TRENDnet VoIP Gateway Network Hardware User Manual


 
TVP-221H User’s Guide
7. NAT Call Mode: Enables calls from remote sites which use NAT routers
with private IP networks behind, default is on
8. Default DTMF Mode: H323 V2 Signal or IMTC. The default is H323 V2
Signal
9. DNS IP Address
10. Alternate DTMF IP Address
11. DTMF Duration: default is 300
Gatekeeper
This page is home to many specific H.323 Gateway / Gatekeeper functions /
features. For the most part end users will not be using these functions /
features and / or should use the default settings. For more information please
see the Advanced User Manuals or consult with your Systems Integrator
The primary function of the gatekeeper component is to provide address
translation services. This function converts external (telephone number)
addresses and alias (name) addresses to network addresses, allowing users to
maintain the same telephone numbers or alias addresses regardless of changes
to their network addresses.
1. Gate Keeper Mode: The default setting is off. This field is to select the
co-operation mode with some other gatekeeper(s). Three options are
available:
i. Off: Disables gatekeeper co-operation,
ii. Auto: Enables auto-discovery of the gatekeeper
29