BRKVVT-2218 (1)
Transcript of BRKVVT-2218 (1)
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Planning and Designinga Cisco Unified ContactCenter ExpressDeployment
BRKVVT-2218
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Before Any Planning and DesignIs Made
Who are the business, customer service, and technicalstakeholders?
What are the business and operational milestone dates forsystem acceptance and full production ?
What business problem(s) are we solving?
What current customer service functionality exists?
Does unified contact center express meet the requiredfunctional and technical requirements?
Does the customer have all the required infrastructure and
unified communications applications? What is the exit criteria for the completion of the
deployment?
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Objectives
Be sure to properly size Unified IP Contact CenterExpress (CC Express) using calculators provided byCisco Systems
Understand your data network considerationspertaining to a CC Express deployment
Please use (frequently!) the Cisco Unified CC ExpressSolutions Reference Network Design to support a
contact center design and deployment
Application Design and User/Caller are AdditionalConsiderations for Planning and Design for CC Express
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Agenda
Contact Center Express Functionality
Deployment Models and UC Manager Compatibility
Design Components for Contact Center Express
Sizing for Contact Center Express
Contact Center Express Components
UC Manager Sizing for CC Express
Contact Center Express Server Sizing
Bandwidth and Network Impact
Contact Center Express Applications Development
Q and A
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Contact Center Express:Three Primary Functions
IVRInteractive Voice Response
Recorded messages or text to speech in responding to thecallers input of either DTMF signaling or speech
ACDAutomatic Call Distributor
Systemically routes inbound calls to the next scheduled,available, or logically selected agent
CTIComputer Telephony Integration
The amalgamation of a telephone system and computerapplications providing systems, callers, and agents informationfor a use for call routing, screen pops, reporting, and otherrelated functions
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IVR FunctionsBasic and Advanced
Basic
Prompt and collect DTMF
Basic Call Control
Basic XML Data Processing
Advanced
Database (ODBC) Integration to Selected DBMS
HTTP-Triggered Scripted Applications
Outbound E-mail Generation
VoiceXML (requires 3rd party speech server) for Speech
Recognition ApplicationsJava Object Support
MRCP Integration to 3rd Party Speech Servers
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ACD FunctionsBasic and Advanced
Basic
Call Routing and Queuing
Cisco Agent Desktop
IP Phone Agent
Supervisor Desktop
Historical and Real Time Reporting
Advanced
Skills-Based/Competency-Based Contact Routing
Queue Prioritization
Wrap up Timer and Associated Codes
Agent Based Routing
Outbound Campaigns
Multi-Channel (Web/E-Mail) Interaction
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CTI FunctionsBasic and Advanced
Basic
Enterprise Data Window in CAD Agent Desktop or IP Phone
Data-Only Pop During Inbound Call Arrival
Basic Call, IVR, and Agent Statistics
Advanced
Customized Workflows Enabling Passing Data to 3rdParty Apps
Keystroke Macro-Enabled Screen Pops
Embedded Web Browser Integration
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Deployment Modelsand UC ManagerCompatibility
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Deployment Models andUC Manager Compatibi li ty
Contact Center Express 4.5
Single CCX Server Only
Supports UC Manager 5.x
Contact Center Express 5.0
Single CCX Server
Redundant/H/A CCX Cold Standby Server
Supports UC Manager 5.16.x and CME 4.2
Contact Center Express 6.0 (New) for UC Manager 4.3
Support for Single/Redundant CCX Modules and ExpansionServers like the 4.0/4.1 Models
Supports UC Manager 4.3 (Windows OS)
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Contact Center Express 4.5
Single Server Deployment
Designed for integration with UCManager 5.x only
CC Express 4.5
Single Server Only
PSTN
Router/
Gateway
Unified CM 5.x
Cluster
WAN
Switch
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Contact Center Express 5.0
Adds H/A Option for RedundantCRS Server
Compatible with both UC Manager
5.1 and 6.x
Compatible with UC ManagerExpress 4.2
CC Express 5.0Cluster
PSTN
Router/
Gateway
Unified CM5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Contact Center Express 6.0 (New)
Designed for UC Manager 4.3
Supports Expansion Servers tobreak-out CC Express functions toadditional servers
Supports H/A Option for coreCRS Server
CC Express 6.0
Cluster
PSTN
Router/
Gateway
Unified CM 4.3
Cluster
WAN
Switch
Active/Backup
Expansion
Servers
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Contact Center Express 6.0Deployment Models
Refer to the Contact Center Express Design Guide for more details:http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_6_0/design/guide/crs60srnd.pdf
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Call Processing Models
