixel Display provides intuitive access
to features
Two soft keys dynamically presentcalling options
Multi-line Appearance - 6 extensions/speed dials
Supports G.711 / G.729A
Standard and Extended Li-ion Batteries
More
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360-degree room coverage - providedby powerful, digitally- tuned speakerand three microphones
DHCP for auto address configurationto IP Network
Single cable design
Simple to install - configures withCisco CallManager
Auto configuration
- Phone number, software imagesand personalized settings
Cisco IP Conference Station 7936(continued)
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Cisco IP Phone 7960G
Manager IP Phone for the professional
worker High or busy telephone traffic
Six linesmix directory numbers or speeddial, call waiting
Display area: pixel display with dynamicfeature access using soft keys
Additional display area for value-addedservices and applications
Info key for on-line help with features
Visual Message Waiting Indicator
Multi-protocol support
-SCCP, SIP, and MGCP
Services key for XML-based information
24 user-selectable Ringers
High-quality hands-free speaker
Built-in headset connection
10/100BaseT, two-port Ethernet switch
Inline power-compatible
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Cisco IP Phone 7970G
Executives, decision makers, and PC-less environments
Advance XML development platform formore dynamic applications
High resolution, large graphical pixeldisplay (320 x 234), supporting a 12 bit
color depth
Dynamic feature access via Touchscreenor fivesoft keys
Eight lines - mix directory numbers orspeed dial, call waiting
Info key for on-line help with features
Visual Message Waiting Indicator
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Cisco IP Communicator
Gives your PC the functionality ofan IP phone
Access your phone extension andservices outside the office (on/offcampus)
Easy to use
Feature parity with Ciscos advanced IP phones
Multiple lines, barge, extension mobility
IP Phone services support (XML)
Audio Tuning Wizard for setting audio levelsproperly
Easy to manage Unified administration with Cisco IP phones
Scaling 1 to 1 with IP phones (unlike TAPI-based)
Automatic software updates
Easy to deploy Manage user configurations
Auto-detection of Cisco VPN client Premium voice quality
Advanced jitter buffer and packet loss concealmentalgorithms
Audio "Tuning Wizard for setting levels
Echo suppression and noise cancellation
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#2
The Server
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Cisco MCS 7800 Series
Platform Space Processor
CPU
Equipped
CPU
Max
MCS 7815-I1 Tower Pentium 4 3060MHz 1 1
MCS 7825-I1 1U Rack Mount Pentium 4 3400MHz 1 1
MCS 7835-I1 2U Rack Mount Nocona Xeon 3400MHz 1 2MCS 7845-I1 2U Rack Mount Nocona Xeon 3400MHz 2 2
MCS 7825-H1 1U Rack Mount Pentium 4 3400MHz 1 1
MCS 7835-H1 2U Rack Mount Nocona Xeon 3400MHz 1 2
MCS 7845-H1 2U Rack Mount Nocona Xeon 3400MHz 2 2
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Cisco MCS 7845-H1
Performance
Dual Nocona Xeon 3.4GHz, 800MHz FSB
4GB SDRAM
High-Availability Components
Four 72GB hot-swap SCSI RAID hard drives (two additional 144GB drives on ECS1) Redundant hot-swap power supplies
Redundant hot-swap fans
Flexibility
Optional 20/40-GB hot plug DAT tape drive
Serviceability
System Health LEDs
Integrated Lights Out (iLO) Remote Management
Redundant ROM for Reliable Server Operations
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MCS Software Matrix
Application 7815-I1 7825-I1 7825-H1 7835-H1 7835-I1 7845-H1 7845-I1
CallManager Yes Yes Yes Yes Yes Yes Yes
CCC No Yes Yes Yes Yes Yes Yes
CER Yes Yes Yes Yes Yes Yes Yes
ICM Ent/Hosted Yes Yes Yes Yes Yes Yes Yes
IPCC Express Yes Yes Yes Yes Yes Yes Yes
IPCC Ent/Hosted Yes Yes Yes Yes Yes Yes YesIPICS No No Yes No No Yes No
IP IVR Yes Yes Yes Yes Yes Yes Yes
ISN No No No No No Yes Yes
MeetingPlace No No No Yes Yes Yes Yes
PA No Yes Yes Yes Yes No No
Queue Mgr. No Yes Yes Yes Yes Yes Yes
Unity Yes Yes Yes Yes Yes Yes Yes
Unity Bridge Yes No No No No Yes Yes
Yes = The Application supports the serverNo = The application does not support the server
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Cisco Media Convergence ServerPositioning with Cisco CallManager
Cisco MCS 7835-H1
Cisco MCS 7835-I1
Performance
Low
