Technical data

A.8 How to Set Up Call-by-Call to Mobile Phones 164
A.8 How to Set Up Call-by-Call to Mobile
Phones
To use Call-by-Call providers for international calls, set up the
HorstBox as follows:
• On the TELEPHONY change to the page DIAL RULES.
• In the section Dial Rules click on ADD.
• On the new page enter 015 into the PREFIXES . This rule is
valid for all calls to phone numbers beginning with 015.
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• Proceed for other prefixes accordingly.
common carrier Prefix
T-Mobile (0151*), 01511, 0160, 0170, 0171, 0175
Vodafone (0152*), 01520, 0162, 0172, 0173, 0174
E-Plus (0157*), 0163, 0177, 0178
O2 (0159*), 0176, 0179
* reserved, partially used already
• Activate the option Always.
• As rule activate the option connect.
• Leave the second field PREFIXES empty.
• In the field MODIFIER enter the prefix for the desired Call-
by-Call provider.
• Click on SAVE.
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Unfortunately a call rule to filter 01 will filter phone numbers beginning
with 0137, 0180x, 0190 as well.