Contact Center Express integrates with a single UC ManagerCluster and supports the Call Processing Models forUC Manager:
Single-Site Call Processing (Centralized)
UC Manager, Phones and CCX all at a single site
Agents on the LAN at the same site/campus as CCX Server
Multi-Site Centralized Call Processing
UC Manager and CCX Servers centralized in a data centerAgents locally on the LAN or remotely across the WAN
Clustering over the WAN (Centralized Call Processing)
UC Manager cluster split between data center locations
CCX Servers co-located in Data Center with UC Manager
Agents locally on the LAN or remotely across the WAN
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Design Componentsfor Contact CenterExpress
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Design Components
In planning and design for Contact Center Express systems,three key design components are considered:
Ingress Gateways/PSTN Trunks
How the calls get into the CC Express system
UC Manager CTI Ports/CCX IVR and Queue Ports
Virtual devices used by UC Manager and CC Express to handle callscoming into the system
Contact Center AgentsThe people who answer the calls and handle the contacts
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Ingress Gateway/PSTN Trunk
Provide access to the PSTN
TDM Implementation, T1/E1, PRI
Number of trunks affects gatewayhardware, performance
CC Express 5.0Cluster
PSTN
Router/
Gateway
Unified CM5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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CTI Ports
Unified Communications Manager deviceobject
One CTI Port required for each call duringscript processing (terminates media)
IVR Port License, one required for each callduring script processing
CC Express 5.0
Cluster
PSTN
Router/
Gateway
Unified CM
5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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CTI Ports (Cont.)
To calculate CTI Port and IVR Port licensesrequiredsum:
Maximum number of calls using Call Treatment (CT)
during prompt and collect phase of callMaximum number of calls in queue loop
CTI Port and IVR Port license are releasedwhen a call is accepted by an agent
CC Express 5.0Cluster
PSTN
Router/
Gateway
Unified CM5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Agents
Agents required to handle calls
Agent statistical calculationsrequire holding time, talk time, andtime in queue, and time betweeninbound calls
CC Express 5.0
Cluster
PSTN
Router/
Gateway
Unified CM
5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Design Component Usagefor CC Express
RingIVR
AnswersAgent
AnswersAgent
Hangs-upAgentReady
Treatment/Queue Delay Agent Talk Work (ACW)
Inbound Gateway/PSTN Trunk Occupancy Time
Time CTI Port and
IVR Port License are
Occupied
Time Agent Is Occupied (AHT)
Network
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Sizing for ContactCenter Express
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Sizing Is a Process...
Put together a list/spreadsheet of all the knowns:
People (agents, supervisors, administrators, callers)
Call types (800/local numbers)
What do callers require (self service, directed service, live person)
What are the business process requirements
How quickly do they need a service
What is the caller experience (interaction, speed, resolution)
How specialized are the agents?
Operational imperatives
Definitions of service levels
Answer every call?
You will likely not have all the data available!!!
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What to First Calculate..
PSTN gateway ingress ports
IVR port requirements
Actual agent counts
How?
IPCC resource calculator
CC Express 5.0
Cluster
PSTN
Router/
Gateway
Unified CM
5.1/6.0 Cluster
WAN
Switch
Active (1)
Standby (1)
(optional)
CC Express
Agents and
Supervisors
(SCCP/SIP)
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Sizing Metrics Defined
Busy Hour Call Attempts (BHCA)average number of callsreceived during the busiest hour of the day
Service Level Goal (SLG)percent of calls answered byagents within a fixed number of seconds
Average Handle Time (AHT)agent talk time + after callwork time
Average After Hour Work Time (ACW)after call work
Average Call Treatment Time(ATT)total time caller is inthe IVR
Blockage Factorpercentage of PSTN calls blocked during thebusiest hour of the day
Average Trunk Occupancyaverage time an ingress gatewayport is occupied
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IPCC Standard Resource Calculator
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Advanced IPCC Resource Calculator
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Basic Inputs to the Calculator
Calls per interval
Interval typically 60 minutes or360 seconds
Service level goal
Speaks to trunks, ports, andnumber of active agents
Average call talk time + aftercall work time = averagehandle time
Average call treatment inthe IVR
Proceed to calculate oradd current or forecastedagent counts
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Basic Outputs f rom the Calculator
Recommended numberof agents
Voice gateway trunks
Sum or IVR portsused forqueued calls and IVRhandled calls
Play with agent counts, IVRports, gateway ports toadjust calculator to modelactual conditions.
