Aastra DT4x3 for MX-ONE User Guide EN Manual de usuario descargar pdf (Pagina 38)

1424-EN/LZT 103 089 Uen D 2010-02-12 38

UTGOING CALLS

This is necessary in order to sign on to the third party set.

3. Press .

4. Enter your password.

5. Press to terminate the access to the service.

You may proceed with placing your external call in substitution from

the previous extension.

6. Dial the desired external number.

7. Press to make the call.

6.7 Least Cost Routing

Usually, you have access rights to the public network and all private

networks to which your facility is connected, and are authorized to dial

any type of external number. However, certain numbers may be blocked

by the system administrator, which means that attempts to call these

numbers will be refused automatically. Numbers that may be blocked

are, for instance, numbers to services provided by the public network,

and certain international destinations.

Most facilities are equipped with a Least Cost Routing (LCR) service for

external calls, especially when the facility is connected to private

networks or different public network operators.

The LCR service automatically ensures that the routing of external

numbers is processed with the least possible cost, or managed

according to the most optimal calling route.

Note: Abbreviated dialing numbers are never blocked. Moreover, you

can ask the system administrator or the facility attendants to add

a blocked number to the list of abbreviated dialing numbers.

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Aastra DT4x3 for MX-ONE User Guide EN Manual de usuario Pagina 38