Provisioning the ISDN Line

If you are in North America and do not use an NI1 switch, Cisco strongly recommends familiarizing yourself with provisioning terminology related to other switch types so that communication with your telephone service provider goes more smoothly.

Before Ordering an ISDN Line

Before you order an ISDN line, you must decide the following:

Whether to order only data applications or both data and voice applications. A data application is one that runs over a B channel of any Cisco 800 series router. A voice application is one that runs over the telephone interface of Cisco 803 or Cisco 804 routers.
Which data and voice application features you want to order.
Which ISDN switch to use.
If you use a National ISDN-1 (NI1) switch, which capability package, if any, to use. A capability package is a set of standardized ISDN line features that simplify the ISDN line configuration.

Data and Voice Applications

You must decide whether to order only data applications or both data and voice applications.

All Cisco 800 series routers support data applications.
Cisco 803 and Cisco 804 routers also support voice applications.
Some telephone service providers charge a lower rate for an ISDN line that supports only data applications.

Note If you do not need voice capability on your ISDN line, Cisco recommends provisioning your ISDN line for only data applications.

Data and Voice Application Features

After you decide which applications to order, you must decide the features you want. Table B-1 describes the data application features supported by the ISDN BRI line, and Table B-2 describes the voice application features.

Contact your telephone service provider to find out if any of these features require an additional fee and the amount of the fee.

Table B-1: ISDN BRI Data Applications

Feature Description

Caller ID calling party identification

Identifies the remote system that originated the call.

Subaddressing

Provides locally addressed terminals within a specific ISDN access area.

Feature	Description
Caller ID calling party identification	Identifies the remote system that originated the call.
Subaddressing	Provides locally addressed terminals within a specific ISDN access area.

Table B-2: ISDN BRI Voice Applications

Feature Description

Speech/3.1-kHz audio-bearer capability

Cisco 803 and Cisco 804 routers support voice applications.

Multiple subscriber numbers (MSN)

Supports multiple directory numbers on the same ISDN line. Each piece of terminal equipment is assigned its own directory number.

Call holding and retrieving

A call in progress can be put on hold and then retrieved.

Call waiting

During a voice call, the call-waiting tone is generated when a second voice call is received.

Call bumping

When two data calls are in progress and additional call offering (ACO) is provisioned, the router either ignores a voice call or disconnects a data call to accept the voice call. (Also referred to as voice priority.)

Call transferring

Transfers an active call to another telephone number.

Three-way call conferencing

Adds a third party to an existing call.

Call forwarding

Forwards an incoming call to a third party.

Caller ID, calling party identification

Identifies the billing number associated with the line that originated the call.

Caller ID

Displays telephone number of remote system that originated the call on a device connected to a telephone port.

Feature	Description
Speech/3.1-kHz audio-bearer capability	Cisco 803 and Cisco 804 routers support voice applications.
Multiple subscriber numbers (MSN)	Supports multiple directory numbers on the same ISDN line. Each piece of terminal equipment is assigned its own directory number.
Call holding and retrieving	A call in progress can be put on hold and then retrieved.
Call waiting	During a voice call, the call-waiting tone is generated when a second voice call is received.
Call bumping	When two data calls are in progress and additional call offering (ACO) is provisioned, the router either ignores a voice call or disconnects a data call to accept the voice call. (Also referred to as voice priority.)
Call transferring	Transfers an active call to another telephone number.
Three-way call conferencing	Adds a third party to an existing call.
Call forwarding	Forwards an incoming call to a third party.
Caller ID, calling party identification	Identifies the billing number associated with the line that originated the call.
Caller ID	Displays telephone number of remote system that originated the call on a device connected to a telephone port.

The data and voice applications described in this section might be referred to by different names, depending on the telephone service provider. The terms can differ even within a country. Table B-3 lists the names and codes that could be used by telephone service providers outside of North America.

Table B-3: ISDN Terms Used Outside the North America

North America Name Other Names Code

Call hold and retrieve

Call hold

CH HOLD

Call waiting

Anklopfen¹

CW

Multiple subscriber numbers

Extended addressing
Selection directe a l'arrive

SDA MSN

¹Germany only

North America Name	Other Names	Code
Call hold and retrieve	Call hold	CH HOLD
Call waiting	Anklopfen¹	CW
Multiple subscriber numbers	Extended addressing Selection directe a l'arrive	SDA MSN

ISDN Switch Types

Geographic location determines the switch types that are available. The following sections describe the switch types available in North America and outside of North America.

