Dynamic Peer
Select if the trunk is a passive trunk which means the
registration will be from a dynamic remote peer. Typical
application is to accept registration from an IP PBX at a
remote site with dynamic IP address. Once the remote
IP PBX registers, calls from local to remote can be
made reversely over the trunk.
SIP Proxy IP
Specify IP address (or fully qualified domain name) and
UDP port of the remote SIP proxy, which usually refer to
the SIP server on the ITSP side.
SIP Proxy Port
Registration Required
Select if registration to a registrar is required to
activate the trunk. This is true for a remote IP PBX or an
ITSP account, however, may be not required in case of
a SIP gateway.
SIP Registrar IP
Specify IP address (or fully qualified domain name) and
UDP port of the remote SIP registrar, which usually
refer to the SIP server on the ITSP side (same as proxy).
SIP Registrar Port
Language
Preferred language for system instructions heard from
the trunk.
DID Type
DID means direct inward dialing (also called DDI in
Europe). Select a preferred type, None DID, Extension
DID, DID by Number DID by Privilege or Centrex DID
from the list and then enter configuration in DID Prefix
and DID Stripping to have the incoming calls directed
to the corresponding trunk.
None DID
When selected None DID, all incoming calls will enter
IVR system instead of directly dial to a specified
extension. Select a preferred IVR from IVR list for this
trunk.
Extension DID
When selected Extension DID, select an extension in
the list to be an unconditional destination for incoming
calls to this trunk. If prefix or stripping has been given,
the result of digit manipulation is dialed in a DTMF
string after the call has been answered by the DID
extension as an automatic 2
nd
dialing.
If you set a DID extension in a trunk, then only that
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