Cisco Unified Communications Manager and Cisco IOS Interoperability Guide, Release 15.1

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Cisco Unified Communications Manager and Cisco IOS Interoperability Guide, Release 15.1

Chapter Title

Configuring MCID for Cisco IOS Voice Gateways

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Updated:
June 13, 2008

Chapter: Configuring MCID for Cisco IOS Voice Gateways


Configuring MCID for Cisco IOS Voice Gateways

The MCID for Cisco IOS Voice Gateways feature supports the Malicious Call Identification (MCID) supplementary service that enables Cisco Unified Communications Manager to identify the source of malicious calls.

Feature History for MCID for Cisco IOS Voice Gateways

Release
Modification

12.3(8)XY

This feature was introduced.

12.3(11)T

This feature was integrated into Cisco IOS Release 12.3(11)T.

12.3(14)T

Support was added for the new Cisco IOS command structure for voice applications in the HTTP Client API for TCL IVR feature.


Finding Support Information for Platforms and Cisco IOS Software Images

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.

Note For more information about this and related Cisco IOS voice features, see the following:

•"Overview of Cisco Unified Communications Manager and Cisco IOS Interoperability" on page 13.

•Entire Cisco IOS Voice Configuration Library—including library preface and glossary, other feature documents, and troubleshooting documentation—at http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/voice_c/vcl.htm.

Contents

•"Prerequisites for MCID for Cisco IOS Voice Gateways"

•"Restrictions for MCID for Cisco IOS Voice Gateways"

•"Information About MCID for Cisco IOS Voice Gateways"

•"How to Configure MCID for Cisco IOS Voice Gateways"

•"Configuration Examples for MCID for Cisco IOS Voice Gateways"

•"Where to Go Next"

•"Additional References"

Prerequisites for MCID for Cisco IOS Voice Gateways

•MCID must be configured in Cisco Unified Communications Manager 4.0 (formerly known as Cisco CallManager 4.0) or later. For information, see the "Malicious Call Identification" chapter in the Cisco Unified CallManager Features and Services Guide, Release 4.0(1).

•Your platform must support MCID and TCL IVR 2.0.

•You must either use the script app_mcid.2.0.0.40.tcl or a later version, or write your own TCL IVR 2.0 script that implements MCID. To download the script, go to the Software Download site at http://www.cisco.com/cgi-bin/tablebuild.pl/tclware. To write your own script, see the TCL IVR API Version 2.0 Programming Guide.

•If you require an MCID service log in RADIUS, you can write a script that supports the RADIUS service and uses the aaa accounting update command to generate an accounting record.

•Cisco Catalyst 6500 series and Cisco 7600 series Communication Media Module (CMM) requires WS-SVC-CMM-6T1, WS-SVC-CMM-6E1, or WS-SVC-CMM-24 FXS port adapter in H.323 environment.

Restrictions for MCID for Cisco IOS Voice Gateways

•Supported only for NET5 switches that have MCID functionality enabled. Other switch types are not supported.

•Supported only for incoming calls from the ISDN network.

•MCID requests from the central office are ignored by Cisco Unified Communications Manager and are not supported by the Cisco voice gateway.

•Service provider on the time-division multiplexing (TDM) side of the PSTN must have MCID functionality enabled.

•ISDN interface on the voice gateway must have the ISDN switch type set to primary-net5 with the isdn switch-type command and operate in user-side mode (default).

•Voice gateways with PRI interfaces should provide the following capabilities:

–Receive MCID requests relating to the call from upper layers and relay them to the connected network using the PRI protocol specified for the MCID service.

–Receive MCID related response signals and information from the connected network using the PRI protocol specified for the MCID service. Cisco Unified Communications Manager ignores the signals and information.

•Not supported on the Access Gateway Module (AGM).

Information About MCID for Cisco IOS Voice Gateways

To configure a voice gateway for MCID, you should understand the following concept:

•MCID

MCID

Malicious Call Identification (MCID) is a supplementary service that enables Cisco Unified Communications Manager to identify the source of malicious calls. A user who receives a malicious call from another network, typically the PSTN, can select a softkey on the IP phone which immediately notifies the system administrator, flags the call detail record (CDR) for the Cisco Unified Communications Manager cluster, and notifies the PSTN of the malicious nature of the call, allowing the offnet system to take action, such as notifying legal authorities.

