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Seven steps are required to prepare CUCM to integrate with a Cisco Unity voice-mail
system using SCCP, as follows:
Step 1 Configure MWI On and MWI Off.
Step 2 Configure the voice-mail ports.
Step 3 Configure the line group.
Step 4 Configure the hunt list.
Step 5 Configure the hunt pilot.
Step 6 Configure the voice-mail pilot.
Step 7 Configure the voice-mail profile.
U
IP
IP
V
VM Port VM-VI4:
...
MWI 8809:
Type: Off
Partition: MWI
CSS: Phones_css
MWI 8808:
Type: On
Partition: MWI
CSS: MWI_css
Phone MAC:
CSS: (None)
Line 2001:
VM Profile: VM-1
Partition: Phones
CSS: Phone_css
VM Port VM-VI1:
CSS: (None)
DN 8801:
(Partition: VM-Ports)
CSS: From_VM_css
Message Notification or
Call Transfer to:
DN/Route Pattern
Partition
Voice Mail
472 Chapter 18: Voice-Mail System Integration
Creating MWI
To add message-waiting numbers, follow these steps:
Step 1 In CUCM Administration, go to Voice Mail > Message Waiting and
click Add New.
Step 2 Configure a message-waiting number and description and set the MWI
to On.
Step 3 Repeat the preceding step to create a message-waiting number for MWI
Off using a unique number.
The MWI On configuration is displayed in Figure 18-8. A partition at a message-waiting
number specifies what devices are allowed to dial the MWI number. Voice-mail ports are
the only devices that should be dialing the MWI On or MWI Off codes. The CSS at the
voice-mail ports must include the partition of the MWI numbers.
Figure 18-8 MWI On Configuration
Adding Voice-Mail Ports
To add voice-mail ports, follow these steps:
Step 1 In CUCM Administration, go to Voice Mail > Cisco Voice Mail Port,
and click Add New.
Step 2 Configure the voice-mail port with a port name and description and select
a device pool. The port name must have a suffix of VIx, where x is a
number starting with 1 for the first voice-mail port and incrementing by
1 for each additional port.
NOTE Steps 2 and 3 can be performed by using the Cisco Voice Mail Port wizard. The
Cisco Voice Mail Port wizard allows quick configuration of a high number of voice-mail
ports by specifying the number of voice-mail ports to be created. The voice-mail ports
are added and assigned to a line group. All other steps have to be performed manually.
You can access the Cisco Voice Mail Port wizard from Voice Mail > Cisco Voice Mail
Port Wizard.
Integrating CUCM with a Cisco Unity Voice-Mail System 473
Step 3 Set the device security mode.
Step 4 Enter a DN for the voice-mail port.
Step 5 Repeat the preceding steps to configure additional voice-mail ports.
The CSS of a voice port is composed of a device and line CSS. The combined CSS must
allow calls to subscriber phones and any other number where the voice-mail system may
perform message notification. These can be internal phone DNs, route patterns, MWI
numbers, or any dialable PSTN pattern for message notification. Figure 18-9 shows the
Voice-Mail Port Configuration window.
Adding a Line Group
To add a line group with voice-mail ports, follow these steps (as illustrated in Figure 18-10):
Step 1 In CUCM Administration, go to Call Routing > Route/Hunt > Line
Group, and click Add New.
Step 2 Enter a name for the line group, select the top-down distribution algorithm,
and add the previously configured voice-mail ports to the line group.
NOTE The device security mode is a mandatory parameter and does not have a default
value. Therefore, it must be selected. If the CUCM cluster has not been enabled for
security, the device security mode must be set to Non Secure Voice Mail Port for the
voice-mail port to function correctly. To enable security in the CUCM cluster, additional
hardware products (security tokens) have to be purchased, and the cluster has to be
configured for secure operation. More information about how to enable security in a
CUCM cluster is provided in Cisco Unified Communications IP Telephony, Part 2.
NOTE The DN of a voice-mail port should not use a number from the DID block
purchased from the PSTN service provider. The DNs of the voice-mail ports will not be
dialed directly. The hunt pilot will distribute calls to various voice-mail ports after the
ports have been placed into a line group. The hunt pilot should be in a DID range to
enable roaming users to dial the voice-mail pilot point directly over the PSTN.
474 Chapter 18: Voice-Mail System Integration
Figure 18-9 Voice Mail Port Configuration
Figure 18-10 Line Group Configuration
Integrating CUCM with a Cisco Unity Voice-Mail System 475
Adding a Hunt List
To add a hunt list using the previously configured line group, follow these steps:
Step 1 In CUCM Administration, go to Call Routing > Route/Hunt > Hunt
List, and click Add New.
Step 2 Enter a name and description for the hunt list and select a CUCM group.
Step 3 Check the Enable This Hunt List check box and the For Voice Mail
Usage check box.
Step 4 Add the line group that was configured in the previous step to the hunt
list.
Figure 18-11 shows configuration of the hunt list.
Figure 18-11 Hunt List Configuration
NOTE If some voice-mail ports will be used in Unity for dial out only (call transfer,
message notifications, or message-waiting indication), they must not be included in the
line group. The line group should contain only the voice-mail ports that are used to
answer calls to the voice-mail system and automated-attendant system.
476 Chapter 18: Voice-Mail System Integration
Adding a Hunt Pilot
To add a hunt pilot that refers to the previously configured hunt list, follow these steps:
Step 1 In CUCM Administration, go to Call Routing > Route/Hunt > Hunt
Pilot, and click Add New.
Step 2 Enter the hunt pilot number. This is the number that the voice-mail
system will reach for forwarding calls and for message retrieval.
Step 3 Enter a description for the hunt pilot.
Step 4 Select the hunt list that was configured earlier.
The partition of the hunt pilot places the hunt pilot number in a container. All devices that
should be able to call the voice-mail system need to have this partition in their CSS. Users
of Cisco IP Phones with a Voice Mail button will dial the hunt pilot number directly by
pressing the Voice Mail button of the phone. The Voice Mail button dials the voice-mail
profile’s associated pilot point number. The pilot point number is the same as the hunt pilot.
The phone does not need to access the hunt pilot number from its CSS because the phone
will dial the DN associated with the voice-mail profile of the DN. The voice-mail profile
must dial the hunt pilot. Figure 18-12 is a screen capture of the hunt pilot configuration in
CUCM.
Figure 18-12 Hunt Pilot Configuration
Integrating CUCM with a Cisco Unity Voice-Mail System 477
Configuring a Voice-Mail Pilot
To configure a voice-mail pilot, follow these steps:
Step 1 In CUCM Administration, go to Voice Mail > Voice Mail Pilot. Click
Find, and choose the Default voice-mail pilot.
Step 1 Configure the voice mail pilot number with the same extension used on
the hunt pilot. Click Save.
The CSS of the voice-mail pilot is used for the voice-mail pilot to access the configured
voice-mail pilot number (hunt pilot number associated with voice-mail profile).
Figure 18-13 illustrates the voice-mail pilot configuration.
Figure 18-13 Voice-Mail Pilot Configuration
Configuring a Voice-Mail Profile
To configure a voice-mail profile, refer to the previously configured voice-mail pilot, and
in CUCM Administration, go to Voice Mail > Voice Mail Profile. Click Find, and choose
the Default voice-mail profile. From the Voice Mail Pilot drop-down list, select the
previously configured voice-mail pilot. The voice-mail profile configuration is shown
in Figure 18-14.
Voice-mail profiles are used only by Cisco IP Phones when the Voice Mail button is
pressed; they are ignored when a user dials the voice-mail pilot number directly.
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