Table Of Contents

Preface

Document Revision History

Objectives

Intended Audience

Organization

Related Documentation

Cisco ASR 1000 Series Router Documentation

Cisco IOS XE Release 2 Software Publications

Cisco IOS Release 12.2SR Software Publications

Document Conventions

Obtaining Documentation and Submitting a Service Request

Preface

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This preface describes the objectives and organization of this document and explains how to find additional information on related products and services. This preface contains the following sections:

•Document Revision History

•Objectives

•Intended Audience

•Organization

•Related Documentation

•Document Conventions

•Obtaining Documentation and Submitting a Service Request

Document Revision History

The Document Revision History records technical changes to this document. The table shows the software release number and document revision number for the change, the date of the change, and a brief summary of the change.

Release No.	Revision	Date	Change Summary
2.4	01	June 26, 2009	This document introduced the unified model and a new unified feature set on the Cisco Unified Border Element (SP Edition). See the Feature History Table in each chapter for supported features. The name Cisco Unified Border Element (SP Edition) replaced the Integrated Session Border Controller name.
2.5	02	November 25, 2009	H.323 support, H.323-SIP interworking features, H.323 call routing, Transcoding support, multiple SIP features, 100rel interworking, SIP IP-FQDN URI translation, Contact Username Passthrough, IP Realm support, customized offer for late-to-early media, regular expression based routing, support for external server, call duration monitoring, signaling congestion handling, and other features were added in this release. See the Feature History Table in each chapter for supported features.

Objectives

This document describes the Integrated Session Border Controller functions, features, restrictions, and configuration tasks for the Cisco ASR 1000 Series Aggregation Services Routers. It is not intended as a comprehensive guide to all of the software features that can be run using the Cisco ASR 1000 Series Routers, but only the Integrated Session Border Controller software specific to these Routers.

For information on general Cisco IOS software features that are also available on the Cisco ASR 1000 Series Routers, see the feature module or the technology guide for that software feature.

Intended Audience

This document is intended for the following people:

•Experienced service provider administrators

•Cisco telecommunications management engineers

•Customers who use and manage Cisco ASR 1000 Series Routers

Organization

This document contains the following chapters and appendixes:

Section	Title
Chapter 1	Cisco Unified Border Element (SP Edition) Overview
Chapter 2	Configuring Cisco Unified Border Element (SP Edition)
Chapter 3	Unexpected Source Address Alerting
Chapter 4	Cisco Unified Border Element (SP Edition) Redundancy—High Availability Support
Chapter 5	Implementing Interworking DTMF
Chapter 6	Media Address Pools
Chapter 7	Fax Support
Chapter 8	Implementing Multi-VRF on Cisco Unified Border Element (SP Edition)
Chapter 9	Implementing Adjacencies on Cisco Unified Border Element (SP Edition)
Chapter 10	Inherit Profiles for Non-IMS Adjacencies
Chapter 11	Implementing Billing on Cisco Unified Border Element (SP Edition)
Chapter 12	Implementing Cisco Unified Border Element (SP Edition) Policies
Chapter 13	Implementing Firewall Traversal and NAT
Chapter 14	Secure Media and SRTP Passthrough
Chapter 15	Cisco Unified Border Element (SP Edition) Registration Features
Chapter 16	SIP Profiles on Cisco Unified Border Element (SP Edition)
Chapter 17	Implementing QoS (Marking)
Chapter 18	Codec Handling, page 1
Chapter 19	Implementing SBC Transcoding
Chapter 20	Call Duration Monitoring
Chapter 21	Signaling Congestion Handling
Chapter 22	SIP Tel URI Support
Chapter 23	SIP Timer
Chapter 24	Tracking Policy Failure Statistics
Chapter 25	SIP 3xx Redirect Responses
Chapter 26	SIP Call Hold
Chapter 27	SIP Call Transfer
Chapter 28	SIP Outbound Authentication
Chapter 29	SIP Inbound Authentication
Chapter 30	SIP Configuration Flexibility
Chapter 31	Late-to-Early Media Interworking
Chapter 32	Early Media
Chapter 33	DoS Prevention and Dynamic Blacklisting
Chapter 34	H.323 Support
Chapter 35	H.323 to SIP Interworking
Chapter 36	P-CSCF Support
Chapter 37	IP Realm Support
Chpater 38	SIP Instant Messaging
Chapter 39	Integration of Resource Management and SIP
Chapter 40	IBCF Processing Support
Chapter 41	SIP Renegotiation
Chapter 42	SDP Bandwidth Field Features
Chapter 43	Configuring SIP SDP Attribute Passthrough
Chapter 44	SIP IP-FQDN URI Translation
Chapter 45	Interoperability for SIP INVITE Authentication
Chapter 46	100rel Interworking Support
Chapter 47	Implementing SNMP
Appendix A	End-to-End Cisco Unified Border Element (SP Edition) Configuration Example
Appendix B	Additional Information about Billing Support
Appendix C	Syslog Capabilities
Appendix D	SIP Compliance and Interoperability
Glossary	Glossary
Index	Index

