User guide

Special Modes

8.4 Intercept

The call numbers of malicious callers can be stored in your network operator’s

exchange (if this service has been implemented). This function works even if the

caller has already hung up!

Note: The feature can only be activated on ISDN telephones.

9. Special Modes

9.1 Deactivating Least Cost Routing (LCR)

H## Z (dialling code, call no.)

For enquiry calls:

GR## Z (dialling code, call no.)

If you wish, you can deactivate Least Cost Routing, which always uses the cheapest

route for a call, and select a network operator yourself (this is known as “call by

call”). This feature cannot be used with a SIP terminal.

This procedure is only necessary if LCR is activated in the OpenCom 100 /

Aastra 800 for your user group.

9.2 Calling Selectively via Routes

H Z (routing code, call no.)

For enquiry calls:

GRZ (routing code, call no.)

A call to a desired party is set up automatically or selectively via routes in the

OpenCom 100 / Aastra 800. Your system administrator configures these routes in

the OpenCom 100 / Aastra 800 and defines the assignment of each route. By

selectively dialling the routing code prior to the (internal or external) call

number, you manually select a route for a particular call.

Selectively calling via routes allows you to reach parties in the branch offices of a

large corporate network, for example. By manually entering a routing code, you