Figure 12 shows an example of the MCID call flow. After receiving an MCID request from an endpoint device (victim), Cisco Unified Communications Manager sends an H.225 Facility message with the MCID information element (IE) to the voice gateway. The gateway sends a Q.931 Facility message with the MCID IE to the ISDN network (central office).

Figure 12 MCID Functionality

A called party invokes MCID by pressing the appropriate softkey on the IP phone. A configurable timer is available when awaiting a response after sending a Facility message to the PSTN. If a response is not received within the specified time, the TCL IVR script is notified. Depending on how the script is written, it could try to reinvoke MCID or perform some other action, for example, playing a message to the user that the MCID attempt did not work.

How to Configure MCID for Cisco IOS Voice Gateways

Perform these tasks to support MCID on your MGCP gateway:

•Enabling the ISDN Interface to Send MCID Requests (required)

•Configuring MCID on the Voice Gateway (Cisco IOS Release 12.3(14)T) (required)

•Configuring MCID on the Voice Gateway (Cisco IOS Release 12.3(11)T) (required)

Enabling the ISDN Interface to Send MCID Requests

Perform this task to enable an ISDN interface to send MCID requests and to set the timer.

SUMMARY STEPS

1. enable

2. configure terminal

3. interface serial slot/port:timeslot

4. isdn switch type {primary-net5 | primary-ni}

5. isdn incoming-voice {data | modem | voice}

6. isdn supp-service mcid

7. isdn t-activate msec

8. end

DETAILED STEPS

 
Command or Action
Purpose

Step 1 

enable

Example:

Router> enable

Enables privileged EXEC mode.

•Enter your password when prompted.

Step 2 

configure terminal

Example:

Router# configure terminal

Enters global configuration mode.

Step 3 

interface serial slot/port:timeslot

Example:

Router(config)# interface serial 2/1:23

Enters interface configuration mode and specifies a serial interface created on a channelized E1 or channelized T1 controller.

Step 4 

isdn switch type {primary-net5 | primary-ni}

Example:

Router(config-if)# isdn switch-type primary-net5

Specifies the user-side switch type.

Note Only NET5 switches are supported.

Step 5 

isdn incoming-voice {data | modem | voice}

Example:

Router(config-if)# isdn incoming-voice voice

Specifies whether incoming voice calls are handled as data, voice, or modems.

Step 6 

isdn supp-service mcid

Example:

Router(config-if)# isdn supp-service mcid

Configures the ISDN interface to send the MCID invocation and response on the specified serial interface.

Step 7 

isdn t-activate msec

Example:

Router(config-if)# isdn t-activate 4000

(Optional) Specifies how long to wait for a response from the PSTN after sending the MCID request.

When the timer expires, the TCL IVR script receives an expiration event and depending on your script, it could trigger an announcement or initiate another attempt.

Note The timer starts when there is a disconnect message, and both calls legs are reclaimed after the timer expires.

Step 8 

end

Example:

Router(config-if)# end

Exits to privileged EXEC mode.

Configuring MCID on the Voice Gateway (Cisco IOS Release 12.3(14)T)

Use this procedure to define the MCID application on a voice gateway that is running Cisco IOS Release 12.3(14)T or later. To verify your release, use the show version command.

SUMMARY STEPS

1. enable

2. configure terminal

3. application

4. service mcid flash:app_mcid.2.0.0.40.tcl

5. param mcid-release-timer seconds

6. param retry-count number

7. exit

8. dial-peer voice tag pots

9. service mcid

10. incoming called-number string

11. direct-inward-dial

12. port slot/port:timeslot

13. exit

DETAILED STEPS

 
Command or Action
Purpose

Step 1 

enable

Example:

Router> enable

Enables privileged EXEC mode.

•Enter your password when prompted.

Step 2 

configure terminal

Example:

Router# configure terminal

Enters global configuration mode.

Step 3 

application

Example:

Router(config)# application

Enters application configuration mode.

Step 4 

service mcid flash:app_mcid.2.0.0.40.tcl

Example:

Router(config-app)# service mcid flash:app_mcid.2.0.0.40.tcl

Specifies the name and location of the MCID script.

Step 5 

param mcid-release-timer seconds

Example:

Router(config-app-param)# param mcid-release-timer 30

(Optional) Number of seconds the script waits before releasing both call legs after it receives a disconnect message. Default is 60 seconds.

