Cisco Voice Interworking Services (VISM) Manuale dell'operatore

Corporate Headquarters

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

http://www.cisco.com

Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Cisco VISM Installation and Configuration

Guide

Release 3.0

June 2004

Text Part Number: OL-2521-01 D0

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT

NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE

PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR

APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION

PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO

LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED

“AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED,

INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL

DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR

INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are trademarks of

Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST,

BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press,

Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherFast,

EtherSwitch, Fast Step, GigaDrive, GigaStack, HomeLink, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard,

LightStream, Linksys, MeetingPlace, MGX, the Networkers logo, Networking Academy, Network Registrar, Packet, PIX, Post-Routing, Pre-Routing,

ProConnect, RateMUX, Registrar, ScriptShare, SlideCast, SMARTnet, StrataView Plus, SwitchProbe, TeleRouter, The Fastest Way to Increase Your

Internet Quotient, TransPath, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a

partnership relationship between Cisco and any other company. (0403R)

Cisco VISM Installation and Configuration Guide

iii

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

CONTENTS

Preface xiii

Objectives xiii

Audience xiii

Document Organization xiii

Related Documentation xiv

Cisco MGX 8850 (PXM45) Multiservice Switch Release 3 xiv

MGX 8850 (PXM1) Multiservice Switch Release 1.2.10 xv

MGX 8250 Edge Concentrator Release 1.2.10 xvi

MGX 8230 Edge Concentrator Release 1.2.10 xvi

Conventions xvii

Obtaining Documentation xviii

Cisco.com xviii

Ordering Documentation xviii

Documentation Feedback xviii

Obtaining Technical Assistance xix

Cisco TAC Website xix

Opening a TAC Case xix

TAC Case Priority Definitions xx

Obtaining Additional Publications and Information xx

CHAPTER

1Overview of the VISM and VISM-PR Cards 1-1

VISM and VISM-PR Card Types 1-1

VISM and VISM-PR Card Service Types 1-5

VISM and VISM-PR Card Physical Characteristics 1-5

VISM Card Architecture 1-5

VISM and VISM-PR Card Features 1-6

Redundancy and Bulk Distribution 1-8

Operating Modes 1-9

VoIP Switching and Switched AAL2 PVC Operating Modes 1-9

AAL2 Trunking Operating Mode 1-11

VoIP Trunking Operating Mode 1-12

AAL1/AAL2 SVC Operating Mode 1-12

Installing VISM Hardware and Software 1-13

Installing VISM Cards in MGX 8000 Series Chassis 1-13

Contents

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

Installing VISM-PR Cards in MGX 8000 Series Chassis 1-13

MGX 8850 and MGX 8250 Chassis 1-14

MGX 8230 Chassis 1-15

Installing VISM and VISM-PR Front and Back Cards 1-15

Installing a VISM or VISM-PR Front Card 1-15

Installing a VISM Back Card 1-16

Connecting Cables to Cards 1-16

Removing VISM and VISM-PR Front and Back Cards 1-17

Removing a VISM or VISM-PR Front Card 1-17

Removing a VISM Back Card 1-17

Applying Power to the VISM Card 1-18

Installing VISM Software Upgrades 1-18

Software Upgrades 1-20

Prerequisites 1-20

VISM/VISM-PR Upgrades with PXM1 1-20

