SIP port(trail)

Hello!

I explore this table http://www.adobe.com/ru/products/adobe-media-server-family/buying-guide-comparison.html for understand differece version. Please, explain me that mean SIP ports 5(trial) in version Adobe Media Server 5 Starter, Adobe Media Server 5 Standard, Adobe Media Server 5 Professional, and unlike what SIP ports 25 on Adobe Media Server 5 Extended.

Sorry, for my bad english. I from Russia.

Thank you, for you time.

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