Cisco BTS 10200 Operating instructions

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Cisco BTS 10200 Softswitch ISDN
Provisioning and Troubleshooting
Software Release 5.0
Revised: January 31, 2008
Text Part Number: OL-12436-02

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Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
Copyright © 2007 Cisco Systems, Inc. All rights reserved.

iii
Book Title
OL-12436-02
CONTENTS
Preface v
Modification History v
Industry Standards. vi
Obtaining Documentation, Obtaining Support, and Security Guidelines vi
CHAPTER 1ISDN Provisioning 1-1
Description of Backhaul Set, Group, and Session 1-2
Network Side PRI 1-3
User Side PRI 1-4
Cisco BTS 10200 Provisioning 1-4
Provisioning 1-5
Place MGW, ISDN D-Channels, Trunk Groups and Trunks In Service 1-10
Verify Status of ISDN Services 1-11
Verify MGW Status 1-11
Verify D-Channel Status 1-11
Verify Trunk Group Status 1-12
Verify Trunk Termination and Trunk Status 1-12
International PRI Setup 1-14
ISDN Profiles 1-16
Maintenance Message Support 1-16
Customizing D-Channel Profiles 1-18
ISDN Timer Configuration Parameters 1-20
ISDN Features and Supplementary Services 1-20
Information Digit Feature 1-21
Calling and Connected Name Delivery 1-22
Calling Number Identification Service (CLIP/CLIR) 1-23
Redirecting Number Support 1-23
ISDN PRI PBX Variant Setup 1-24
Intertel 256 with NI2 1-25
Intertel 256 with DMS-100 1-25
Intertel 256 with 4ESS 1-25
Intertel 256 with 5ESS 1-25
Lucent Definity G3r with NI2 1-26
Lucent Definity G3r with DMS-100 1-26

Contents
iv
Book Title
OL-12436-02
Lucent Definity G3r with 5ESS 1-26
Nortel Northstar with NI2 1-27
Nortel Option 11 with NI2 1-27
Nortel Option 11 with DMS-100 1-27
Siemens Hicom 300 with NI2 1-27
Siemens Hicom 300 with DMS-100 1-27
Siemens Hicom 300 with 4ESS 1-28
Siemens Hicom 300 with 5ESS 1-28
Toshiba Strada DK424 with NI2 1-28
CHAPTER 2Multiple Trunk Groups on a Single ISDN D-Channel 2-1
Provisioning 2-1
Sample Line Test Configuration for Multiple Trunk Groups on a Single ISDN D-Channel 2-3
CHAPTER 3ISDN Backhaul Support Using IUA/SCTP 3-1
IUA/SCTP Protocols 3-1
Provisioning an IUA Trunk Group 3-2
CHAPTER 4Maintaining and Troubleshooting the ISDN System 4-1
Status and Control Commands 4-1
How to Troubleshoot When the ISDN D-Channel Fails to Restore 4-4
Checking the Status of a Trunk Termination 4-7
Trunk Static State Is Set to Locally Blocked 4-8
Trunk Static State Is Set to TRNS 4-8
Trunk Static State Is Set to RBLK 4-9
Termination Status Is Faulty 4-9
Cannot Make a Call 4-9
IUA Traces 4-10
Checking MGW Provisioning 4-11
IOS Gateway 4-11
IUA/SCTP Gateway 4-13
Additional CLI Verification 4-17
Maintenance of a Call Agent Connected to an ISDN Trunk Group 4-18
ISDN D-Channel and Trunk Group CLI Command Troubleshooting 4-18

v
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
Preface
Revised: January 31, 2008, OL-12436-02
This document describes the ISDN provisioning and troubleshooting for the Cisco BTS 10200
Softswitch. This document is intended for use by service provider management, system administration,
and engineering personnel who are responsible for designing, installing, provisioning, and maintaining
networks that use the Cisco BTS 10200 Softswitch system.
Modification History
Feature History
Release Modification
1.0 ISDN PRI was initially introduced.
3.5 ISDN PRI was enhanced to include certain PRI variants (PBX access) and
selected PRI supplementary services.
4.1 -UNSUPP tokens were changed to -SUPP.
Documentation change (08/25/2003)—Updated Figure 1-1
Removed the line “and in the FACILITY message in the network-to-user
direction as an optional IE” from Table 1-1.
4.2 No change.
4.4.0
4.4.1
Added Generic and Info Digit features, revised Network Side and User
Side graphics and content, reorganized provisioning content.
Added NFAS, and D-channel Backup provisioning and troubleshooting
content.
4.5 No change.
5.0 Added status and control commands for D-channels and decoupled trunk
group from the D-channel. Added support for multiple trunk groups in a
single D-channel and ISDN backhauling using IUA/SCTP.

