User manual

VOPTech Document Four Channel’s GSM VoIP Gateway

GoIP4 has three types configure modes in Gatekeeper Mode;

Configure By Single: All four channels use same one H.323 account connect to

gatekeeper;

Configure By Line: Each channel will use a single account connect to H.323

gatekeeper;

Configure By Group: Each VoIP channel will register to Gatekeeper base differ

Group;

3.4.1.3 Advance Settings

Click “Advance Settings” to access additional H.323 parameters as shown below.

A） RAS Port

RAS Port is 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 ）

Call Signaling Port is a reliable channel which is used to convey the call setup and

release messages between two H.323 endpoints.

C） H.245 Port （ Media Control Ports ）

Media control port is the port or port range used by the H.245 media control

protocol

D） Fast Start

Enable or disable the Fast Start in H.225.0. Most H.323 terminals or Gateways

support the Fast Start feature.

E） Register Mode