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Gateways

Describe Call Legs and Dial Peers

Call Legs and Dial Peers Overview

Dial Peer Types

VoIP Dial Peer

Use of String Matching

Matching Inbound Dial Peers (Cont.)

Default Dial Peer (Cont.)

Matching Outbound Dial Peers (Cont.)

Call Processing in Voice Gateways

Call Processing in Voice Gateways (Cont.)

Call Leg / Dial Peer Examples

Call Leg / Dial Peer Examples (Cont.)

CUCM Architecture

Campus Deployment

Distributed: Multisite with Distributed Call Processing

Clustering over the WAN

Describe the Cisco Unified CM Cluster Services

Clusters – Publisher Replication

Clusters – User Facing Features (UFF)

Define Network Services for Collaboration

Network Services: NTP

Network Services: DHCP

Network Services: DNS

Cisco Unified Communications Manager can use DNS names (default) or IP

addresses for system addressing.

Advantages of Using IP Addresses Advantages of Using DNS

Does not require a DNS server. Simplifies management because of the use of names

instead of numbers.

Prevents the IP telephony network from failing when

the DNS server is unavailable.

Easier IP address changes because of name-based

IP paths.

Decreases the amount of time required when a

device attempts to contact the Cisco Unified

Communications Manager server.

Server-to-IP phone NAT possible

Simplifies troubleshooting Possibility to have redundant IP phone services

Network Services: TFTP

Cisco Discovery Protocol and LLDP-MED Protocols

Lightweight Directory Access Protocol

Explore Cisco Unified CM Groups

Unified CM Group – Load Sharing

CUCM Phone Settings

▪ Phone NTP Reference

▪ Date/Time Group

▪ Device Pool

– Cisco Unified CM Group

– Region

– Location

▪ Enterprise Phone Configuration

▪ Softkey Template

▪ Phone Button Template

▪ SIP Profile

▪ Common Phone Profile

Phone Settings

Phone NTP Reference ensures that a Cisco IP

SIP phone gets its date and time from the NTP

server. If NTP servers do not respond, the

Cisco IP SIP phoneuses the date header in

the 200 OK response.

Phone NTP Reference and Date/Time Group

▪ Date/time groups define time zones for devices that are connected to Cisco Unified Communications Manager.

▪ Date/time group is assigned to the device pool.

▪ The device pool is assigned to the device.

▪ Device pools define sets of commoncharacteristics for devices.

▪ The device pool structure supports the separation of user and location information.

▪ The device pool contains only device-and location-related information.

Device Pool

▪ A Cisco Unified Communications

Manager Group specifies a

prioritized list of up to three Cisco

Unified Communications Manager

servers.

▪ The first Cisco Unified

Communications Manager in the list

serves as the primary Cisco Unified

Communications Manager for that

group, and the other members of

the group serve as secondary and

tertiary (backup) Cisco Unified

Communications Manager servers.

Cisco Unified CM Group

▪ Use regions to specify the bandwidth that is used

for an audio or video call within a region and

between regions by codec type.

▪ The audio codec determines the type of

compression and the maximum amount of

bandwidth that is used per audio call.

Region and Location

▪ Use locations to implement CAC in a

centralized call-processing deployment.

▪ CAC enables you to regulate audio quality and

video availability by limiting the amount of

bandwidth that is available for audio and video

calls.

▪ In the Enterprise Phone

Configuration window,

parameters can be configured

that will apply to all phones

that support these parameters.

▪ Select the "Override Common

Settings" box for each setting

you wish to update. If you do

not check this box, the

corresponding parameter

setting does not take effect.

Enterprise Phone Configuration

▪ Phone NTP Reference

▪ Date/Time Group

▪ Device Pool

– Cisco Unified CM Group

– Region

– Location

▪ Enterprise Phone Configuration

▪ Softkey Template

▪ Phone Button Template

▪ SIP Profile

▪ Common Phone Profile

Phone Settings

Softkey template configuration allows the

administrator to configure softkey layouts

that are assigned to Cisco Unified IP

phones.

Choose Configure Softkey

Layout to configure the softkey

layout.

Softkey Template

1. Choose the

phone state.

2. Assign softkeys

for the selected

phone state.

Phone button templates specify how the phone buttons of a Cisco IP phone should be used.

Options include lines, speed dials, and functions such as callback, Call Pickup, etc. Each Cisco

IP phone has one phone button template assigned.