vi
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
Preface
Industry Standards.
Obtaining Documentation, Obtaining Support, and Security
Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback,
security guidelines, and also recommended aliases and general Cisco documents, 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
Standards Title
RFC 3057 RFC 3057— ISDN Q.921-User Adaptation Layer
RFC 2960 RFC 2960—Stream Control Transmission Protocol

CHAPTER
1-1
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
1
ISDN Provisioning
Revised: January 31, 2008, OL-12436-02
This chapter describes ISDN provisioning for the Cisco BTS 10200 Softswitch. It provides the
procedures for turning up, managing, and troubleshooting ISDN signaling on the Cisco BTS 10200
Softswitch and voice gateways.
For SCTP/IUA ISDN Provisioning
The basic ISDN network elements and signaling connections are shown in Figure 1-1. Standby elements
in the figure are omitted for clarity.
Figure 1-1 ISDN Network Elements
Note The Cisco BTS 10200 Softswitch Call Agent (CA) supports multiple voice gateways, or PBXs.
PBX Phone
IP
network
Cisco voice
gateway
Backhaul session,
Q.931 messaging
PRI T1s with one D channel
and 23 B channels per T1
52074
V
IP
network

1-2
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
Chapter 1 ISDN Provisioning
Description of Backhaul Set, Group, and Session
Description of Backhaul Set, Group, and Session
The backhaul session parameters used in provisioning are illustrated in Figure 1-2. As shown in the
figure, Call Agent Side A is connected to the media gateway (MGW) using the Group A signaling paths
(Sessions A1 and A2), and is designated as primary. If one of these sessions goes down, the system uses
the other session for signaling between Call Agent Side A and the MGW. There is no need for the
Softswitch to switch over to Call Agent Side B. If the primary Call Agent goes down, then the Cisco
BTS 10200 switches to the secondary Call Agent.
Figure 1-2 Backhaul Set, Group, and Session
52075
IP network
Voice gateway
Cisco AS5300
Gbit Ethernet
Ethernet
Router
Router
Call agent
backhaul port
Call agent
backhaul port
Call agent
backhaul ports
Backhaul set
Group B
Group A
Session A1
Session A2
MGW backhaul port
Sessions B1 and B2
are established on
Group B. They become
active if the Side B Call
Agent takes over from
the Side A Call Agent
due to a switchover.
Router
DNS
Softswitch
Physical link
Group A logical link
Group B logical link
Legend:
Call agent
Side B (secondary)
Call agent
Side A (primary)

1-3
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
Chapter 1 ISDN Provisioning
Network Side PRI
Network Side PRI
The Network Side PRI feature allows the Cisco BTS 10200 Softswitch to communicate with PBXs. This
feature provides support for the ISDN PRI Network Side basic call-control procedures as described in
Q.931 ISDN Call Control Procedures. The network-side stack has the following PRI variants enabled:
• ISDN US NI2 PRI (TR 1268)
• ISDN Q931 PRI
• ISDN DMS
• ISDN ATT 4ESS PRI
• ISDN ATT 5ESS PRI
Figure 1-3 shows a sample PRI network-side configuration.
Figure 1-3 PRI Network-Side Configuration
SIP Phones
119938
PRI User Side
Signaling
Network Side
Cisco BTS 10200
IP
Network
(VoIP)
Gateway
PSTN
PBX
SS7
PRI Network Side
Signaling

1-4
Cisco BTS 10200 Softswitch ISDN Provisioning and Troubleshooting
OL-12436-02
Chapter 1 ISDN Provisioning
User Side PRI
User Side PRI
The User Side PRI feature allows provisioning when the Cisco BTS 10200 Softswitch does not support
the SS7 variant of a particular country. This feature provides support for the ISDN PRI User Side basic
call-control procedures as described in Q.931 ISDN Call Control Procedures. The user-side stack has the
following PRI variants enabled:
• ISDN US NI2 PRI (TR 1268)
• ISDN Q931 PRI
• ISDN DMS
• ISDN ATT 4ESS PRI
• ISDN ATT 5ESS PRI
Figure 1-4 shows a sample PRI user-side configuration.
Figure 1-4 PRI User-Side Configuration
Cisco BTS 10200 Provisioning
This section provides an overview of the Cisco BTS 10200 Softswitch provisioning steps. The basic
Cisco BTS 10200 provisioning sequence is shown below.
Note These steps provision ISDN-specific data in the Cisco BTS 10200 Softswitch database. Referenced data
tables, such as Dial Plan and Subscriber Profile must already be provisioned. Additional commands are
also necessary to provision routing and translation for ISDN channels (see the Cisco BTS 10200
Softswitch Command Line Interface Reference Guide).
119937
SIP Phones
User Side
Cisco BTS 10200
IP Network
(VoIP)
Gateway
PSTN
PRI User Side
Signaling
PRI Network Side
Signaling