Tag: SDP offer/answer

Jan 21, 2026
SDP Offer/Answer in VoIP: How Media Capabilities Are Negotiated
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SDP Offer/Answer in VoIP: How Media Capabilities Are Negotiated

The SDP Offer/Answer model is the backbone of VoIP media negotiation, ensuring devices agree on codecs, ports, and bandwidth before a call starts. Learn how it works, why it's reliable, and what can go wrong.

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