Orb Caster
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  • 3.06.0059
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Knowledgebase / Orb Remote Access / What ports need to be open on my PC for Orb streaming?
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What ports need to be open on my PC for Orb streaming?

It is the media player on your client device that determines to which format will Orb Caster transcode the file you want to stream before sending it to your device (another PC, PDA, or phone) player. So, if you want to stream to a:

Windows media player, Orb Caster will transcode your file to a Windows media format and send an .ASX stream to your device via the default Windows media port TCP 80 (1080 for Mac). If port 80 on your Orb Caster PC is used by another application (like Skype, for example), Orb Caster will automatically try to use the next port available, i.e., port 81.

3GP player (Quicktime, 3GP mobile players), Orb Caster will transcode your file to a 3GP media format and send a .SDP stream to your device via TCP 554 (1554 for Mac). If your device is a mobile phone, it will also use the following 4 additional ports: UDP 13398, 13399, 13400 and 13401.

These are the ports Orb Caster uses by default to stream from your PC to your device.

You should not need to open them on your router as these are either the default media ports or they are ports your router should open when requested by your Orb Caster PC .

Server time out, Cannot connect, Network error messages

If the needed communication port is blocked, the media player on your client device will never indicate "buffering"... (as it does when it starts receiving the firsts stream packets) but instead may display a "server time out", "cannot connect to server" or "network error" message within 30 seconds after it is launched.

If your Orb client device is a PC or laptop which has WMP and Quicktime, a good test to do is to change the streaming format to cause Orb Caster use another communication port. You can do this as follows:

a)   Log on to your Orb Caster account with that client
b)   Navigate to Open Application > Control Panel > General (pulldown menu) > Streaming Formats and select another streaming format
c)   Verify on your client PC that the streaming format you select is associated with the correct player. Note however that Windows format, Winamp format and Flash format, all use TCP port 80, so changing from one to the other will have no impact when testing for ports.

When all the above fails

If your Orb client media player still does not receive the stream packets (i.e., does not buffer at all) then try the following:
  • Quit Orb Caster
  • Click Start > Run > then type: regedit
  • Navigate to :
32bit PC: Navigate to HKEY_LOCAL_MACHINE | Software | OrbNetworks | Orb | CabClient
64bit PC: Navigate to HKEY_LOCAL_MACHINE | Software | Wow6432Node | OrbNetworks | Orb | CabClient
  • Then create a DWORD "mmsport" (default 80) with decimal value to TCP port 82
  • Start Orb Caster and then try again.
If you have installed Orb Caster in Mac:
  • Quit Orb Caster
  • Navigate to /Library/Preferences
  • Open com.networks.orb.cabclient.plist in Property list editor
  • Now select Root and click New Child
  • Enter the name as mmsport and change the class value to Number
  • Now change the value of mmsport to 82
  • Click close and select Save when prompted.
If this works, it must be because the other ports are blocked by your firewall. Check both your PC’s / Mac software firewall and your router’s hardware firewall.
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