Setting Description
Enable Lost Packet Recovery If you enable this setting, the system uses the Lost Packet 
Recovery (LPR) protocol to help compensate for packet loss if it 
occurs.
Enable RSVP If you enable this setting, the system can use the Resource 
Reservation Setup Protocol (RSVP) to request that routers 
reserve bandwidth along an IP connection path. (To use this 
feature, the near and far site must support RSVP.)
Dynamic Bandwidth Enable this setting if you want the system to automatically 
determine the optimal call rate.
Maximum Transmit Bandwidth Specifies the maximum transmit call rate between 64 kbps and 
the system’s maximum line rate.
Use this setting when the system connects to the network using 
an access method with different transmit and receive 
bandwidths.
Maximum Receive Bandwidth Specifies the maximum receive call rate between 64 kbps and 
the system’s maximum line rate.
Use this setting when the system connects to the network using 
an access method with different transmit and receive 
bandwidths.
3 Select Save.
Configure H.323 Settings
If your network uses an H.323 gatekeeper, the system can automatically register its H.323 name and extension. Others 
can then call the system using its H.323 name or extension instead of its IP address.
Task
1 In the system web interface, go to Call Configuration > H.323.
2 Configure the following settings:
Setting
Description
Enable IP H.323 Enables the system to display H.323 settings and configuration 
options.
Registration Status Read-only setting shows if your system is registered with an 
H.323 gatekeeper.
H.323 Name How gatekeepers and gateways identify your system. You can 
make point-to-point calls using H.323 names if both systems are 
registered to a gatekeeper.
The H.323 Name is the same as the device name unless you 
change it.
Your organization’s dial plan might define the name you can use.
H.323 Extension (E.164) You can place point-to-point calls using this extension if both 
systems are registered with a gatekeeper. Gatekeepers and 
gateways also use the extension to identify your system.
Your organization’s dial plan might define the extensions you 
can use.
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