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AdvancedCentralized Call Processing
CC Express Cluster
PSTN
Router/
Gateway
Unified Comm.
Mgr. Cluster
WAN
PSTN
Router/
Gateway
WANPSTN
Router/
Gateway
WAN
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Advanced (Cont.)
You may be required to gather these requirements fromboth multiple locations and customer business units.
Also busy hour occurrences do not occur at the sametime of the day
Unique requirements likely will reach beyond sizingports, agents, and gateways. They feed into otheraspects of operational and technical requirements
You may only have some metrics, or no metrics at all!
This is what makes planning and design fun!!!
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When sizing call center IVR ports and PSTN trunks,it is better to over provision; cost of extra capacity ismuch cheaper than lost revenue, bad service or legalrisk of not meeting SLA (if under provisioned)
Consider the seasonal busy hour versus average busyhour; marketing campaigns where calls bunch up
Consider agent staffing, availability, attendance,
adherence to schedule, occupancy, different agentshifts, different time zone, reuse of facilities
Provision extra IVR and GW ports for growth andunforeseen fluctuationsreserve about 20% extracapacity (reality will be different than modeling)
Advanced (Cont.)
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Where to Go for More on SizingCall Center Resources
Glossary of call center terms (also, see glossary at the end of thispresentation)
http://www.thecallcenterschool.com/tools/glossary.aspx
http://www.ctiforum.com/technology/design/tcs/glossary.pdf
Cisco IPC resource calculator (customized Erlang-C and Erlang-B)stepsto success:
http://www.cisco.com/partner/WWChannels/technologies/
http://tools.cisco.com/partner/ipccal/index.htm
Erlang-B and C calculators
http://www.erlang.com/calculator/(contains useful tutorials)
http://ict.ewi.tudelft.nl/~frits/Erlang.htm
Traffic analysis for VoIP (Cisco)
http://www.cisco.com/univercd/cc/td/doc/cisintwk/intsolns/voipsol/ta_isd.htm#25672
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Sizing UC Managerfor Contact CenterExpress
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Factors Include:
Number of IPphones/devices
Number of gateways
Applications
Level of redundancy
Server model
Offered traffic
Agen ts
Unified
CM
Unified
CC Express
Router/GW
CiscoIP Phones PSTN
IP WAN
How Many Cisco Unified Communications Manager
Servers Do I Need?
Cisco Unified CommunicationsManager Sizing/Provisioning
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Unity IP PhoneVoice
Gateway
Unified CC Express
AgentAtt endant
ConsoleConf
Xcode
Device Types and Server Resources
Unified CM
CIPC CUPCUnity
Express
Cisco Unified CommunicationsManager Server Provisioning
Server resources are defined by server model type:
CPU speed, memory, disk I/O
Each device that registers with CUCM consumes a portion of server resources
Server resource consumption depends on:
Device type, device utilization, call rate (BHCA), dial plan complexity, protocol,call type
Unified CM server capacity is based on server model type
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http://www.cisco.com/partner/WWChannels/technologies/resources/CallManager/
Cisco Unified CommunicationsManager Capacity Tool
Select the Unified CC Expressoption
Enter information
2 output tables are available:
Minimum number of Subscribers(not considering redundancy) perserver type
Recommended cluster configuration
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Contact CenterExpress ServerSizing and Selection
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Automatic Speech
Recognition
IVR/CTIPorts
Recording/
Monitoring
Historical
Reporting
Agents
Text To Speech
Mydoc
.txt
Good
Morning
Cisco Unif ied Contact Center ExpressServer Sizing
Unified CC Express server resources are defined by servermodel type:
CPU, memory, disk configuration
Server resource consumption depends on:
Agents, IVR ports, Historical Reporting, Recording/Monitoring, ASR/TTS,
Unified CC Express server capacity is based on server model type
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http://www.cisco.com/en/US/partner/products/sw/custcosw /ps1846/prod_how_to_order.html
Unified CC Express Configuration Tool
Enter info such as:
HA/non-HA deployment
Number of seats forinbound, outbound,WFM, QM...