Download VISM/VISM-PR Boot Code and Firmware to PXM1 1-20

Upgrade VISM/VISM-PR Firmware with PXM1 Card 1-21

Boot Code Upgrade Procedure with PXM1 Cards 1-23

VISM-PR Upgrades with PXM1E and PXM45 1-23

Download VISM-PR Boot Code and Firmware to PXM1E and PXM45 1-24

Upgrade VISM-PR Firmware with PXM1E and PXM45 Cards 1-24

Boot Code Upgrade Procedure with PXM1E and PXM45 Cards 1-25

VISM/VISM-PR Downgrade Procedure 1-25

VISM to VISM-PR Hardware Upgrade 1-26

CHAPTER

2Telephony Applications Using VISM 2-1

Tandem Switch Offloading 2-1

Multiservice Access 2-3

AAL2 Trunking 2-3

CHAPTER

3VISM Functional Description 3-1

TDM Line-Handling Function 3-2

Bearer Processing Function 3-3

Echo Cancellation, Voice Compression, A/Mu Law Conversion 3-3

Voice Activity Detection and Silence Suppression 3-4

Fax and Modem Tone Detection 3-4

Jitter Control 3-5

CAS Handling 3-5

Signaling Function 3-5

Contents

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

CAS Processing in VoIP Switching and Switched AAL2 PVC Operating Mode 3-6

CCS Processing in Switched AAL2 PVC Operating Mode 3-9

CAS Processing in AAL2 Trunking Operating Mode 3-11

CCS Processing in AAL2 Trunking Operating Mode 3-11

ATM Voice Data Processing Function 3-11

Transporting Voice Cells with VoIP 3-11

Transporting Voice Cells with Switched AAL2 PVC 3-13

Transporting Voice Cells with AAL2 Trunking 3-14

Transporting Voice Cells with Switched AAL1 SVC 3-14

Call Control Function 3-15

Connection Model 3-16

xGCP Extensions for AAL2 Switched PVC and AAL2 SVC Operating Modes 3-17

Endpoint Service States 3-17

Restart In Progress Command 3-18

Connection Admission Control 3-19

Embedded VISM Management Function 3-19

CHAPTER

4Configuring VISM Features 4-1

Using the Command Line Interface 4-1

VISM Command Attributes 4-2

Connecting to Cisco MGX 8000 Series Platforms 4-2

Logging In to PXM and VISM Cards 4-3

VISM Card Prompt 4-5

Logging Out of VISM and PXM Cards 4-5

Configuring VISM Features 4-6

Initial VISM Configuration 4-6

Initial Card Level Configuration 4-8

Configuring the Operating Mode 4-8

Allocating Resources 4-9

Configuring Connection Admission Control 4-10

Placing the VISM Card In Service 4-11

Placing the VISM Card Out of Service 4-11

Configuring the TDM Side 4-11

Configuring T1 and E1 Lines 4-11

Configuring the PXM and VISM Cards Clocking Source 4-14

Configuring the PXM1E or PXM45 Card as Clocking Source 4-17

Configuring DS0 Channels 4-17

Configuring Bearer Processing 4-27

Configuring Codecs 4-27

Contents

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

Configuring ECAN 4-29

Configuring Jitter 4-30

Configuring PNNI for AAL1/AAL2 SVCs 4-31

Configuring the ATM Network Side 4-31

Configuring PVC Connections for All Operating Modes 4-32

Configuring VoIP Switching/Trunking Operating Mode Parameters 4-34

Configuring AAL2 Trunking Operating Mode Parameters 4-36

Configuring Switched AAL2 PVC Operating Mode Parameters 4-38

Configuring the Call Agent Interface 4-44

Configuring Domain Names and IP Addresses 4-45

Setting Up Call Agents and Protocols 4-45

Configuring Gateway Control Protocols 4-47

Configuring ISDN PRI Backhaul 4-49

Configuring Additional VISM Features 4-52

Mid-Call DTMF 4-55

Configurable Jitter Buffer 4-55

Adjustable Gain 4-55

Adjustable Music On-Hold Threshold 4-55

CALEA 4-55

MGC Redundancy 4-55

External DNS 4-56

2 IP Address Support 4-56

VoIP Trunking 4-56

T.38 Fax Relay 4-57

CAS Feature Enhancements 4-57

Programmable Tone Plans 4-57

Loop Start, DID, and Delay Dial 4-58

FGD 4-58

