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Implementing Media Resources, Features, and Applications

Configuring Presence-Enabled Speed Dials and Lists

© 2008 Cisco Systems, Inc. All rights reserved. CIPT1 v6.0—5-2

Outline

Presence Overview

Presence Support in Cisco Unified Communications Manager

Presence Configuration

Presence Policies

Presence Policy Configuration

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Presence Overview

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Cisco Unified Presence Solutions

Multiple options to integrate presence: Cisco Unified Communications Manager Presence

– Speed-dial presence

– Call history presence

– Presence policy

Cisco Unified Presence Server

– User status information

– Cisco IP Phone Messenger application

– Cisco Unified Personal Communicator

– Third-Party Presence Server Integration

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Cisco Unified Communications ManagerPresence Characteristics

Natively supported by Cisco Unified Communications Manager Allows an interested party (a watcher) to monitor the real-time status of

a directory number (a presence entity) Watcher subscribes to status information of the presence entity Watcher can show the status of a presence entity using:

– Presence-enabled speed dials

– Presence-enabled lists (call and directory lists) Three possible states of watched directory number:

– Entity is unregistered

– Entity is registered—on-hook

– Entity is registered—off-hook

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Cisco Unified Communications ManagerPresence Operation

2. Bryan’s phone goes off-hook

Off-hook

Line 5697 is busy

1. John has subscribed for status of Bryan’s phone

3. Information about Bryan’s phone is sent to John’s phone

4. John’s phone shows Bryan’s phone in off-hook state

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Presence Support in Cisco Unified Communications Manager

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Cisco Unified Communications ManagerSupport for Presence

Directory numbers (lines) of Cisco IP phones can be watched

– By Cisco IP phones

– By SIP devices through a SIP trunk

Directory numbers (lines) of Cisco IP phones, and endpoints that are reached via SIP trunks, can be watched by the following:

– Cisco IP phones

– SIP devices through a SIP trunk

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Presence status can be seen on speed-dial buttons, call lists and directories.

Watching Presence Status on Cisco IP Phones

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Cisco IP Phones That Support Viewing Presence Status

Cisco Unified IP Phone

Models

Presence-Enabled Speed Dials Support

Presence-Enabled Call and Directory Lists Support

794[125], 796[125], 797[015]

SIP and SCCP Yes Yes

7914, 7940, 7960SCCP

Yes No

7914, 7940, 7960SIP

No No

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Presence Configuration

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Cisco Unified Communications ManagerPresence Configuration Procedure

To enable presence-enabled speed dials:1. Customize phone button templates to include presence-enabled speed-dial

buttons

2. Apply phone button templates to phones

3. Configure presence-enabled speed-dial buttons

4. Apply subscribe CSS to phones

To enable presence-enabled call lists: Enable the BLF For Call Lists enterprise parameter

To allow presence subscriptions through SIP trunks: Enable Cisco Unified Communications Manager Presence on SIP trunks

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Step 1: Customizing Phone Button Templates

Configure presence-enabled speed-dial buttons in phone button

template

Device > Device Settings > Phone Button Template

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Step 2: Applying the Phone Button Template to IP Phones

Assign phone button template to phone

Device > Phone

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Step 3: Configuring Presence-Enabled Speed Dial Buttons

At the phone configuration page, click links to add a

presence-enabled speed dial.

Device > Phone

Enter presence-enabled speed-dial configuration: presence

entity to watch and label to be displayed on phone

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Enabling Presence-Enabled Call Lists

System > Enterprise Parameters

Enable presence-enabled call lists

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Enabling Presence on SIP Trunks

System > Security Profile > SIP Trunk Security Profile

Configure SIP Trunk Security Profile for

presence

Configure SIP Trunk Security Profile for

presence

Assign SIP Trunk Security Profile to

SIP Trunk

Device > Trunk

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Presence Policies

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Limiting Presence Visibility

Cisco Unified Communications Manager Presence offers different ways to limit visibility of presence information: Presence-enabled speed dials

– Are statically configured by Cisco Unified Communications Manager Administrator (cannot be configured by users)

– Subscribe Calling Search Space and (standard) partitions

Presence-enabled call and directory lists

– Subscribe Calling Search Space and (standard) partitions

– Presence groups

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Subscribe CSS and Partitions

Separate CSSsare applied for calling privileges and presence: the (standard) CSS for calling privileges and a subscribe CSS for presence.

A subscribe CSS is applied to a watcher: a SIP trunk, a phone, or an end user.

The subscribe CSS determines which presence entities a watcher is allowed to monitor.

Similar to with traditional CSSs, a presence entity can only be watched if the watcher has the presence entity’s partition in its subscribe calling search space.

The (standard) partition that is applied to a line or a route pattern referring to a trunk is used for both calling privileges and presence.

If no partition is applied to a line or route pattern, it is available to all watchers.

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Subscribe CSS and Partition Considerations

Presence policies and calling privileges share some configuration settings:

– Partitions on lines and route patterns Implementing presence policies impacts calling privileges and

vice versa

– Any changes to partition configuration affects calling privileges (standard CSSs) and presence policies (subscribe CSSs)

Design and implementation of calling privileges and presence policies have to be performed together!

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Subscribe CSS and Partition Considerations – Sample Scenario

Baseline configuration does not include any partitions (no calling privileges and no presence policies are in place).