Phone Button Template

A SIP profile comprises the set of SIP attributes that

are associated with SIP trunks and SIP endpoints.

SIP profiles include information such as name,

description, timing, retry, Call Pickup URI, etc.

SIP Profile and Common Phone Profile

Common phone profiles include phone configuration

parameters and are assigned to IP phones.

Adding Endpoints

IP Phone Boot up Process - Step 1

PoE Evolution

PoE - 7800 / 8800 Series Power RequirementsIP Phone Class 1

(4W / 3.84W)

Class 2

(7W / 6.49W)

Class 3

(15.4W / 12.49W)

Class 4

(30W / 25.5W)

7800 Series 7811 7832

7821 Conference

7841 Phone

7861

8800 Series 8811 8831 Conference 8851

8841 Phone 8861

8845 8832 Conference 8865

Phone

PoE - Power BudgetIOS-356QC-POD# show power inline

Available:240.0(w) Used:29.5(w) Remaining:210.5(w)

Interface Admin Oper Power Device Class Max

(Watt)

Gi0/1 auto on 14.7 IP Phone 8865 4 30.0

Gi0/2 auto on 14.7 IP Phone 8865 4 30.0

Gi0/3 auto off 0.0 n/a n/a 30.0





Gi0/8 IOS-3560C-POD#

IP Phone Boot up Process - Step 2 to 4

Describe IP Network Settings

IP Settings - DHCP

IP Settings - Static

IP Phone Initialization

Configuration Methods and ToolsMethod for Adding IP Phones Advantages Disadvantages

Auto Registration Devices

automatically

added

• Default settings, random DN

• Modifications needed

Bulk Administration Tool (BAT) Bulk add • MAC addresses required in BAT files

Manual configuration Simple • MAC addresses required

• Time-consuming

Cisco Self-Provisioning • Ease of use

• End users can

provision

themselves

• Administrator

can provision

for the end user

• Create universal device templates,

universal line template, user profiles, and

feature group template

• Configure Auto Registration

• Create CTI route point for the IVR Service

• Activate the IVR Service on the publisher

• Populate the Self-Service ID using LDAP,

BAT, or manually

Managing Users

User Account Creation

Access Control Group

Design Example

Passwords

Password

Examples

Description

Cisco135! Must contain three of the four

allowable characteristics:

uppercase character,

lowercase character, number,

symbol

C1$c0000 Must not use a character or

number more than three times

consecutively

20012001 Must not repeat or include the

alias, username, or extension

number

654321 or

ABCDEF

Cannot consist of consecutive

characters or numbers

PINs

Invalid PIN

Examples

Description

2011165 Must not use the same number

more than two times consecutively

2001 Must not repeat or include the user

extension or mailbox, or the

reverse of the user extension or

mailbox

121212 Must contain three different

numbers

24726 (cisco) Must not match the numeric

representation for the first or last

name of the user (Not dial by

name) or company name

408408

2580 or 159

or 753

Must not contain groups of

repeated digits or patterns that are

dialed in a straight line on a keypad

What Is Directory Integration?

Cisco Unified Communications Manager User AccountsEnd Users Application Users

Association Individual User Application

Interactive Login Yes No

Use User Features and Administrator Login Application Authorization

User Directory Included Not Included

LDAP Yes No

Cisco Unified Communications Manager LDAP Support

Call Routing

Call Routing Components and Functions: Path Selection

Call Routing Components and Functions: Digit Manipulation

Call Routing Components and Functions: Calling Privileges

Call-Routing Steps

Sources of Call-Routing Requests (Entities Requiring Call-Routing Table Lookups)

Call-Routing Table Entries (Call-Routing Targets)

Cisco Unified Communications Manager Call-Routing Logic

Exclamation Point (!) Wildcard

Urgent Priority

Path Selection

Path Selection: Configuration Elements

Route Groups

Route List

Local Route Group

Route Pattern: Commonly Used WildcardsWildcard Description

X Single digit (0–9, *, #)

@ NANP (North American Numbering Plan)

! One or more digits (0–9)

[x-z] Generic range notation

[^x-z] Exclusion range notation

# Terminates inter-digit timeout

<wildcard>? Matches zero or more occurrences of any digit that matches the wildcard

<wildcard>+ Matches one or more occurrences of any digit that matches the wildcard

\+ Matches the + sign as part of a number; used for globalized E.164 call routing

Route Pattern

Digit Manipulation in Cisco Unified Communications ManagerCall Type Requirement

Internal to PSTN Expand calling-party directory number to PSTN number.

