Category: Telecom & VoIP - Page 4
DTLS-SRTP is the modern, secure standard for VoIP media encryption, while SDES-SRTP is outdated and risky.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.
Compare G.711 and G.729 codecs for VoIP bandwidth usage. Learn which one saves bandwidth, which one sounds better, and how to choose based on your network, call volume, and budget.
SRTP adds less than 3% CPU overhead to VoIP calls and doesn't affect voice quality. Learn how encryption impacts codec performance, real-world numbers, and what systems still struggle with it.
Learn how dynamic and fixed jitter buffers affect VoIP call quality. Discover which one works best for remote teams, home offices, and enterprise networks based on real-world performance data and expert insights.
IPv6 eliminates NAT-related call drops and jitter in VoIP networks, offering direct end-to-end connections, better QoS, and faster call setup. While it uses slightly more bandwidth, the gains in reliability and quality make it essential for modern voice systems.
Transcoding enables VoIP calls between devices using different audio codecs like G.711, G.729, and OPUS. It's essential for compatibility but adds latency and quality loss. Learn how it works, where it's used, and how to manage its trade-offs.
Learn how SIP trunk architecture works in VoIP with a clear breakdown of registration vs static IP peering - including real-world use cases, security risks, and which one to choose for your business in 2025.
Learn how 8kHz, 16kHz, and 48kHz sampling rates affect VoIP call quality, bandwidth, and latency. Discover which rate is right for your business in 2025.