however, may be not required in case of a SIP gateway.
SIP Registrar IP
SIP Registrar Port
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).
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
extension can use this trunk to call out, and all incoming
calls to this trunk will connect to that extension directly.
DID By Number
When selected
DID By
number,
enter configurations in
DID
Prefix
and
DID Stripping
to have the incoming calls
directed to the corresponding extension derived by number
manipulation. The SIP trunk numbers is therefore regarded
as the direct line of the extension.
DID By Privilege
When selected
DID By Privilege
, select a usergroup in the
list as the privilege of inbound calls from this trunk. Enter
configuration in
DID Prefix
and
DID Stripping
to have the
incoming calls redirected to dial out.
DID Prefix
A digit string to be prefixed to the incoming called number
after stripping.
DID Stripping
A number of leading digits to be stripped from the original
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