North American ISDN Switches

The Cisco 800 series routers support the following switches in North America:

National ISDN-1 (NI1) switches comply with ISDN standards. Lucent, Northern Telecom (Nortel), and other manufacturers support these standards.

Note Switches that comply with the NI1 standard provide the best performance with the call-bumping feature. If you order this feature, Cisco recommends using an NI1 switch.

Lucent 5ESS custom switches can run in either custom mode or NI1 mode. In custom mode, the switch can operate in either a point-to-point or a multipoint configuration. Point-to-point configuration supports one piece of terminal equipment on the BRI line and does not require service profile identifiers (SPIDs). Multipoint configuration supports multiple pieces of terminal equipment on the same BRI line and requires SPIDs.

Note When ordering a Lucent 5ESS ISDN line to support multiple voice calls, provision the line for call appearances 1 and 2.

Nortel DMS-100 custom switches support a custom mode used with older terminal equipment.

International Switches

Cisco 800 series routers support most ISDN BRI lines outside North America, which generally use one of the following switch types:

EURO-ISDN
1TR6
VN3
TPH
Nippon Telegraph and Telephone (NTT)

Note The Cisco 800 series routers support 1TR6 switches for data applications only. The routers do not support 1TR6 switches for voice applications.

NI1 Capability Packages and National ISDN Ordering Codes

A capability package is a set of standardized BRI line features that simplify the process of configuring an ISDN line that is connected to an NI1 switch. The capability package ordering codes (also referred to as ISDN Ordering Codes (IOCs) described in this section apply to NI1 switches.

Note Cisco 803 and Cisco 804 routers require two SPIDs for the telephone ports to operate simultaneously, so that you can have a data and a voice call at the same time. If a line is assigned only one SPID, the analog telephone ports cannot operate simultaneously.

If you are not using an NI1 switch, you must order your ISDN line configured as described in the "Other Switches" section later in this appendix.

If you have any problems with your ISDN NI1 provisioning, contact Cisco ISDN Support Services (U.S. only). To access this service or to obtain more information, call (800) 553-NETS (6387) and select the Customer Service option, or visit the Cisco ISDN web site at http://www.cisco.com/isdn.

Capability Package R

Package R provides circuit-switched data on both B channels (no voice capabilities). Data capabilities include calling number identification. Cisco recommends this NI1 capability package for Cisco 801 and Cisco 802 routers.

Capability Package S

Package S provides alternate voice and circuit-switched data with no additional features. Cisco recommends this NI1 capability package for Cisco 803 and
Cisco 804 routers when you want a minimum feature set.

Capability Package EZ-1 or U

Package EZ-1 provides alternate voice and circuit-switched data with all the features and capabilities of the router enabled. Cisco recommends this NI1 capability package for Cisco 803 and Cisco 804 routers when a full feature set is needed. The features include flexible calling (three-way call conferencing, call transfer, call hold and retrieve), ACO (call waiting), and call forward variable (CFV).

EZ-1, EZ-ISDN 1, and U refer to the same capability package.

Other Switches

This section contains provisioning summaries for other switches. Each summary is a list of codes used by the telephone service provider when installing and configuring your line. When you order your ISDN line, photocopy the appropriate summary for your ISDN switch type, and attach it to your order form, which will ensure that your ISDN line is ordered correctly.

The term provisioning refers to the features that can be ordered and configured on the ISDN BRI line before terminal equipment, such as the router, can use the features.

Cisco recommends using the BRI switch provisions listed in the "Lucent 5ESS Custom Provisioning" and "Nortel DMS-100 Custom Provisioning" sections in this appendix to support voice priority on one BRI B channel.

Table B-4 provides a list of commonly used ISDN terms and their definitions that you might find helpful when deciding how to provision your ISDN line and when ordering your ISDN line.

Table B-4: ISDN BRI Line Provisioning Terms

Term Definition

CSD

Circuit-switched data---Number of B channels that can be simultaneously connected for circuit-switched data calls.

CSD CHL

Circuit-switched data channel---B channels used for data calls.

