• Releases

    3CX Product Releases

  • VoIP How To

    Technical tips to run your VoIP PBX more efficiently

  • Events

    3CX Trainings and Webinars around the world

  • Docs & FAQs

    3CX Documentation how to and FAQ

  • Phone configuration

    3CX, Aastra, Cisco, Yealink, Grandstream, Polycom configs

VIDEO: SIP call setup overview & ports used

By November 14, 2008 | 1 Comments

3CX is starting to publish a series of short technical VoIP videos which we have called VoIP Nuggets. These are bite size 3 to 10 minute snippets or ‘nuggets’ with technical information about 3CX Phone System for Windows which we trust that you will find interesting and useful.

The first one is a high level overview of SIP Call setup and the ports involved.

Let us know what you think!

Comment 1

  • VoIPBlogging
    November 14th, 2008

    3CX VOIP, SIP & Phone System blog » 3CX launches VoIP Nuggets…

    [Source: 3CX VOIP, SIP & Phone System blog] quoted: These are bite size 3 to 10 minute snippets or ‘nuggets’ with technical information about 3CX Phone System for Windows which we trust that you will find interesting and useful….

Switch to our mobile site