3Com VCX V7122 User Manual page 49

Table 15
Number Manipulation Parameters
Parameter
The manipulation rules are applied to any incoming call whose:
Destination number prefix matches the prefix defined in the 'Destination Number' field.
Source number prefix matches the prefix defined in the 'Source Prefix' field.
Source IP address matches the IP address defined in the 'Source IP' field (if applicable).
Note that number manipulation can be performed using a combination of each of the above criteria, or using
each criterion independently.
Note: For available notations that represent multiple numbers see
Num of stripped digits
Prefix / Suffix to add
Number of digits to leave
Note: The manipulation rules are executed in the following order:
1. Num of stripped digits
2. Number of digits to leave
3. Prefix / suffix to add
Figure 19 on the previous page exemplifies the use of these manipulation rules in the 'Source Phone
Number Manipulation Table for Tel IP Calls':
When destination number equals 035000 and source number equals 20155, the source number is
changed to 97220155.
When source number equals 1001876, it is changed to 587623.
Source number 1234510012001 is changed to 20018.
Source number 3122 is changed to 2312.
NPI
3Com VCX V7122 SIP VoIP Gateway User Manual
Description
Enter the number of digits that you want to remove from the left of the
telephone number prefix. For example, if you enter 3 and the phone
number is 5551234, the new phone number is 1234.
Enter the number of digits (in brackets) that you want to remove from the
right of the telephone number prefix.
Note: A combination of the two options is allowed (e.g., 2(3)).
Prefix - Enter the number / string you want to add to the front of the phone
number. For example, if you enter 9 and the phone number is 1234, the
new number is 91234.
Suffix - Enter the number / string (in brackets) you want to add to the end
of the phone number. For example, if you enter (00) and the phone
number is 1234, the new number is 123400.
Note: You can enter a prefix and a suffix in the same field (e.g., 9(00)).
Enter the number of digits that you want to leave from the right.
Select the Number Plan assigned to this entry.
You can select Unknown [0], Private [9] or E.164 Public [1].
The default is Unknown.
For a detailed list of the available NPI/TON values see
on page 51.
Dialing Plan Notation on page 50.
Numbering Plans
49