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[RouterB] controller e1 2/3/0

[RouterB-E1 2/3/0] pri-set

[RouterB-E1-2/3/0] quit

# Assign interface Serial 2/1/0:15 created on E1 2/3/0 to dialer circular group 0, which is

associated with interface Dialer 0.

[RouterB] interface serial 2/1/0:15

[RouterB-Serial2/1/0:15] dialer circular-group 0

ISDN caller number callback configuration example

Network requirements

As shown in Figure 62, configure ISDN caller number callback on Router A and Router B by using

traditional DDR. Then, Router B can make a return call by using an ISDN caller number when Router A

calls Router B.

Figure 62 Network diagram

NOTE:

Make sure the stored program controlled switch (SPCS) in the ISDN network supports sending ISDN

calling numbers.

Configuration procedure

1. Configure Router A:

# Create dialer group 1 and configure a dial rule for it.

<RouterA> system-view

[RouterA] dialer-group 1 rule ip permit

# Configure an IP address for interface BRI 2/4/0.

[RouterA] interface bri 2/4/0

[RouterA-Bri2/4/0] ip address 100.1.1.1 255.255.255.0

# Enable traditional DDR on the interface.

[RouterA-Bri2/4/0] dialer circular enable

# Associate the interface with dialer group 1.

[RouterA-Bri2/4/0] dialer-group 1

# Configure the dial string for calling Router B.

[RouterA-Bri2/4/0] dialer route ip 100.1.1.2 8810052

# Set the holddown timer to 15 seconds.

[RouterA-Bri2/4/0] dialer timer enable 15

# Configure BRI 2/4/0 to carry ISDN calling number 8810048 in the message sent to the called

party.

[RouterA-Bri2/4/0] isdn calling 8810048

2. Configure Router B:

HP MSR Router Series User Manual

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