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Deploying the snom ONE IP Telephone System
126
Using the example shown below, the system will use either the last 3 or 4 digits
of the 10-digit number, depending upon which string is used. (If the system
cannot find a matching DID, the call will be sent to extension 777.)
Option 2: Defined pattern with a start number lower than 4
When DID ending patterns are in the 100, 200, or 300 range, you should not create
extensions based on these numbers (extensions should begin with 4 or higher). As a
workaround, you will need to create aliases for the extensions, and to save time, this
should be done when you create the extensions. Once this is complete, a regular ex-
pression must be entered into the Send call to extension field so that the system will
replace the 10-digit DID with the alias number:
1.
Decide which alias numbers to use.
978 521-1100
978 521-1101
978 521-1102
978 521-1103
978 521-1104
978 521-1105
2. Enter the aliases into the corresponding extension accounts:
DID
Alias
100
101
102
103
104
105
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