CSD LIMIT

Circuit-switched data limit---Number of data calls made simultaneously.

CSV

Circuit-switched voice---Number of B channels simultaneously connected for voice calls.

CSV ACO

Circuit-switched voice additional call offering---Indicates an additional call when the B channel is being used.

CSV CHL

Circuit-switched voice channel---B channels used for voice calls.

CSV LIMIT

Circuit-switched voice limit---Number of voice calls made simultaneously.

CSV NBLIMIT

Circuit-switched voice notification busy limit---Number of additional voice calls allowed.

EKTS

Key system option---Whether or not a key system is being used. (In a key system, multiple telephone numbers are shared across terminals.)

MAXB CHL

Maximum B channels---Number of B channels used simultaneously.

MTERM

Maximum terminals---Number of terminals active on the BRI line.

TERMTYP

Terminal type---Terminal type used on the BRI line. Valid types for NI1 switches are Type A and Type C.

Term	Definition
CSD	Circuit-switched data---Number of B channels that can be simultaneously connected for circuit-switched data calls.
CSD CHL	Circuit-switched data channel---B channels used for data calls.
CSD LIMIT	Circuit-switched data limit---Number of data calls made simultaneously.
CSV	Circuit-switched voice---Number of B channels simultaneously connected for voice calls.
CSV ACO	Circuit-switched voice additional call offering---Indicates an additional call when the B channel is being used.
CSV CHL	Circuit-switched voice channel---B channels used for voice calls.
CSV LIMIT	Circuit-switched voice limit---Number of voice calls made simultaneously.
CSV NBLIMIT	Circuit-switched voice notification busy limit---Number of additional voice calls allowed.
EKTS	Key system option---Whether or not a key system is being used. (In a key system, multiple telephone numbers are shared across terminals.)
MAXB CHL	Maximum B channels---Number of B channels used simultaneously.
MTERM	Maximum terminals---Number of terminals active on the BRI line.
TERMTYP	Terminal type---Terminal type used on the BRI line. Valid types for NI1 switches are Type A and Type C.

Lucent 5ESS Custom Provisioning

Table B-5 lists the provisioning summary for Lucent 5ESS custom switches.

Table B-5: Lucent 5ESS Custom Switch Provisioning Summary

Line Provision Configuration

2B1Q line code¹

N/A

2B&D line

N/A

B1

Circuit-switched data or voice/data²

B2

Circuit-switched data or voice/data³

D

Signaling only

MTERM

1

MAXB CHNL

2

ACT USR

Y

CSD

2

CSD CHL

Any

TERMTYP

Type A

DISPLAY

Y

CA PREF

1

Call transfer

Y

Three-way call conferencing

Y

¹Order this line provision when connecting the router to the U interface.
²If you do not need voice capability, provision B1 for data only.
³If you do not need voice capability, provision B2 for data only.

Line Provision	Configuration
2B1Q line code¹	N/A
2B&D line	N/A
B1	Circuit-switched data or voice/data²
B2	Circuit-switched data or voice/data³
D	Signaling only
MTERM	1
MAXB CHNL	2
ACT USR	Y
CSD	2
CSD CHL	Any
TERMTYP	Type A
DISPLAY	Y
CA PREF	1
Call transfer	Y
Three-way call conferencing	Y

Note Incoming voice priority is not available with Lucent 5ESS custom switches.

You can order the following additional features with the Lucent 5ESS custom switch:

Caller ID, calling party identification
Call forwarding
Call pickup

Nortel DMS-100 Custom Provisioning

Table B-6 lists the provisioning summary for DMS-100 custom switches. Some telephone service providers do not support additional call offering U (ACOU). If your service provider does not support ACOU, use the provisioning summary listed in Table B-7.

Table B-6: Nortel DMS-100 Custom Provisioning Summary (ACOU Supported)

Line Provision Configuration

2B1Q line code

¹

2B&D line

N/A

Version to Functional Signaling

N/A

Issue 2 (NI1)

N/A

Call transfer

Yes

Three-way call conferencing

Yes

TEI

Dynamic

CS

Yes

EKTS

No

Set Option

Key 1-ACOU 1
Key 2-AFC

¹Order this line provision when connecting the router to the U interface.

