Help - H323 Parameters



H.323 General Parameter Settings

Display Name: Default string is “Customer”.
This field is to set the display name information that is carried in the H.323 setup messages. Up to 48 characters can be entered.

Terminal Type: Default value is 60.
This field is to set the H.245 terminal type, which is used as part of the master/slave determination process of H.245. Typically, setting a value of less than 50 will force slave operation, and a value of greater than 200 will force the master operation.

RTP Port Base: Default value is 30000.
This field is to select the starting port number for assignment of RTP and RTCP ports. According to the H.323 specification, RTP port number should be even in value, and the RTCP port number should be one greater than the RTP port. Typically, numbers from 0 to 1023 are reserved on most systems.

Outgoing Fast Start: Default setting is off.
This field is to enable or disable the Faststart mode on the outgoing side of the link.

Incoming Fast Start: Default setting is off.
This field is to enable or disable the Faststart mode on the incoming side of the link.

Default DTMF Mode:Default is H323 V2 Signal
Choices are H323 V2 Signal or IMTC.

Call Signal Port:
Allows users to select TCP port which H.225 listens for incoming call setup request. (CLI only)

Local Alert: TVP-221H will generate ring back tone before receiving Alerting message from remote gateway. (CLI only)

Cisco T.38:
This option is used for FAX transmitting when TVP-221H is interoperating with Cisco 5300. (CLI only)

 

H.323 Gatekeeper Settings

Gate Keeper Mode: Default setting is off.
This field is to select the co-operation mode with some gatekeeper(s). Three options available:

  1. Off: disables gatekeeper co-operation
  2. Manual: enables gatekeeper co-operation in manual operation (the gatekeeper address must be properly assigned).
  3. Auto
The following fields must be filled up when the Gate Keeper Mode is set to either auto or manual.

Gate Keeper Address: Specify the gatekeeper address when configured to manual mode.

Allow Calls Without Gate Keeper: This field is to inform the H.323 stack to allow calls when the endpoint is not registered with a gatekeeper.

Registration Type: This field is to set the endpoint registration type. This specifies how the endpoint will register itself with the gatekeeper.

Max Registration Retries: This field is to control how many registration attempts will be made before the endpoint considers itself to have failed registration.

Note: Machine should be rebooted to make the modifications effective!