Configure Flash Hook and Glare Condition Attributes 4-59

Configure ANI and DNIS Digit Order 4-59

RFC 3064 Package Support 4-59

RFC 2833 Support 4-59

VISM Network Continuity Test 4-59

Configure PVC OAM Cell Parameters 4-60

PXM1E and PXM45 Card-Only Features 4-60

Call Agent-Controlled VoATM AAL1 and AAL2 SVC 4-61

AAL1 SVC-Based TDM Hairpinning 4-61

High Complexity Codec Support for VISM-PR—G.723.1 4-61

Announcement File System 4-62

Announcement Timeouts 4-62

Contents

vii

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

Announcement Direction 4-62

Broadcast Announcements 4-63

Multiple Announcement Requests for the Same Endpoint 4-63

Announcement File Server 4-63

Announcement File Server Name 4-63

Announcement File Server Directory Structure 4-63

VISM Announcement Cache Management 4-64

Announcement Expiry 4-64

Permanent Announcements 4-64

Call Agent-Controlled T.38 Fax 4-65

Additional Support for MGCP 1.0 4-66

RSVP-Based Admission Control 4-66

Clock Slip Counters 4-67

RTP Connection Statistics 4-68

CAS Immediate Start and Ground Start Glare Handling 4-68

Grooming for Local Traffic 4-68

MGX 8000 Series Implementation Enhancements 4-69

Additional VBR Enhancements 4-69

Expanded Clock Source Selection 4-69

Private Network-to-Network Interface Priority Routing 4-69

Additional SPVC Connection Management Capabilities 4-70

192 T1/248 E1 DS0 Support with High Complexity Codecs on VISM-PR 4-70

Channel Alarm Enhancement 4-70

VISM TDM Line Statistics Collection 4-70

CHAPTER

5CLI Commands 5-1

CHAPTER

6Troubleshooting Tips 6-1

VISM Card LEDs 6-1

VISM and PXM Display, Log, and Diagnostic Loopback Path CLI Commands 6-2

VISM Display Card CLI Command 6-3

PXM Display Log CLI Command 6-3

PXM Diagnostic Loopback Path CLI Commands 6-4

PXM1E and PXM 45 Display CLI Commands 6-4

VISM Alarms 6-5

UNIX Snoop Trace Tool 6-5

Symptoms and Solutions 6-5

VISM Card Did Not Become Active 6-6

T1/E1 Configuration Mismatch 6-6

Contents

viii

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

DSP Download Failure 6-7

VISM Front Card/Back Card Mismatch 6-8

Cannot Use the cc Command to Access a VISM Card 6-9

VISM Card Resets Intermittently 6-9

VISM Card Does Not Accept a Firmware Download 6-9

Echo Is Heard on a Voice Call 6-9

VISM Card LEDs Are Not Lighted 6-9

Firmware Does Not See the Card Insert Bit Status As Set 6-10

APPENDIX

AVISM and VISM-PR Card Clocking Options A-1

PXM1 Card as Primary Clocking Source A-1

VISM Card as Primary Clocking Source A-3

VISM-PR Card as Primary Clocking Source A-3

PXM1E or PXM45 Card as Primary Clocking Source A-4

Revertive and Nonrevertive Clocking A-4

APPENDIX

BVISM and VISM-PR—3.0 Specifications B-1

VISM Card Specifications B-1

VISM Card Physical Interface Specifications and Applicable Standards B-1

General VISM Card Standards B-2

VISM Card Counters Specifications B-2

VISM-PR Card Specifications B-3

VISM-PR Card Features B-3

INDEX

FIGURES

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

Figure 1-1 VISM T1 and E1 Front Cards 1-2

Figure 1-2 VISM-PR T1 and E1 Front Cards 1-3

Figure 1-3 VISM T1 and E1 Back Cards 1-4

Figure 1-4 Cisco MGX 8850 and VISM as a Voice Gateway 1-4

Figure 1-5 VISM Card Block Diagram 1-6

Figure 1-6 VISM Block Diagram for VoIP Switching and Switched AAL2 PVC Operating Modes 1-10

Figure 1-7 VISM Block Diagram for the AAL2 Trunking Operating Mode 1-11

Figure 1-8 Available Chassis Slots for VISM Cards in the MGX 8850 and MGX 8250—Front View 1-14

Figure 1-9 Available Chassis Slots for VISM Cards in the Cisco MGX 8230—Front View 1-15

