Dialing Number Enhancement
Feature History
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12.2(11)T |
This feature was introduced. |
This document describes the Asynchronous Line Monitoring feature feature. It includes the following sections:
Feature Overview
The Asynchronous Line Monitoring feature feature removes previous restrictions on the number of dialed digits accepted as a valid telephone number in the Called Party number information element (IE) for the National or International numbering types.
Benefits
The Asynchronous Line Monitoring feature feature is a change to the Cisco IOS software that makes the ISDN dialing plan more flexible by allowing a range rather than a restricted number of digits to be accepted for dialing.
Restrictions
The Asynchronous Line Monitoring feature feature was developed for interfaces configured for network-side ISDN where the Called Party IE digits are of National or International numbering types.
Related Documents
Refer to the chapter “Configuring Network Side ISDN PRI Signaling, Trunking, and Switching” in the part “Signaling Configuration” in the Cisco IOS Dial Technologies Configuration Guide, Release 12.2, for more information about configuring network-side ISDN switches.
Configuration Tasks
No new commands are associated with the Asynchronous Line Monitoring feature feature. See the “Troubleshooting Tips” section for information about verifying numbering plans and switch types configured. See the “Configuration Examples” section for configuration examples.
Troubleshooting Tips
To learn and, if necessary, change the numbering plan and type currently configured on the ISDN interface, perform the following steps:
Step 1 To learn the numbering plan and type currently configured, use the debug isdn q931 command in EXEC mode:
4w1d: ISDN Se0:23: TX -> SETUP pd = 8 callref = 0x000D
4w1d: Bearer Capability i = 0x8890
4w1d: Channel ID i = 0xA98397
4w1d: Called Party Number i = 0xA1, ’12345’, Plan:ISDN, Type:National
4w1d: ISDN Se0:23: RX <- RELEASE_COMP pd = 8 callref = 0x800D
The Called Party Number report lists the numbering plan and type.
Step 2 To change the numbering plan and type, use the isdn map command in interface configuration mode. Use the command line interface help feature to list the choices.
Router(config-if)# isdn map address 78886 plan ?
reserved Reserved extension
reserved/7 Reserved value 7
Router(config-if)# isdn map address 78886 plan isdn type ?
abbreviated Abbreviated type
international International type
reserved/5 Reserved value 5
subscriber Subscriber type
Step 3 To force the ISDN numbering plan and National type on the peer (calling number) side, use the isdn map command with the following keywords in interface configuration mode:
Router(config-if)# isdn map address telephone-number plan isdn type national
Monitoring and Maintaining Asynchronous Line Monitoring feature
To monitor and maintain the Asynchronous Line Monitoring feature feature, use the procedure in the “Troubleshooting Tips” section.
You may also find the following EXEC command useful for displaying an extensive report about the ISDN interfaces, including the switch type and the status of ISDN Layers 1 through 3:
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Router# show isdn status [ interface-type number ] |
Displays the status of all ISDN interfaces, or just the specified interface. |
Configuration Examples
This section provides the following configuration examples:
Data Call Asynchronous Line Monitoring feature Example
The following example shows configurations for inserting telephone numbers with varying numbers of digits for data calls.
Figure 1 Data Call Asynchronous Line Monitoring
Peer Router Configuration
ip address 10.10.1.1 255.255.255.0
dialer string 19165551213
isdn switch-type primary-ni
isdn map address 19165551213 plan isdn type national
AS5300 Router Configuration
ip address 10.10.1.2 255.255.255.0
isdn switch-type primary-ni
isdn protocol-emulate network
Voice Call Asynchronous Line Monitoring feature Example
The following example shows configurations for inserting both PBX and public telephone service telephone numbers with varying numbers of digits for voice calls. The PBX is is configured for National ISDN with numbering type National.
Figure 2 Voice Call Asynchronous Monitoring
Cisco Voice Gateway 1 Configuration
isdn switch-type primary-ni
isdn protocol-emulate network
isdn incoming-voice modem
destination-pattern 50001
destination-pattern 14085551213
session target ipv4:10.0.194.2
dtmf-relay h245-signal h245-alphanumeric
Cisco Voice Gateway 2 Configuration
destination-pattern 50001
session target ipv4:10.0.194.52
dtmf-relay h245-signal h245-alphanumeric
Command Reference
This feature uses no new or modified commands. For information about all Cisco IOS commands, go to the Command Lookup Tool at http://tools.cisco.com/Support/CLILookup o r to the Cisco IOS Master Commands List.
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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.
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