Tag: SIP signaling
SIP proxies and B2BUAs handle VoIP calls differently-one relays signals, the other controls them. Learn how each works, when to use them, and why most businesses choose B2BUAs despite the added complexity.
The SDP Offer/Answer model is the backbone of VoIP call setup, letting devices agree on codecs, ports, and media settings. Learn how it works, why it's reliable, and what breaks it.
Post-dial delay in VoIP can cause callers to hang up before a ring even starts. Learn how to tell if it's caused by signaling problems or media delays-and how to fix each one for better call success rates.