Number of simultaneousrecording, monitoring,historical reporting
session Server type for Unified
CC Express, WFM,QM, etc
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MCS-7845
Call Duration> 3 min
MCS-7845
Call Duration< 3 min
Other MCSservers
Number of Agents 300 150 75
Number of Supervisors 32 30 10
Number of IVR Ports 300 300 150
Number of Recording sessions 32 32 16
Number of Monitoring sessions 32 30 10
Unified CC Express Server Capacityand Limits
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http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_compat ibi lit y/mat ri x/cr sco mtx.pd f
Interoperability Check
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Bandwidth Sizingand Network Impact
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Headquarters Data Center Remote Branch Call Center Agents
IP VoiceTDM VoiceCall Control
and CTI Data
PSTN
IP WAN
CAD Desktops
CAD Desktop Bandwidth
# of IP
Phones
10 Calls 20 Calls 30 Calls
1 to 10 1.6 Kbps 1.6 Kbps 1.6 Kbps
20 3.2 Kbps 3.2 Kbps 4.0 Kbps
30 4.0 Kbps 4.8 Kbps 5.6 Kbps
50 7.2 Kbps 8.0 Kbps 9.6 Kbps
IPCC bandwidth calculators:http://www.cisco.com/univercd/cc/td/doc/product/icm/bandcalc/index.htm
Unified
CC ExpressUnified CM
Cluster
WAN Bandwidth ProvisioningSignaling/Call Control for CAD Desktop
Based on the following assumptions:
Skill per agent: 10
State changes per agent per hour: 10
Team Messages per team per hour: 8
Chat messages sent/received per hour: 20
Average chat message size (bytes): 40
Transfer calls: 10%
Conference calls: 15%
Bandwidth # is the minimumrequirement
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CODECSampling
Rate
VoicePayload in
Bytes
Bandwidth
w/o Layer 2
Bandwidthwith
Ethernet(14 Bytesof Header)
Bandwidthwith Frame
Relay(4 Bytes of
Header)
G.711 20 Msec 160 80 Kbps 85.6 Kbps 81.6 Kbps
G.711 30 Msec 240 74 Kbps 78.4 Kbps 75.7 Kbps
G.729A 20 Msec 20 24 Kbps 29.6 Kbps 25.6 Kbps
G.729A 30 Msec 30 18 Kbps 22.4 Kbps 19.7 Kbps
Headquarters Data Center Remote Branch Call Center Agents
IP VoiceTDM VoiceCall Control
and CTI Data
PSTN
IP WAN
CAD Desktops
Unified
CC ExpressUnified CM
Cluster
WAN Bandwidth ProvisioningWAN VoIP Bandwidth Provisioning
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WAN Bandwidth ProvisioningDesktop Monitoring
Traffic Flows with Desktop Monitoring Voice RTP Streams are sent from CAD to the Supervisor and/or the
Recording Server
Each Monitoring or Recording traffic includes 2 RTP streams sent from the AgentDesktop (1 RTP stream for each direction)
RTP Traffic through the WAN: 1 for the original call, 2 for the recording session, 2for the silent monitoring requested by the supervisor at the main site: Total of 5 RTPstreams from the remote branch to the main site
Remote Branch Call Center Agents
CAD Desktops
Headquarters Data Center
CSD CSDCAD
Recording/MonitoringServer
Monitoring
Recording
PSTN
IP VoiceTDM Voice
IP WAN
Unified CCExpressUnified CM
Cluster
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CAD Desktops
WAN Bandwidth ProvisioningSPAN Port Monitoring
Traffic Flows with SPAN Port Monitoring Expansion server for the SPAN Port Monitoring service available in CRS 4.0/4.1.
Recommended to monitor or record agents using IPPA or with phones lower than the 7940.