Step 6 

param retry-count number

Example:

Router(config-app-param)# param retry-count 3

(Optional) Maximum number of times the called party can trigger MCID if all previous attempts failed. Default is 0, which means the user can invoke MCID as many times as needed.

Step 7 

exit

Example:

Router(config-app-param)# exit

Exits to global configuration mode.

Step 8 

dial-peer voice tag pots

Example:

Router(config)# dial-peer voice 250 pots

Configures incoming dial peer and enters dial-peer configuration mode.

Step 9 

service mcid

Example:

Router(config-dial-peer)# service mcid

Configures the incoming dial peer to use the MCID application.

Step 10 

incoming called-number string

Example:

Router(config-dial-peer)# incoming called-number 222....

Configures the incoming called number for the MCID application.

Step 11 

direct-inward-dial

Example:

Router(config-dial-peer)# direct-inward-dial

Configures direct-inward-dial (DID) for the MCID application.

Step 12 

port slot/port:timeslot

Example:

Router(config-dial-peer)# port 3/0:23

Configures the port for the MCID application.

Note The syntax of the port command is platform-specific. For information on the specific syntax for your platform, see the Cisco IOS Voice Command Reference.

Step 13 

exit

Example:

Router(config-dial-peer)# exit

Exits to global configuration mode.

Configuring MCID on the Voice Gateway (Cisco IOS Release 12.3(11)T)

Use this procedure to define the MCID application on a voice gateway that is running Cisco IOS Release 12.3(11)T. To verify your release, use the show version command.

SUMMARY STEPS

1. enable

2. configure terminal

3. call application voice mcid location

4. call application voice mcid mcid-release-timer seconds

5. dial-peer voice tag pots

6. application mcid

7. incoming called-number string

8. direct-inward-dial

9. port slot/port:timeslot

10. exit

DETAILED STEPS

 
Command or Action
Purpose

Step 1 

enable

Example:

Router> enable

Enables privileged EXEC mode.

•Enter your password when prompted.

Step 2 

configure terminal

Example:

Router# configure terminal

Enters global configuration mode.

Step 3 

call application voice mcid location

Example:

Router(config)# call application voice mcid flash:app_mcid.2.0.0.40.tcl

Specifies the name and location of the MCID script.

Step 4 

call application voice mcid mcid-release-timer seconds

Example:

Router(config)# call application voice mcid mcid-release-timer 30

(Optional) Number of seconds the script waits to release both call legs after it receives a disconnect message. Default is 60 seconds.

Step 5 

dial-peer voice tag pots

Example:

Router(config)# dial-peer voice 250 pots

Configures incoming dial peer and enters dial-peer configuration mode.

Step 6 

application mcid

Example:

Router(config-dial-peer)# application mcid

Configures the incoming dial peer to use the MCID application.

Step 7 

incoming called-number string

Example:

Router(config-dial-peer)# incoming called-number 222....

Configures the incoming called number for the MCID application.

Step 8 

direct-inward-dial

Example:

Router(config-dial-peer)# direct-inward-dial

Configures direct-inward-dial (DID) for the MCID application.

Step 9 

port slot/port:timeslot

Example:

Router(config-dial-peer)# port 3/0:23

Configures the port for the MCID application.

Note The syntax of the port command is platform-specific. For information on the specific syntax for your platform, see the Cisco IOS Voice Command Reference.

Step 10 

exit

Example:

Router(config-dial-peer)# exit

Exits to global configuration mode.

Configuration Examples for MCID for Cisco IOS Voice Gateways

This section provides the following configuration examples:

•Configuring MCID in Cisco IOS Release 12.3(14)T (Cisco 2801): Example

•Configuring MCID in Cisco IOS Release 12.3(11)T (Cisco 3745): Example9

Configuring MCID in Cisco IOS Release 12.3(14)T (Cisco 2801): Example 

Current configuration : 1695 bytes

!

version 12.3

no service timestamps debug uptime

no service timestamps log uptime

no service password-encryption

!

hostname router_2801

!

boot-start-marker

boot-end-marker

!

logging buffered 40960 debugging

no logging console

!

no aaa new-model

!

resource manager

!

network-clock-participate wic 2 

mmi polling-interval 60

no mmi auto-configure

no mmi pvc

mmi snmp-timeout 180

ip subnet-zero

ip cef

!

!

no ip dhcp use vrf connected

!

!

no ip domain lookup

no ftp-server write-enable

isdn switch-type primary-net5

!

voice-card 0

!

