If your Brekeke SIP Server is assigned SIP Broker's SIP-Code, you can receive a call by using the SIP-Code. At this rule, the SIP-Code is "*7925" for example.
Rule "From SIP broker"
[Matching Patterns:]
$request = ^INVITE
To = \*7925(.+)@
[Deploy Patterns:]
To = %1@
$auth = off
2. For making a call by using SIP Broker.
The rule below allows to make a call to SIP Broker if the prefix is '*'.