Figure 1-10 RJ-48 PIN Connector 1-17

Figure 2-1 VISM Used in a Tandem Switch Offloading Application 2-1

Figure 2-2 VISM Used as a Voice Gateway Application 2-2

Figure 2-3 AAL2 Trunking—One End 2-3

Figure 2-4 AAL2 Trunking—Two Ends 2-4

Figure 3-1 VISM Detailed Functional Blocks 3-2

Figure 3-2 VISM Signaling Paths 3-6

Figure 3-3 CAS Processing—Message Structure 3-7

Figure 3-4 CAS Signaling in Initiating and Terminating a Call 3-8

Figure 3-5 PRI/Backhaul Path 3-10

Figure 3-6 RUDP Session Hierarchy 3-10

Figure 3-7 VoIP Protocol Stack 3-12

Figure 3-8 VoIP Cell Packetization and Transmission 3-12

Figure 3-9 AAL2 Cell Packetization and Transmission 3-14

Figure 3-10 Call Agent Communications Links 3-15

Figure 3-11 Connection Model 3-16

Figure 3-12 VISM Card Config Screen—Card Elements Display 3-20

Figure 3-13 VISM Card Config Screen—VISM Features Display 3-21

Figure 4-1 PXM Back Card 4-3

Figure 4-2 VISM to Call Agent Communication 4-44

Figure 6-1 VISM Front Card LEDs 6-2

Figure A-1 VISM Configured for Local Clocking A-1

Figures

Cisco VISM Installation and Configuration Guide

Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004

Figure A-2 VISM Configured for Loop Clocking A-3

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali Cisco Software

Cisco

Cisco 4700M Manuale utente

Cisco

Cisco GO GREEN Manuale utente

Cisco

Cisco Servers Manuale utente

Cisco

Cisco TELEPRESENCE MOVI 4.1 - ADMINISTRATOR GUIDE... Manuale di servizio

Cisco

Cisco ROUTER-SDM-CD Manuale utente

Cisco

Cisco 2509 - Router - EN Manuale utente

Cisco

Cisco Router IOS XR Manuale utente

Cisco

Cisco Signaling Interface H.323 Manuale utente

Cisco

Cisco PVDM2 24DM - Digital Modem Module Manuale utente

Cisco

Cisco AP775A - Nexus Converged Network Switch 5010 Manuale di servizio

Cisco

Cisco XO Manuale utente

Cisco

Cisco AP775A - Nexus Converged Network Switch 5010 Manuale utente

Cisco

Cisco 11.0 BT Come usare

Cisco

Cisco TrustSec 3.0 Come usare

Cisco

Cisco Network Assistant Manuale utente

Cisco

Cisco Craft Works Interface Manuale utente

Cisco

Cisco MCS 7825 Series Manuale utente

Cisco

Cisco TELEPRESENCE MANAGEMENT SUITE SECURE SERVER - CONFIGURATION GUIDE... Manuale utente

Cisco

Cisco TELEPRESENCE MANAGEMENT SUITE EXTENSION 2.2 - FOR MICROSOFT... Manuale utente

Cisco

Cisco CSACSE-1111-K9 - Secure Access Control Server Solution... Manuale utente

Cisco

Cisco CRS-1 Series Manuale utente

Cisco

Cisco 6503-E - Catalyst Chassis With Supervisor Engine 32... Manuale di istruzioni

Cisco

Cisco ACTIVE NETWORK ABSTRACTION - BROCHURE WHATS NEW IN RELEASE... Manuale utente

Cisco

Cisco CVPN3002-8E-K9 - Fast Ethernet VPN Gateway Manuale utente

Manuali Software popolari di altre marche

COMPRO

COMPRO COMPROFM Manuale utente

Muratec

Muratec OFFICEBRIDGE ONLINE Manuale utente

Oracle

Oracle Contact Center Anywhere 8.1 Manuale utente

Adobe

Adobe 65007312 - Photoshop Lightroom Manuale

Avaya

Avaya NULL One-X for RIM Blackberry Manuale utente

HP ProLiant BL420c Manuale utente

PS Audio

PS Audio PowerPlay Manuale del proprietario

Brady

Brady LOCKOUT PRO 3.0 Manuale di servizio

Avaya

Avaya Interaction Center Manuale utente

Texas Instruments

Texas Instruments TI-83 Plus Silver Edition Manuale

Novell

Novell GROUPWISE 8 - INTERNET AGENT Manuale utente

Oracle

Oracle Application 9i Manuale utente

Acer

Acer RDM Manuale utente

Canon

Canon Vixia HF21 Manuale utente

Canon

Canon ZR950 Manuale utente

Samsung

Samsung Auto Backup Manuale utente

Polycom

Polycom Vortex EF2201 Istruzioni per l'installazione e il funzionamento

Brocade Communications Systems

Brocade Communications Systems Brocade 8/12c Manuale utente