Teletronics Enterprise SIP Server - Manual (Page 14)

TELETRONICS INTERNATIONAL, INC.
13 Enterprise SIP Server Tutorial – Dial Plan
s-tut-dp1.51-041228
3.3. Filtering based on whether the Callee is Registered in the register
database or not.
Whether the callee is registered or not can be found in the conditional variable $registered.
When a callee is registered $registered=true
When a callee is not registered $registered=false
3.3.1. Registered callee’s calls will be routed through sip:ivr@domain
Matching Patterns Deploy Patterns
$request=^INVITE
$registered=true
to=sip:ivr@domain
3.3.2. To refuse calls to unregistered
Matching Patterns Deploy Patterns
$request=^INVITE
$registered=false
$action=603
3.3.3. If the callee is registered and correspondingly the SIP-URI prefix is “1”, the
caller will hear a busy signal
Matching Patterns Deploy Patterns
$registered=true
$request=^INVITE
to=sip:1.+
$action=686