User manual

Http://www.hybertone.com HT-822P VoIP FXS+PSTN Gateway
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4.4.1.4 Advance Settings
Click on “Advance Settings” in the H.323 menu, the configuration screen of advance
settings will be displayed as follows. In this part, you will have more advance control over
the H.323 signaling.
A） RAS Port
RAS Port is connected to an unreliable channel, which is used to convey the registration,
admissions, bandwidth change, and status messages between two H.323 entities.
B） Q.931 Port （ Call Signaling Port ）