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VIP-2100 User’s manual - 61 -
o Disable: Don’t use Fast Start.
o Enable Fast Start Both Site: Use Fast Start for incoming call and
outgoing H.323 calls
o Fast Start-H.323 incoming only: Enable Fast Start for H.323
incoming calls only
o Fast Start-H.323 outgoing only: Enable Fast Start for H.323
outgoing calls only.
o Early H.245: Use Early H.245
• H.245 Tunneling: Transfer the H.245 message over the Q.931 channel
• H.450 Service: Enable the H.450 calls transfer service
• FS Enable 1-6 (Codec Priority 1-6): Enable Fast Start codec selection
for each codec
• Inbound DM Group: Digit Manipulation Group for H.323 incoming calls
• Outbound DM Group: Digit Manipulation Group for H.323 outgoing
calls
Advance H.323 Configuration:
Start Path: Configuration→H.323 →Advance
Figure 7.5-2
Advance Parameter Description:
• RAS Multicast IP: RAS multicast IP for Gatekeeper searching
• RAS Multicast Port: RAS multicast Port for Gatekeeper searching
• Max Call: The maximum H.323 calls
• Max Channel: The maximum channel of each H.323 call
• RAS Port: Local RAS port (default: 1719)
• Q.931 Port: Local TCP port number of Q.931
• T.38 ECM Mode: T.38 Error Correction Mode
o T.38 ECM Interoperable mode
o T.38 ECM Backward Compatible Mode
• FAX Rdepth: T.38 relay redundancy packet depth for high-speed mode.
• H.245 Option: Separate the H.245 channel in the call of the Fast Start
mode or not.
• G.723 Psize: G.723 transmission packet size in ms (default: 30ms)
• G.729 Psize: G.729 transmission packet size in ms (default: 20ms)