Availability
High
Cisco MCS 7825-H1
Cisco MCS 7815-I1
Cisco MCS 7845-H1
(Dual processor)
Cisco MCS 7825-I1
Cisco MCS 7845-I1
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CallManager Single-Server Capacities
Cisco MCS 7815-I1
Cisco MCS 7825-H1 or MCS 7825-I1
Cisco MCS 7835-I1 or MCS 7835-H1
300 500 1000 2500
IP Phones
7500
Cisco MCS 7845-H1 or MCS 7845-I1CallManager 3.3 Release or Greater
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#3
The Switch
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QoS - Auxiliary VLAN
Automatic Phone VLAN Configuration
Phone VLAN = 200
tagged with VVID
No end-user intervention required
Extends the benefits of VLANs to IP phones
Preserves existing IP address topology
Uses 802.1Q technology between switch and phone
PC VLAN = 3
untagged
Desktop PC:IP Subnet A
IP Phone:IP Subnet B
V
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IP Phone Initialization: Inline Power
Phone: Mute, Headset, Speaker Buttons Illuminated
CDP (I Need 6.3 W)
Inline Power
MAC:003094C3AD7E
CatalystSwitch
Modified FLP (Fast Link Pulse)
Return FLP
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IP Phone Initialization: AUX VLAN
Phone Displays: Configuring VLANCheck Settings: NetCfg->19 Operational VLAN ID
MAC:003094C3AD7E
CatalystSwitch
FLP
CDP (VLAN Number)
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IP Phone Initialization: IP Configuration
Phone Displays: Configuring IP*DNS Is Optional
Check Settings: NetCfg-> 1 DHCP ServerNetCfg-> 6 IP Address
CDP
MAC:003094C3AD7E
CatalystSwitch
DHCP Req
DHCP Rsp (IP Add, Def-GW, TFTP, DNS*) DHCPServer
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IP Phone Initialization: TFTP
CDP
MAC:003094C3AD7E
CatalystSwitch
DHCP Req
DHCP Rsp (IP Add, Def-GW, TFTP, DNS*) DHCPServer
TFTP Read
TFTP Data (OS79XX.txt)
TFTP Read
TFTP Data (SEP003094C3AD7E.cnf.xml)
Phone Displays: Configuring IPError Verifying Config Info
Check Settings: NetCfg-> 8 TFTP Server
TFTPServer
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IP Phone Initialization TFTP Trace
TFTP traces provide more information on initialization process
TFTP|[opcode = 1] [Mode = octet] [thread count 0]|
TFTP|file error[File Name or path not found 2]|
Note that the phone requests the configuration file
SEP0002FDAEFB9D.cnf.xml from the CallManager (version 3.1 and above)
Phone Loads in CallManager Releases prior to 3.1 request the File name:SEP0002FDAEFB9D.cnf
3.0.12 will understand both file formats
Files served by TFTP
Are located in c:\Program Files\Cisco\TFTPPath
CCM 3.2: By default SEP.cnf.xml files cached in RAM and not written to disk
Goto TFTP Service Paramaters to disable caching
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Phone Displays: Configuring IPCallManager Name DNS ErrorDefaulting CM To TFTP Server
Check Settings: NetCfg-> 14 DNS Server 1
IP Phone Initialization: DNS
CDP
DHCP DHCPServer
TFTP (CCM1 = SJSUB1)
DNS Request (SJSUB1 = IP?)
DNS Response (SJSUB1 = x.x.x.x)
TFTP
Server
CatalystSwitch
DNSServer
MAC:
003094C3AD7E
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Phone Displays: Configuring CM ListRegistration RejectedOpening 10.1.1.1CM Down, Features Disabled
Check Settings: NetCfg-> 21 Call Manager 1
IP Phone Initialization: CCM Registration
CDP
MAC:
003094C3AD7E
DHCP DHCPServer
TFTP
DNS
Skinny Register
TFTP
Server
CatalystSwitch
DNSServer
Skinny Registration ConfirmCallManager
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AVVID SCCP Client Registration
Station Register Station Register
Station Register Ack or Rej Station Register Ack or Rej
Station Capabilities Request Station Capabilities Request
Station Capabilities Response Station Capabilities Response
Station Button Template Req Station Button Template Req
Station Button Template Res Station Button Template Res
Station Time Date Req Station Time Date Req
Station Define Time Date Station Define Time Date
DHCP Request DHCP Request
DHCP Reply w/TFTP Addr DHCP Reply with /TFTP Addr
TFTP Request for .cnf TFTP Request for .cnf
TFTP Reply with .cnf file TFTP Reply with .cnf file
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Post Initialization: The Sound of Success
Sweet!Dial Tone! Registered
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Back to the Phone
It is all about the phone from the end userperspective. It is what differentiates Cisco IPTelephony from legacy TDM systems.