Voice RTP Streams are sniffed by the SPAN Port Monitor Server and sent to the Supervisor
and/or the Recording Server Each Monitoring or Recording traffic includes 2 RTP streams sent from the SPAN Monitor
Server (1 RTP stream for each direction)
RTP Traffic through the WAN: 1 for the original call, 2 for the recording session, 2 for the silentmonitoring requested by the supervisor at the main s ite: Total of 5 RTP streams from the remotebranch to the main site
Remote Branch Call Center AgentsHeadquarters Data Center
SPAN Port Monitor
Server
CSD CSDCAD
Recording/MonitoringServer Monitoring
Recording
PSTN
IP Voice
TDM Voice
IP WAN
Unified CC
ExpressUnified CMCluster
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CAD Desktops
WAN Bandwidth ProvisioningExample
CC Express servers and Cisco CallManager located at data center
Agents and Supervisors located at remote branch
1 Agent Silent Monitoring and 1 agent Recording
Voice Gateway located at the Headquarter site
Desktop Monitoring, Recording/Monitoring server located at the main site
Remote Branch Call Center AgentsHeadquarters Data Center
CSD CSDCAD
Recording/MonitoringServer
Monitoring
Recording
PSTN
IP VoiceTDM Voice
IP WAN
Unified CCExpressUnified CM
Cluster
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Number of Agents in Branch = 10 Agents
Number of Calls per Agent per Hour (BHCA) = 30 Calls
Voice Traff icRTP (EF)
BW for 10 Simultaneous Calls (G.729) = 10 x 24 Kbps = 240 Kbps
CAD and Call Control Traffic (CS3)
BW for CTI/Call Control per 10 Agents and 30 Calls = 1.6 Kbps
Total L3 BW for Unif ied CC Express = 240 + 7 + 1.6 + 48 = 296.6 Kbps
Voice Signaling Traffic(CS3)
BW for Voice Signaling per 10 Phones and 30 Calls = 7 Kbps
Kbps Values from WAN Provisi oning Tables for:
CAD Desktop Monitori ng/Recording Voice Traffic RTP(EF)
BW for Monitor ing = 0kbps, BW for record ing 1 agent = 2x24 kbps = 48 Kbps
Headquarters/DataCenter
UnifiedCC Express
RemoteBr anch Call CenterAgents
IP Voice
TDMVoice
Call Controland CTIData
PSTN
IP WAN
CallManagercluster
Cisco AgentDesktops (CAD)
WAN Bandwidth ProvisioningExample
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Contact CenterExpress ApplicationDevelopment
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Why Does the Application Matter?
Step Objects
Integration into 3rd Party Applications
Agent Desktop
XML Backend
HTTP/HTTPS
JDBC
Adjunct Design for Workforce Management, Email, Outboundfunctions
Feeds Into Sizing of Infrastructure
Maps to the Type of Licensing Required To Support the Operation
What Aspects of CC Express Meet or Not Meet SpecificOperational Requirements
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Call Routing Techniques
Route to Contact Service Queue (CSQ)
Enforces agent (resource) selection rules
Determines which agent to get call, advises script
Manages queue when agents are not available
Route to Agent (Premium Only)
Selects a specified agent
Script determines agent, delivers call on Unified CC Expressextension if agent is ready
System does not queue for agent
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Agent Selection Criteria
Available to all license options: Resource Groups
Linear: Selects the next available agent in the resourcegroup from the top of the resource available (agent) list
Circular: Selects the next available agent in a resourcegroup in circular order
Longest Available: Selects the agent who has been in readystate longest
Most Handled Contacts: Selects the agent who hasanswered the most handled calls
Shortest Average Handle Time: Selects the agent whogenerally spends the least amount of time talking tocustomers
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Agent Selection Criteria (Cont.)
Enhanced and Premium license options:Resource Skills
Most Skilled: Selects the agent with the highest totalcompetency level and who has been available for thelongest amount of time
Most Skilled by Order: Selects the agent with thehighest total competency level in the ordered list
Most Skilled by Weight: Selects the agent with thehighest total competency level multiplied by the skillsassociated weight
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Agent Selection Criteria (Cont.)
Least Skilled: Selects the agent with the lowest totalcompetency level and who has been available for thelongest amount of time
Least Skilled by Weight: Selects the agent with thelowest total competency level multiplied by the skillsassociated weight
Least Skilled by Order: Selects the agent with thelowest total competency level in the ordered list
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Basic Script Flow Overview
Prompt and collect portion ofscript determines:
Callers objectives via DNIS,menu, etc.
