Aastra 6751i RP Administrator's Manual page 31

4 Click Next, and select the phone line adapter (AastraLink RP 540 Gateway) you are adding to the network.
5 Click Next, and select the properties of the analog service lines connected to the AastraLink RP 540 Gateway. Enter a
description for each line, such as the local phone number and area code. If you want to block outbound calls through a
phone line, tick the Block Outbound Calls box for that line.
6 Click next to choose the prefix used to access analog service.
Note: If only analog service is configured, only the prefix 9 is available. If both analog and VoIP services are configured, you
can select which uses the prefix 9 and which uses the prefix 8.
7 Click Next and enter a name for your gateway. Ensure that the name you choose identifies the this AastraLink RO 540
Gateway from others on the network.
8 Click Finish to complete configuration of your analog voice service.
AastraLink RP System Administrator Guide 25