Kerio Operator, 5 users, add-on User's Guide download pdf (Page 11)

3.4 Dial out setting

We will conﬁgure the newly purchased SIP trunk with the following steps:

1. In the administration interface, stay in section Conﬁguration → Call Routing and click on

Add a SIP interface....

2. In the Add SIP interface dialog, enter the name for the interface (for example provider2).

The name cannot contain spaces, national and special characters and must be unique.

3. Select the New provider option and enter the range of numbers assigned by the provider.

See the dialog for an example of setting a range of numbers. In the exemplary

implementation, we have a range of 10 numbers available, so we enter the number as

555 012X. Click on Next.

4. Proceed further according to the previous instructions (from step 5). Only set 0 as the

preﬁx.

Kerio Operator creates a new SIP interfaces together with rules for incoming and outgoing

calls.

Rules for call routing need to be adjusted:

1. In section Conﬁguration → Call Routing in table Interfaces and routing of incoming calls,

click on the line under the new SIP interface (provider2).

2. This opens the Edit Incoming Call dialog. Strip the called number from left to leave only

one digit (the last one) because we have been assigned a range of numbers with only one

valid digit. Since we use two-digit extensions, add digit 1 as a preﬁx to the called number.

Strip number 555 0120 to 0 and add 1. Thus we create the required operator’s extension

10. Mapping of a SIP trunk with an interval of numbers is in table 3.1

Interval of assigned numbers Mapped extensions

555 0120 10

555 0121 11

555 0122 12

555 0123 13

555 0124 14

555 0125 15

555 0126 16

555 0127 17

555 0128 18

555 0129 19

Table 3.1 Direct mapping of SIP trunk

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 17

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Kerio Operator, 5 users, add-on User's Guide Page 11