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What are IP Phone Services?
Interactive applications presented via the Cisco IP Phone display and controls
Requested through the Services button, or Pushed down from applications
Easily developed, using pre-defined XML objects: custom text, input, graphics, audiostreaming, etc.
Web-based services model
Example applications:Timecard applications
Inventory systems access/interaction
Corporate wide audio/text notification systems
Combined with CTI: unlimited interactive voice and display application possibilities!
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IP Phone ServicesCallManager Configuration
XMLTags
Sample.asp
Web Developer createsthe IP Phone Services
Application
1
Developer orCallManagerAdministrator copiesthe Web Script files toa Web (HTTP) Serverthat the CallManagerwill point to for IPPhone Services
2
CallManager Administrator adds IP
Phone Services and makes it available tothe users
3
User logs into CallManager UserPreferences and configures
which Services to be displayedon the phone
4
Userpresses the Servicesbutton on the IP Phone todisplay the selected IP Phoneservices on the LCD screen
5
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Wheres the load?
Proxy WebServer
Internet
Most of the load is on theserver processing the IPPhone web scripts
firewall
CM Server:Minimal load
IP Phone:Light load
Use Web Server Design best practices to optimize your web configuration
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Hospitality
Room Service
A collection of unique and powerfulapplications developed by AVVID partnersthat help hotels provide enhancedservices to their guests while improvingoverall operations and reducing costs
Display events and schedules
Provide speed dials, directories,previous call history to guests
Set up wake up calls
Order room service Enable hotel staff to input information onroom status
Advertise services such as the spa orlocal specials
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Education K12
PhoneTop
A suite of applications that alloweducation customers to use the
Cisco IP Phone to performadministrative functions:
Take attendance Issue/monitor electronic hall passes
Conduct visitor control & timekeeping, Receive bulletins SIF Agent allows the Cisco IP Phone to participatewithin a Schools Interoperability Framework (SIF)network - see www.sifinfo.org
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Presentation_ID 2002, Cisco Systems, Inc. All rights reserved.34
Empower employees
Competitive Advantage
Customer Satisfaction
Employee Satisfaction
Revenue Generation
Cost Controls /Reductions
New World Applications
On-Screen Patient Finder
On-Screen Doctor Locator
On-Screen Test Results On-Screen Test Scheduling
On-Screen On-Call List (Priest,Doctors)
On-Screen Equipment requestand locator
On-Screen Timecards
On-Screen HR Information
Hospitals and Medicine
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Broadcast Messaging
New World Applications
Send Text and Audio Broadcasts tophones. Audio is pre-recorded or live
Use during emergencies /evacuations
Meets needs of hearing and visualimpaired
Options to broadcast to specificzones, continuous repeating, forspecific durations, schedule when to
broadcast
Use for organizational or corporateannouncements
Use as a zone paging system
Horizontal IP Telephony XML Apps
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Employee Services
New World Applications
Time Card: Clock In / Out
Time Off Requests
Shift Swap Requests
Employee Bulletins
Employee BenefitInformation
Horizontal IP Telephony XML Apps
http://localhost/var/www/apps/conversion/tmp/scratch_8//rtp-fs1/users-r/rschlage/Documents%20and%20Settings/Mr.%20Fernando/Local%20Settings/Documents%20and%20Settings/Mr.%20Fernando/Local%20Settings/Temporary%20Internet%20Files/OLK56/Retail_Test.ppt -
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Improve Productivity: Access Applicationsfrom Your IP Phone
Web site integration via XMLto your Cisco IP Phone
Call Center
Real Estate
Cisco MeetingPlace Amber Alert
Automotive
Time Card
Extend information flow to workstations with no PC
Productivity
Scalability
Mobility
Security
Availability
Adaptability
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Extension Mobility
Directory based phone log-in
Application XML based
-authenticates to directory
-Updates CallManager with user extension
-Users extension is pushed to phone where loginoccurred
-User receives all personal settings
Applicable for mobile office environments Substantial cost savings benefits
Directory
Bldg 2
Bldg 1
DataCenter
DHCP Server
Call Mgr
Web Server
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What is it?
Extension Mobility allows individuals to configure a Cisco IP7960/7940 phone temporarily, by logging into that phone. Oncelogged in, the phone adopts the users assigned line numbers,
speed dials, configured services and other user specificsettings.
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Some uses
Sales offices
Consulting companies
Companies with people working in shifts
Universities, where they want to charge students for the calls
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Background
Technology:Q: What are IP phone services?