Internal to PSTN Strip PSTN access code 9.

Internal to internal Expand abbreviated number (e.g., 0 for operator).

PSTN to internal Convert PSTN called-party directory number to internal number.

Internal to internal

PSTN to internal

Overlapping endpoint directory numbers exist.

Digit Manipulation in Cisco Unified Communications Manager (Cont.)

PSTN Access Digit Manipulation Example

Step Description

1 Extension 1005 dials 913035556007.

2 Dialed number matches 9.!. route pattern configured with the following:

• Called-party transformations > Discard digits: PreDot

• Calling-party transformations: 40855530XX

3 Cisco Unified Communications Manager strips off (discards) digit 9 from the dialed number and

sends 13035556007 to PSTN via the Gateway, after modifying the calling-party number from 1005

to 408 5553005.

4 The PSTN phone 303 5556007 rings and sees 408 5553005 as the calling number.

Digit Manipulation Flow Example (Incoming Call from PSTN)

Step Description

1 PSTN phone dials 14085553010; PSTN switch routes the call to the gateway and Cisco Unified CM.

2 • Incoming called dialed number matches 40855530XX translation pattern, configured as follows:

– Called-party transformation > Called-party transform mask: 10XX

– (Optional) Calling-party transformation > Prefix digit: 91

3 • Cisco Unified CM translates 408 5553010 to 1010.

• Cisco Unified CM looks up 1010 and finds a registered phone with that directory number.

4 Cisco Unified CM presents the call to extension 1010. The Cisco Unified CM optionally (see Step 2)

prefixes the calling number with 91 to allow the internal user to call back the PSTN caller from an IP

phone via the Directory button.

CoS Configuration ElementsCall Privilege Element Characteristics

Partitions Defines a group of numbers (directory numbers,

route patterns, translation patterns, etc.) with similar

reachability characteristics.

Calling Search Spaces (CSS) Defines which partitions are accessible to a particular

device.

Time Schedules and Time Periods Allows certain partitions to be reachable only during

a certain time of the day.

Client Matter Codes (CMC) Tracks calls to certain numbers.

A user must enter a client code to track calls to

certain clients.

Forced Authorization Codes (FAC) Restricts outgoing calls to certain numbers.

A user must enter an authorization code to reach the

number.

Partitions

Calling Search Spaces

Partitions and Calling Search Spaces

Partitions and Calling Search Spaces (Cont.)

Call Privileges ExampleCalling Privilege Class (CoS) Allowed Destinations

Internal Internal

Emergency

Local Internal

Emergency

Local PSTN

Long Distance Internal

Emergency

Local PSTN

Long Distance PSTN

International Internal

Emergency

Local PSTN

Long Distance PSTN

International PSTN

Time-of-Day Routing

Time Period and Time Schedule

ToD Routing Example

Client Matter Code

CMC Call: Successful Call

CMC Call: Call Failure

Forced Authorization Code

FAC Example

FAC Call: Successful Call

FAC Call: Call Failure

Media Resources

Media Resources Overview• Media Resources perform media-processing functions on the media streams

Describe Digital Signal Processors

Media Resource Signaling and Media Streams

Audio Conferences

Transcoders

Media Termination Points

Annunciators

Music on Hold

Media Resource Access Control

Components of Media Resource Access Control

Media Resource Access Control Example

Conference Bridge Selection

Media Resource Access Control Configuration

Annunciator Support in Cisco Unified Communications Manager• The annunciator streams spoken messages and various call-progress tones.

Annunciator Features

Annunciator Server Capacity

Annunciator Configuration Procedure

MOH Support in Cisco Unified Communications Manager

MOH Sources

MOH Server Capacity

Unicast MOH

Multicast MOH

MOH Audio Source Selection

MOH Configuration

Cisco Unified Communications Manager Audio Conference Bridge

Cisco IOS Conference Bridge

Media Termination Points

MTP Types

Transcoder

MTP Functions and Requirements

MTP Usage with SIP Trunks

Early Offer Support for Voice and Video Calls Mandatory (Insert MTP If Needed)

Early Offer Support for Voice and Video Calls Best Effort (No MTP Inserted)

MTP Configuration Procedure

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