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This chapter describes the function and displays the syntax of each Integrated Services Digital Network (ISDN) command. For more information about defaults and usage guidelines, see the corresponding chapter of the Wide-Area Networking Command Reference.
To enable negotiation of authentication with a router or bridge that supports the Combinet Proprietary Protocol (CPP) and that is calling in to this router, use the cpp authentication interface configuration command.
cpp authenticationTo enable the router to accept callback from a Combinet router or bridge that supports the Combinet Proprietary Protocol (CPP), use the cpp authentication interface configuration command.
cpp callback acceptTo enable encapsulation for communication with routers or bridges using the Combinet Proprietary Protocol (CPP), use the encapsulation cpp interface configuration command.
encapsulation cppTo configure a Basic Rate Interface (BRI) interface and enter interface configuration mode, use the interface bri global configuration command.
interface bri numberTo configure a BRI subinterface only, use the following form of the interface bri global configuration command:
interface bri number.subinterface-number [multipoint | point-to-point]| number | Port, connector, or interface card number. The numbers are assigned at the factory at the time of installation or when added to a system, and can be displayed with the show interfaces command. |
| .subinterface-number | Subinterface number in the range 1 to 4294967293. The number that precedes the period (.) must match the number this subinterface belongs to. |
| multipoint | point-to-point | (Optional) Specifies a multipoint or point-to-point subinterface. The default is multipoint. |
To have the router verify a called-party number or subaddress number in the incoming setup message for ISDN BRI calls, if the number is delivered by the switch, use the isdn answer1 interface configuration command. To remove the verification request, use the no form of this command.
isdn answer1 [called-party-number][:subaddress]To have the router verify an additional called-party number or subaddress number in the incoming setup message for ISDN BRI calls, if the number is delivered by the switch, use the isdn answer2 interface configuration command. To remove this second verification request, use the no form of this command.
isdn answer2 [called-party-number][:subaddress]| called-party-number | (Optional) Telephone number of the called party. At least one value--called-party-number or subaddress--must be specified. |
| : | Identifies the number that follows as a subaddress. Use the colon (:) when you configure both the called party number and the subaddress, or when you configure only the subaddress. |
| subaddress | (Optional) Subaddress number, 20 or fewer characters long, used for ISDN multipoint connections. At least one value--called-party-number or subaddress--must be specified. |
To configure ISDN caller ID screening, use the isdn caller interface configuration command. To disable this feature, use the no form of this command.
isdn caller number| number | Telephone number for which to screen. Specify an x to represent a single "don't-care" character. The maximum length of each number is 25 characters. |
To configure an Australian basic-TS013 ISDN BRI interface to present a billing number of the device making the outgoing call, use the isdn calling-number interface configuration command. To remove a previously configured calling number, use the no form of this command.
isdn calling-number calling-number| calling-number | Number of the device making the outgoing call; only one entry is allowed and it is limited to 16 digits. |
For incoming calls, to override the speed that the network reports it will use to deliver the call data, use the isdn not-end-to-end interface configuration command.
isdn not-end-to-end {56 | 64}| 56 | 64 | Line speed used for incoming calls that are not ISDN from end to end. |
Use the isdn spid1 interface configuration command to define at the router the service profile identifier (SPID) number that has been assigned by the ISDN service provider for the B1 channel. Use the no form of this command to disable the specified SPID, thereby preventing access to the switch. If you include the local directory number (LDN) in the no form of this command, the access to the switch is permitted, but the other B channel may not be able to receive incoming calls.
isdn spid1 spid-number [ldn]| spid-number | Number identifying the service to which you have subscribed. This value is assigned by the ISDN service provider and is usually a 10-digit telephone number with some extra digits. |
| ldn | (Optional) Local directory number, as delivered by the service provider in the incoming setup message. This is a 7-digit number assigned by the service provider. |
Use the isdn spid2 interface configuration command to define at the router the SPID number that has been assigned by the ISDN service provider for the B2 channel. Use the no form of this command to disable the specified SPID, thereby preventing access to the switch. If you include the LDN in the no form of this command, the access to the switch is permitted, but the other B channel might not be able to receive incoming calls.
isdn spid2 spid-number [ldn]| spid-number | Number identifying the service to which you have subscribed. This value is assigned by the ISDN service provider and is usually a 10-digit telephone number with some extra digits. |
| ldn | (Optional) Local directory number, as delivered by the service provider in the incoming setup message. This is a 7-digit number also assigned by the service provider. |
To configure a central office switch on the ISDN interface, use the isdn switch-type global configuration command.
isdn switch-type switch-type| switch-type | Service provider switch type. |
To configure when ISDN Layer 2 terminal endpoint identifier (TEI) negotiation should occur, use the isdn tei global configuration command. Use the no form of this command to restore the default.
isdn tei [first-call | powerup]| first-call | (Optional) ISDN TEI negotiation occurs when the first ISDN call is placed or received. |
| powerup | (Optional) ISDN TEI negotiation occurs when the router is powered on. |
Use the linecode controller configuration command to select the line-code type for the T1 or E1 line attached to an ISDN Primary Rate Interface (PRI).
linecode {b8zs | hdb3}| b8zs | Binary 8-zero substitution (B8ZS) linecode, used on the T1 line attached to an ISDN Primary Rate Interface (PRI). |
| hdb3 | High-density bipolar 3 (HDB3) linecode, used on the E1 line attached to an ISDN Primary Rate Interface (PRI). |
To specify ISDN Primary Rate Interface (PRI) on a channelized T1 card on the Cisco 7000 series, use the pri-group controller configuration command. Use the no form of this command to remove the ISDN PRI.
pri-group [timeslots range]| timeslots range | (Optional) Specifies a single range of values from 1 to 23. |
To display information about the ISDN Basic Rate Interface (BRI), use the show controllers bri privileged EXEC command.
show controllers bri number| number | Interface number. The value is 0 through 7 if the router has one BRI Network Interface Module (NIM) or 0 through 15 if the router has two BRI NIMs. |
Use the show interfaces bri privileged EXEC command to display information about the BRI D channel or about one or more B channels.
show interfaces bri number[[:bchannel] | [first] [last]] [accounting]| number | Interface number. The value is 0 through 7 if the router has one BRI NIM, or 0 through 15 if the router has two BRI NIMs. Specifying just the number will display the D channel for that BRI interface. |
| :bchannel | (Optional) Specific B channel number, preceded by a colon. |
| first | (Optional) Specifies the first of the B channels; the value can be either 1 or 2. |
| last | (Optional) Specifies the last of the B channels; the value can only be 2, indicating B channels 1 and 2. |
| accounting | (Optional) Displays the number of packets of each protocol type that have been sent through the interface. |
To display the information about memory, Layer 2 and Layer 3 timers, and the status of PRI channels, use the show isdn global configuration command.
show isdn {memory | timers | services}| memory | Displays memory pool statistics. This keyword is for use by technical development staff only. |
| timers | Displays the values of Layer 2 and Layer 3 timers. |
| services | Displays the status of PRI channels. |
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