A: Applications that utilize the web client capabilities on IP phones.XML applications that enable the display of interactive content withtext and graphics on Cisco IP phones
History:Evolution of telephone from voice service to new breed of Internetappliance
Business Drivers
Increase and improve personal and workgroup productivity
Increases ROI of IP telephony investment
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How Does It Work?
Standards-based architecture (XML over HTTP)
Phone has built-in HTTP client
Phone communicates with back-end web server running application
Anyone with basic understanding of web development and right tools can
create an IP phone service
Web Server1. IP Phone sends HTTPrequest for web page
XML /text
3. Web page sent to IP Phone4. IP Phone parses thefile and interprets howthe page shows on thescreen
2. Server runs a script todynamically builds anXML page to return tothe IP Phone
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Presentation_ID43 2000, Cisco Systems, Inc.
Login/Logout Behavior / Call Flow
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Login Call Flow
1. A user presses the Services button on theCisco IP phone and requests to log in. This actioninvokes a URL for the EM application.
2. The phone sends a formatted XML/HTTP query tothe EM service to determine the state of thephone. The service responds in an XML formatwith "No one logged in.
3. The application prompts the user for UserID andPIN. The user enters the UserID and PIN andpresses the Submit soft key.
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Login Call Flow
4. The phone performs a HTTP request and theapplication tries to authenticate the UserID andPIN
5. If the UserID and PIN cannot be authenticated, thephone displays "Authentication Error.
If the UserID and PIN is authenticated, the applicationqueries the Cisco IP Telephony Directory to getthe list of device profiles associated with the user
6. The directory responds with the list of the user'sdevice profile(s). If the list has more than oneentry, the phone displays the device profiles from
which the user can choose
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Login Call Flow
7. When the user chooses an entry from this list (or ifthe list has only one entry), the application
generates the XML for the service
8. The application determines the URL of the serviceand posts, via HTTP, the generated XML loginrequest to this URL
Note Extension Mobility looks up the URL in the Directory on the firstinstance only; the URL is then stored as a static variable.
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Login Call Flow
9. The service responds in a defined XML format tothe request with a Success (or Failure) message
10. The application returns the correct notification tothe device; the user sees a "Login Successful"message on the phone. The phone restarts with
the user's device profile
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Logout Call Flow
1. A user presses the Services button on theCisco IP Phone and requests to log out. Thisaction invokes a URL for the EM application.
2. The application generates the XML to query the EMservice for the current state of the device.
3. The service responds to the application with thecurrent state of device; for example, is
logged in.
4. The application prompts the user to confirm thatthey want to log out.
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Logout Call Flow
5. When the user presses the Yes soft key to confirmthat they want to log out, the applicationgenerates XML for the logout operation.
6. The application looks up the service URL andposts, via HTTP, the generated XML to the URL.
7. The service responds to the application requestwith a Success or Failure message in an XML format.
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Logout Call Flow
8. The application parses the received XML andcreates an XML response message.
9. The XML gets returned as a suitable notification tothe device, and the phone displays "Logoutsuccessful" to the user.
10. The phone restarts to load the original userprofile.
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Login/Logout Behavior
You can establish a time limit so that Cisco CallManagerExtension Mobility automatically logs out users after a certain timethroughout the cluster
It is recommended that you direct your users to log in to their phones
at the beginning of the work day. This practice ensures that their userdevice profile gets loaded on their phone. If they make changes to theirprofile on the Cisco CallManager User Options window, the changeswill apply wherever they log in again. The change will not be applied ifthe user is already logged in.
If the User Locale associated with the login user or profile is not thesame as the locale or device, after a successful login, the phone willperform a restart followed by a reset. This occurs because the phoneconfiguration fill is being rebuilt. Add-on module mismatches betweenprofile and device may have the same behavior.
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Login/Logout Behavior
If you set multiple login not allowed, EM supports only one login at atime on a device. Subsequent logins will fail until the user logs out.
If Auto Logout is not enabled, if users forget to log out of a phone, assystem administrator, you can log them out. Or, another user can log
them out when the second user tries to log in to that phone.
If users are logged out of an IP Phone that has the EM featureconfigured for it, they cannot make calls or check voice-mail messagesfrom that phone until they log in. If they can hear a busy signal afterpressing the Messages button or any key on the touchtone key pad,
then they must log in before using the phone.
Users can log in to a phone that is off the hook; however, their IPPhone will not assume their settings until they go on hook. When theygo on hook after logging in, their phone will display a "Resetting..."message and then their phone settings will be available from that
phone.
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Login/Logout Behavior
User's EM profile does not maintain ringtype, contrast settings, and volume settings;
users configure these settings directly on theCisco IP Phone
Feature works within a single CallManager
cluster only
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