Line Provision	Configuration
2B1Q line code	¹
2B&D line	N/A
Version to Functional Signaling	N/A
Issue 2 (NI1)	N/A
Call transfer	Yes
Three-way call conferencing	Yes
TEI	Dynamic
CS	Yes
EKTS	No
Set Option	Key 1-ACOU 1 Key 2-AFC

Table B-7: Nortel DMS-100 Provisioning Summary (ACOU Not Supported)

Line Provision Configuration

2B1Q line code

¹

2B&D line

N/A

Version to functional signaling

N/A

Issue 2 (NI1)

N/A

TEI

Dynamic

CACH

No

CS

Yes

Call transfer

Yes

Three-way call conferencing

Yes

EKTS

Yes

Set option

2 call appearances

¹Order this line provision when connecting the router to the U interface.

Line Provision	Configuration
2B1Q line code	¹
2B&D line	N/A
Version to functional signaling	N/A
Issue 2 (NI1)	N/A
TEI	Dynamic
CACH	No
CS	Yes
Call transfer	Yes
Three-way call conferencing	Yes
EKTS	Yes
Set option	2 call appearances

ISDN Leased-line Speeds

The Cisco 800 series routers support ISDN leased-line speeds of 64, 128,
and 144 kbps.

Ordering an ISDN Line

To order an ISDN BRI line, you need to contact your telephone service provider (usually the telephone company) and do the following:

Step 1 Order a single 128-kbps ISDN BRI line for your router.

The ISDN BRI service provides two bearer channels (B channels) and one data channel (D channel). B channel service operates at 64 kbps and carries user data. D-channel service operates at 16 kbps and carries control and signaling information, although it can support user data transmission.

Step 2 Order the data and voice features that you want.

If you are planning to use an NI1 switch, you can order a capability package described in the "NI1 Capability Packages and National ISDN Ordering Codes" section in this appendix. If you are planning to use a switch other than an NI1 switch, refer to the provisioning summary information described in either the "Lucent 5ESS Custom Switch" and "Nortel DMS-100 Custom Provisioning" sections in this appendix to select features.

Step 3 If you have Cisco 803 or Cisco 804 routers, order the additional call offering option if desired.

With this feature, the router can handle voice calls while in use.

Step 4 Obtain and record the following information from your telephone service provider:

a. ISDN switch type.

b. Service profile identifiers (SPIDs). SPIDs are numbers assigned only by North American telephone service providers. SPIDS identify the ISDN B channels. The SPID format is generally an ISDN telephone number with several numbers added to it, for example, 40855512340101. Depending on the switch type that supports your ISDN BRI line, your ISDN line could be assigned none, one, or two SPIDs.

Router Software Configuration Requirements

This section is a list of configuration requirements for Cisco 800 series routers when using specific BRI switch types.

NI1 Switch

Table B-7 lists the router configuration requirements when using Cisco 800 series routers with a Lucent 5E NI1 switch in a multipoint configuration.

Note The NI1 switch does not support a point-to-point configuration.

Table B-8: NI1 Configuration

Parameter Configuration Software Command

Switch type

NI1

isdn switch-type basic-ni1¹

SPID, directory number

Cisco 801 and 802 routers require one SPID;
Cisco 803 and 804 routers require two SPIDs.

isdn spid1 spid-number ldn²

isdn spid2 spid-number ldn

¹If the automatic detection of ISDN switch type is enabled, you do not need to enter this command.
²If the automatic detection of SPIDs is enabled, you do not need to specify the actual SPID number provided by your telephone service provider; instead, you can specify any number or numerical string, such as 0.

Parameter	Configuration	Software Command
Switch type	NI1	isdn switch-type basic-ni1¹
SPID, directory number	Cisco 801 and 802 routers require one SPID; Cisco 803 and 804 routers require two SPIDs.	isdn spid1 spid-number ldn² isdn spid2 spid-number ldn

Lucent 5ESS Custom Switch

This section describes the router configuration requirements for using
Cisco 800 series routers with a Lucent 5ESS custom switch.

Point-to-Point Configuration

Table B-9 lists the router configuration requirements for using a Lucent 5ESS custom switch in a point-to-point configuration.

