Category: Telecom & VoIP - Page 2
Learn how to calculate exact VoIP bandwidth per call based on codec type, packet size, and network overhead. Avoid call quality issues with accurate G.711, G.729, and Opus estimates.
TLS 1.3 is now the only secure choice for VoIP. Learn why older versions like TLS 1.2 are dangerous, how DTLS protects voice streams, and the exact steps to harden your system against eavesdropping and hijacking.
Learn how to effectively get technical support for your VoIP system. Discover what to do before calling, how to escalate issues, what good support looks like, and when to switch providers for reliable communication.
Learn how to use Wireshark to analyze SIP and RTP traffic for VoIP troubleshooting. Discover essential filters, common issues, and how to decode call quality problems like jitter, packet loss, and one-way audio.
Packet Loss Concealment (PLC) keeps VoIP calls clear despite network issues by intelligently filling in missing audio. Learn how G.711, Opus, and AI-based methods like WaveNetEQ hide packet loss-and which one works best for your needs.
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.
Fix your handset audio issues fast with this step-by-step guide for VoIP users. Learn how to troubleshoot silent speakers, dead microphones, and Bluetooth conflicts without replacing your device.
VoIP and landline systems handle Caller ID privacy very differently. VoIP offers advanced tools like encryption and AI screening, but requires setup. Landlines are simple but offer little control. Here’s how to choose what’s right for you.
Fix unreliable VoIP calls with this step-by-step port forwarding guide. Learn which ports to open, how to set up static IPs, and how to troubleshoot one-way audio and registration failures.
DTLS-SRTP is the modern, secure standard for VoIP media encryption, while SDES-SRTP is outdated and risky. Learn why DTLS-SRTP is mandatory in WebRTC and how to choose the right key exchange method in 2025.
Learn which codecs your IP phone supports in 2025 - from G.711 and G.729 to Opus and G.722. Get vendor-specific compatibility lists and real-world advice for optimizing call quality and bandwidth.
FXS and FXO ports let you connect analog phones and landlines to modern VoIP systems. Learn how they work, when to use each, and how to avoid common setup mistakes in 2025.