CSQ to be used
Layout list to be used forEnterprise Data window
Select Resource step startsagent selection process for a
specific CSQIf an agent is selected, EnterpriseData is set using Set EnterpriseCall Info step and agent isconnected
Queue Treatment Until Delivered
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CAD Capabili ties
One-window desktop
Log into system
Change or manipulateagent states
Call/chat with otheragentsor supervisor
Monitor call status
Enter Reason Codes
Pre-defined task buttons
Built-in soft phone
Task bar icon showsagent state
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Agent Interface
One-windowdesktop,two views
Show ContactManagement
Hide ContactManagementsaves desktopspace
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Agent Interface Defined
ActiveCall Data
TeamPerformanceMessage
EnterpriseData Status Bar
CallControl,
ACD State
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Supervisor Interface Defined
Menu Bar
Dockingwindows
Real-timedisplay,tabularand
graphicSkill Tree
AgentTree
IntegratedBrowser
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CC Express 5.X:Integrated Web Browser
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Planning and Design Deliverablesfor Contact Center Express
Physical equipment bill of materials
Application functional specification
Voice and data network design
Reconcile against input collateral from yourstakeholders
Gap analysis against feature requirements, adjunct
integration, etc.
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Q and A
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Join the Cisco Contact CenterUser Group
Membership is exclusively for customers using Ciscocontact center solutions
Exchange tips and best practices on the use of theCisco Customer Contact products with peers
Establish two-way communications with Cisco'sCustomer Contact Business Unit
Access monthly webcasts, quarterly newsletters,discussion threads and much more
Join today at www.ccusergroup.com (Membershipis free!)
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Recommended Reading
Continue your Cisco Livelearning experience with furtherreading from Cisco Press
Check the RecommendedReading flyer for suggestedbooks
Available Onsite at the Cisco Company Store
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CD desktop feature matrix
http://www.cisco.com/en/US/prod/collateral/voicesw/custcosw/ps5693/ps427/product_data_sheet0900aecd8043899b.xls
Design guides (all versions)
http://www.cisco.com/en/US/products/sw/custcosw/ps1846/products_implementation_design_guides_list.html
Script repository
http://www.cisco.com/en/US/prod/collateral/voicesw/custcosw/ps5693/ps1846/prod_architecture0900aecd80179234.zip
SWHW comptability guide
http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_compatibility/matrix/crscomtx.pdf
IPCC server best practices
http://www.cisco.com/en/US/products/sw/custcosw/ps1001/products_tech_note09186a00808160f4.shtml
Ipcc config guides
http://www.cisco.com/en/US/products/sw/custcosw/ps1846/products_installation_and_configuration_guides_list.html
IPCC developer guides
http://www.cisco.com/en/US/products/sw/custcosw/ps1846/products_programming_reference_guides_list.html
End user guides
http://www.cisco.com/en/US/products/sw/custcosw/ps1846/products_user_guide_list.html
Troubleshooting guides
http://www.cisco.com/en/US/products/sw/custcosw/ps1846/prod_troubleshooting_guides_list.html
Ipcc standard resource calc
http://tools.cisco.com/partner/ipccal/servlets/IPTelCalcStandard.jsp
Advanced IPC resource cacl
http://tools.cisco.com/partner/ipccal/servlets/IPTelCalcAdvanced.jsp
Call center terms
http://www.thecallcenterschool.com/Call
Erlang C Calculator
http://www.erlang.co.uk/ccc.htm
Erlang B Calculators
http://mmc.et.tudelft.nl/~frits/Erlang.htm
Traffic and Queuing Basics
http://www.cisco.com/univercd/cc/td/doc/cisintwk/intsolns/voipsol/ta_isd.htm#25672
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Complete Your OnlineSession Evaluation
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Complete your session evaluation online now(open a browser through our wireless networkto access our portal) or visit one of the Internetstations throughout the Convention Center.
Dont forget to activateyour Cisco Live virtualaccount for access toall session materialon-demand and returnfor our live virtual eventin October 2008.
Go to the CollaborationZone in World ofSolutions or visitwww.cisco-live.com.
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