If partitions and (standard) CSSs are implemented for calling privileges, subscriptions will fail:

– Lines and route patterns now have partitions.

– Devices (phones and trunks) do not have subscribe CSSs If partitions and subscribe calling search spaces are implemented

for presence policies, calls will fail:

– Lines and route patterns now have partitions.

– Devices (phones, lines, and trunks) do not have CSSs.

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Presence Policy Example – Subscribe CSS

SIP

Route Pattern: 8.1003Partition: P-3

SIP Trunk:Subscribe CSS: C-3Presence Group: G-3

(CSS) 1003

Line: 1001Partition: P-1

Presence Group: G-1(CSS)

Phone1:Presence Group: G-2Subscribe CSS: C-1

(CSS)

Line: 1002Partition: P-2

Presence Group: G-2(CSS)

Phone2:Presence Group: G-2Subscribe CSS: C-2

(CSS)

Calling Search Spaces:

C-1: P-1, P-2C-2: P-1, P-2, P-3

C-3: P-1

Effective Permissions:

Phone1 to 1002: permittedPhone1 to 1003: denied

Phone2 to 1001: permittedPhone2 to 1003: permittedPhone3 to 1001: permitted

Phone3 to 1002: denied

Phone1

Phone2 Phone3

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Presence Groups

Presence groups can be used to implement presence policies: Watchers and presence entities are put into presence groups. Subscriptions are permitted within presence groups. Subscriptions can be allowed or denied between presence groups.

– Permission can be configured independently for each direction IP phones have separate presence groups.

– Line presence group (presence entity)

– Phone presence group (watcher) SIP trunks have only one presence group.

– used for both watcher and presence entity Presence groups only apply to presence-enabled call lists – they do not apply

to presence-enabled speed dials

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Presence Policy Example – Presence Groups

SIP

Route Pattern: 8.1003Partition: P-3

SIP Trunk:Subscribe CSS: C-3Presence Group: G-3

(CSS)

Line: 1001Partition: P-1

Presence Group: G-1(CSS)

Phone1:Presence Group: G-2Subscribe CSS: C-1

(CSS)

Line: 1002Partition: P-2

Presence Group: G-2(CSS)

Phone2:Presence Group: G-2Subscribe CSS: C-2

(CSS)

Presence Groups:G-2 to G-3 permitted G-3 to G-1 permitted

Rest deniedPhone1

Phone2 Phone3

1003

Effective Permissions:

Phone1 to 1002: permittedPhone1 to 1003: permitted

Phone2 to 1001: deniedPhone2 to 1003: permittedPhone3 to 1001: permitted

Phone3 to 1002: denied

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Interaction of Presence Groups and Partitions and Subscribe CSSs

Presence groups, partitions, and subscribe CSSs can be combined. Both have to permit subscription for successful watching

Provides 2 levels of hierarchy – useful in larger deployments

Example:

– Requirements:

No subscriptions are allowed across departments.

Within a department, managers can only be watched by their assistants.

– Solution:

Use one presence group per department.

Deny inter-presence group subscriptions.

Include manager partition only in the subscribe CSS of their assistant.

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Presence Policy Configuration

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Unified CM Presence Policies Configuration Procedure

To implement presence policies based on partitions and CSSs:1. Configure partitions and CSSs

2. Assign partitions to lines and route patterns

3. Assign subscribe CSSs to phones and trunks

To implement presence policies based on presence groups:1. Configure presence groups

2. Set the default inter-presence group policy

3. Assign presence groups to lines, phones, and SIP trunks

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Step 3: Assigning Subscribe Calling Search Spaces to Phones and SIP Trunks

Device > Trunk

Apply Subscribe CSS to trunks and

phones

Device > PhoneApply Subscribe CSS to trunks and

phones

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Step 1: Configuring Presence Groups

Enter Name and Description for

presence group System > Presence Group

Permission to unlisted presence

groups is determined by service parameter

For individual configuration towards another presence group, select destination presence group and select type of permission For individual configuration, select presence group and set

permission for subscriptions towards selected presence group

Individually configured

permission towards listed presence group

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Step 2: Setting the Default Inter-Presence Group Policy

The Default Inter-Presence Group Subscription specifies the system default for presence subscriptions towards presence groups for which no explicit permission has been configured.

Set the Default Inter-Presence Group

Subscription

System > Service Parameter (Cisco CallManager)

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Step 3a: Assigning Presence Groups to Lines and Phones

Device > Phone

Call Routing > Directory Number

Assign presence group to directory

number (in presence entity role)

Assign presence group to phone (in subscriber role)

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Step 3b: Assigning a Presence Group to a SIP Trunk

Device > Trunk

Assign presence group to SIP trunk

The presence group configured on a SIP trunk applies to both subscriptions being sent out and being received on the trunk.

Same presence group is used in subscriber and

presence entity role

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Summary

Cisco Unified Communications Manager Presence allows lines or endpoints reachable through SIP trunks to be monitored for their status (on-hook versus off-hook).

Most IP phones support presence-enabled speed dials; type B Cisco IP phones using SIP also support presence-enabled call and directory lists.

Cisco Unified Communications Manager Presence configuration includes implementing presence-enabled speed dials and enabling presence-enabled call and directory lists.

Cisco Unified Presence policies can be applied for controlling presence subscriptions.

Cisco Unified Communications Manager Presence policy configuration includes implementing partitions and subscribe calling spaces and presence groups.

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