Related Documentation

This section refers you to other documentation that might also be useful as you configure your Cisco ASR 1000 Series Routers. The documentation listed below is available on Cisco.com.

Cisco ASR 1000 Series Router Documentation

For information on Cisco Unified Border Element (SP Edition) commands, see the Cisco Unified Border Element (SP Edition) Command Reference: Unified Model at http://www.cisco.com/en/US/docs/ios/sbc/command/reference/sbcu_book.html

For information on new Cisco ASR 1000 Series Router commands and commands in existing Cisco IOS features, see the Cisco IOS command reference books on Cisco.com for this release. For information about Cisco IOS commands in general, you can also use the Command Lookup Tool at http://tools.cisco.com/Support/CLILookup or a Cisco IOS master commands list.

For Quick Start guides and installation documentation for the Cisco ASR 1000 Series Router, see the hardware documentation that was provided as a part of this release at http://www.cisco.com/en/US/products/ps9343/prod_installation_guides_list.html.

For information on new software features, see the Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide, new feature module documents, and the Cisco IOS XE release notes that were provided as part of this release.

For further information, see the Cisco ASR 1000 Series Aggregation Services Routers Documentation Roadmap at http://www.cisco.com/en/US/docs/Routers/asr1000/roadmap/asr1000rm.html#wp39059.

Cisco IOS XE Release 2 Software Publications

Documentation for Cisco IOS XE configuration guides and feature modules can be found at:

http://www.cisco.com/en/US/products/ps9587/tsd_products_support_configure.html

Cisco IOS Release 12.2SR Software Publications

Documentation for the related Cisco IOS Release 12.2SR, including command reference and system error messages, can be found at:

http://www.cisco.com/en/US/products/ps6922/tsd_products_support_series_home.html

Document Conventions

This documentation uses the following conventions:

Convention	Description
^ or Ctrl	The ^ and Ctrl symbols represent the Control key. For example, the key combination ^D or Ctrl-D means hold down the Control key while you press the D key. Keys are indicated in capital letters but are not case sensitive.
string	A string is a nonquoted set of characters shown in italics. For example, when setting an SNMP community string to public, do not use quotation marks around the string or the string will include the quotation marks.

Command syntax descriptions use the following conventions:

Convention	Description
bold	Bold text indicates commands and keywords that you enter exactly as shown.
italics	Italic text indicates arguments for which you supply values.
[x]	Square brackets enclose an optional element (keyword or argument).
|	A vertical line indicates a choice within an optional or required set of keywords or arguments.
[x | y]	Square brackets enclosing keywords or arguments separated by a vertical line indicate an optional choice.
{x | y}	Braces enclosing keywords or arguments separated by a vertical line indicate a required choice.

Nested sets of square brackets or braces indicate optional or required choices within optional or required elements. For example:

Convention	Description
[x {y | z}]	Braces and a vertical line within square brackets indicate a required choice within an optional element.

Examples use the following conventions:

Convention	Description
screen	Examples of information displayed on the screen are set in Courier font.
bold screen	Examples of text that you must enter are set in Courier bold font.
<     >	Angle brackets enclose text that is not printed to the screen, such as passwords.
!	An exclamation point at the beginning of a line indicates a comment line. (Exclamation points are also displayed by the Cisco IOS software for certain processes.)
[     ]	Square brackets enclose default responses to system prompts.

The following conventions are used to attract the attention of the reader:

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Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

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Note Means reader take note. Notes contain helpful suggestions or references to materials that may not be contained in this manual.

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Tip Means the following information will help you solve a problem. The tips information might not be troubleshooting or even an action, but could be useful information, similar to a Timesaver.

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Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.