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Voice over IP (VoIP) technology has revolutionized communications, and understanding its protocols is vital for both support and troubleshooting. This episode explains how SIP (Session Initiation Protocol) is used to establish, modify, and terminate VoIP calls. You’ll learn how SIP works alongside protocols like RTP and SDP, and how signaling and media are handled separately in VoIP environments. We also cover key ports and common firewall issues that interfere with call setup or audio delivery.
In addition to SIP, we explore other VoIP-related protocols, such as H.323 and MGCP, and how they compare in terms of architecture and deployment. Whether you're working with on-prem PBXs or cloud-based VoIP platforms, you’ll leave this episode with a clear understanding of how voice traffic flows across an IP network—and how to troubleshoot it when users can’t hear each other or calls don’t connect at all.
Voice over IP (VoIP) technology has revolutionized communications, and understanding its protocols is vital for both support and troubleshooting. This episode explains how SIP (Session Initiation Protocol) is used to establish, modify, and terminate VoIP calls. You’ll learn how SIP works alongside protocols like RTP and SDP, and how signaling and media are handled separately in VoIP environments. We also cover key ports and common firewall issues that interfere with call setup or audio delivery.
In addition to SIP, we explore other VoIP-related protocols, such as H.323 and MGCP, and how they compare in terms of architecture and deployment. Whether you're working with on-prem PBXs or cloud-based VoIP platforms, you’ll leave this episode with a clear understanding of how voice traffic flows across an IP network—and how to troubleshoot it when users can’t hear each other or calls don’t connect at all.