!

!

application

 service mcid flash:app_mcid.2.0.0.40.tcl

  param mcid-release-timer 10

  param retry-count 3

!

!

controller T1 0/2/0

 framing esf

 clock source internal

 linecode b8zs

 pri-group timeslots 1-24

!

controller T1 0/2/1

 framing esf

 linecode b8zs

!

!

interface FastEthernet0/0

 ip address 9.1.0.102 255.255.0.0

 duplex auto

 speed auto

 no keepalive

!

interface FastEthernet0/1

 no ip address

 shutdown

 duplex auto

 speed auto

!

interface Serial0/2/0:23

 no ip address

 isdn switch-type primary-net5

 isdn incoming-voice voice

 isdn supp-service mcid

 isdn T-Activate 5000

 no cdp enable

!

ip classless

!

ip http server

!

disable-eadi

!

!

control-plane

!

!

voice-port 0/2/0:23

!

ccm-manager music-on-hold

!

!

dial-peer voice 500 pots

 service mcid

 destination-pattern 111111....

 incoming called-number 555555....

 direct-inward-dial

 port 0/2/0:23

 prefix 111111

!

dial-peer voice 600 voip

 destination-pattern 555555....

 session target ipv4:9.1.0.2

 incoming called-number 111111....

 playout-delay minimum low

 codec g711ulaw

 no vad

!

!

line con 0

 exec-timeout 0 0

line aux 0

line vty 0 4

 login

!

end

Configuring MCID in Cisco IOS Release 12.3(11)T (Cisco 3745): Example 

Current configuration : 1492 bytes

!

version 12.3

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname router_3745

!

!

voice-card 3

 dspfarm

!

no aaa new-model

ip subnet-zero

!

!

ip domain name cisco.com

mpls ldp logging neighbor-changes

no ftp-server write-enable

isdn switch-type primary-4ess

no scripting tcl init

no scripting tcl encdir

!

!

no voice hpi capture buffer

no voice hpi capture destination 

!

!

controller T1 3/0

 framing esf

 linecode b8zs

 pri-group timeslots 1-24

!

controller T1 3/1

 framing sf

 linecode ami

!

!

interface FastEthernet0/0

 ip address 10.4.175.116 255.255.0.0

 duplex auto

 speed auto

!

interface FastEthernet0/1

 shutdown

 duplex auto

 speed auto

!

interface Serial3/0:23

 no logging event link-status

 isdn switch-type primary-net5

 isdn incoming-voice voice

 isdn supp-service mcid

 no cdp enable

!         

ip default-gateway 10.4.0.1

ip classless

ip route 0.0.0.0 0.0.0.0 FastEthernet0/0

!

ip http server

!

!

control-plane

!

!

call application voice mcid flash:app_mcid.2.0.0.40.tcl

call application voice mcid mcid-release-timer 10

!

voice-port 3/0:23

!

mgcp call-agent 10.4.175.2 service-type mgcp version 0.1

!

mgcp profile default

!

!

dial-peer voice 1 pots

 application mcid

 destination-pattern 2010

 incoming called-number 2000

 direct-inward-dial

 port 3/0:23

 forward-digits all

!

dial-peer voice 2 voip

 destination-pattern 2000

 session target ipv4:10.4.175.2

!

!

line con 0

line aux 0

line vty 0 4

 login

!

end

Where to Go Next

•To configure conferencing, transcoding, and MTP support on a Cisco IOS gateway, see "Configuring Enhanced Conferencing and Transcoding for Voice Gateway Routers" on page 67.

•To enable MGCP PRI backhaul support, see "Configuring MGCP PRI Backhaul and T1 CAS Support for Cisco Unified Communications Manager" on page 113.

•To enable MGCP BRI backhaul support, see "Configuring MGCP-Controlled Backhaul of BRI Signaling in Conjunction with Cisco Unified Communications Manager" on page 129.

Additional References

•"Cisco Unified Communications Manager and Cisco IOS Interoperability Features Roadmap" on page 9—Describes how to access Cisco Feature Navigator; also lists and describes, by Cisco IOS release, Cisco Unified Communications Manager and Cisco IOS interoperability features.

•"Malicious Call Identification" chapter in the Cisco Unified Communications Manager Features and Services Guide—Describes how to configure MCID in Cisco Unified Communications Manager 4.0 (formerly known as Cisco CallManager 4.0).

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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

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