Table B-9: Lucent 5ESS Custom Point-to-Point Configuration

Parameter Configuration Software Command

Switch type

5ESS

isdn switch-type basic-5ess¹

SPIDs, directory number

SPIDs are not required; directory number is optional

isdn spid1 spid-number ldn²

isdn spid2 spid-number ldn

¹If the automatic detection of ISDN switch type is enabled, you do not need to enter this command.
²If SPIDs are not used or if the automatic detection of SPIDs is enabled, you do not need to specify an actual SPID number provided by your telephone service provider; instead, you can specify any number or numerical string, such as 0.

Parameter	Configuration	Software Command
Switch type	5ESS	isdn switch-type basic-5ess¹
SPIDs, directory number	SPIDs are not required; directory number is optional	isdn spid1 spid-number ldn² isdn spid2 spid-number ldn

Multipoint Configuration

Table B-10 lists the router configuration requirements for using Lucent 5ESS custom switch in a multipoint configuration.

Table B-10: Lucent 5ESS Custom Multipoint Configuration

Parameter Configuration Software Command

Switch type

5ESS

isdn switch-type basic-5ess¹

SPIDs, directory number

Cisco 801 and Cisco 802 routers require one SPID; Cisco 803 and Cisco 804 routers require two SPIDs; directory number is recommended

isdn spid1 spid-number ldn²

isdn spid2 spid-number ldn

¹If the automatic detection of ISDN switch type is enabled, you do not need to enter this command.
²If the automatic detection of SPIDs is enabled, you do not need to specify the actual SPID number provided by your telephone service provider; instead, you can specify any number or numerical string, for example, 0.

Parameter	Configuration	Software Command
Switch type	5ESS	isdn switch-type basic-5ess¹
SPIDs, directory number	Cisco 801 and Cisco 802 routers require one SPID; Cisco 803 and Cisco 804 routers require two SPIDs; directory number is recommended	isdn spid1 spid-number ldn² isdn spid2 spid-number ldn

Nortel DMS-100 Switch

This section describes the router configuration requirements for using Cisco 800 series routers with a DMS-100 switch.

Configure a Router Only

Table B-11 lists the router configuration requirements for using the router only on a Nortel DMS-100 line.

Table B-11: Nortel DMS-100---Router Only

Parameter Configuration Software Command

Switch type

DMS

isdn switch-type basic-dms100¹

SPIDs, directory numbers

Two required

isdn spid1 spid-number ldn²

isdn spid2 spid-number ldn

¹If the automatic detection of ISDN switch type is enabled, you do not need to enter this command.
²If the automatic detection of SPIDs is enabled, you do not need to specify the actual SPID number provided by your telephone service provider; instead, you can specify any number or numerical string, such as 0.

Parameter	Configuration	Software Command
Switch type	DMS	isdn switch-type basic-dms100¹
SPIDs, directory numbers	Two required	isdn spid1 spid-number ldn² isdn spid2 spid-number ldn

Configure a Router and One Device

Table B-12 lists the router configuration requirements for using a Nortel DMS-100 switch when using the router and one device on the ISDN line.

Note In this configuration, the router can use only one B channel.

Table B-12: Nortel DMS-100---Router and One Device

Parameter Configuration Software Command

Switch type

DMS

isdn switch-type basic-dms100¹

SPIDs, directory number

One required

isdn spid1 spid-number ldn²

isdn spid2 spid-number ldn

¹If the automatic detection of ISDN switch type is enabled, you do not need to enter this command.
²If the automatic detection of SPIDs is enabled, you do not need to specify the actual SPID number provided by your telephone service provider; instead, you can specify any number or numerical string, such as 0.

Parameter	Configuration	Software Command
Switch type	DMS	isdn switch-type basic-dms100¹
SPIDs, directory number	One required	isdn spid1 spid-number ldn² isdn spid2 spid-number ldn

Configuration Requirements for Switches Outside North America

ISDN BRI lines used outside North America are not assigned SPIDs. The optional argument, spid-number, in some of the software commands should be ignored or omitted if you are connecting to a line that does not use SPIDs.

1TR6 Switch

The 1TR6 lines can be configured for multiple subscriber numbers, usually referred to as "extended addressing" in Germany. The line is usually assigned a group of eight sequential directory numbers that can be used for the different pieces of terminal equipment used on the BRI line. These numbers are also used for allocation to the analog telephone port and for call routing.

Table of Contents

Provisioning the ISDN Line