ITS Telecom CGW-I Installation And Operation Manual page 36

3. Add the Prefix and click OK. The number is added to the channel's
Allowed Prefix List.
Not to allow a specific prefix on either channel:
1. Check the Not Allowed checkbox to enable the Not Allowed Prefix
List pane. This list displays the cellular operator prefixes your
device cannot call.
2. Click the Add button. The Add Prefix window is displayed.
Note:
Prefixes should not conflict with any existing PBX LCR Rules.
3. Enter dialing prefix, then click OK. The number is added to the Not
Allowed Prefix List.
Editing a calling prefix:
1. Click the prefix you want to edit.
2. Click the Edit button to display Edit Prefix window for the
currently selected number.
3. Change the number and click OK. The updated number appears in
the prefix list.
Deleting a calling prefix:
1. Click the prefix you want to delete.
2. Click the Delete button to delete. You are asked to verify the
delete.
3. Click Yes to approve the delete. The prefix no longer appears on
the prefix list.
CGW-I Cellular Gateway BRI-GSM : Installation and Operation Manual
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