Nortel VoIP Gateway Configuration Manual page 37

Table 4 Protocol Definition parameters (Continued)
Parameter
Enable Transfer
Enable Forward
Misc parameters
IP Security
Description
Select No to disable Call Transfer service.
Select Yes to enable Call Transfer service (H.450.2).
If the Transfer service is enabled, the user can activate Transfer using HookFlash
signaling. If this service is enabled, the remote party will perform the call transfer.
The default is No.
Note: To use the H.450 Supplementary Services, the gateways at both ends must support
these services.
Recommendations:
The Business Communications Manager and Meridian 1 IPT gateways do not support
H.450 Supplementary Services. If there are any Business Communications Manager or
Meridian 1 IPT gateways on your VoIP network, set this parameter to No.
Select No to disable the Call Forward service.
Select Yes to enable Call Forward service (H.450.3).
A Call Forward table must be defined to use the Call Forward service.
The default is No.
Note: To use the H.450 Supplementary Services, the gateways at both ends must support
these services.
Recommendations:
The Business Communications Manager and Meridian 1 IPT gateways do not support
H.450 Supplementary Services. If there are any Business Communications Manager or
Meridian 1 IPT gateways on your VoIP network, set this parameter to No.
Select No if you want the VoIP Gateway to accept all H.323 calls that are sent to the VoIP
Gateway.(default)
Select Yes if you want the VoIP Gateway to accept H.323 calls only from IP addresses
defined in Prefix routing table. The VoIP Gateway rejects all calls from unknown IP
addresses.
When you are using a Gatekeeper, Nortel Networks recommends you set this option to
Yes. This allows the Gatekeeper to decide if H.323 calls are accepted or rejected.
The default value is No.
Configuring the Protocol Definition parameters
Norstar VoIP Gateway Configuration Guide
37