0% packet loss is the industry standard for business-grade VoIP.
The 8x8 Network Utility Tool is engineered to simulate UDP traffic behavior. By testing how the network handles constant streams of small packets—mimicking the behavior of Real-time Transport Protocol (RTP)—the tool provides a far more accurate prediction of call quality than a standard TCP-based speed test. 8x8 network utility tool
| Test Failure | Likely Cause | Suggested Action | |--------------|--------------|------------------| | UDP port 5060 blocked | Firewall / ISP | Whitelist 8x8 IP ranges & ports | | High jitter | Bufferbloat / Wi-Fi | Enable QoS, switch to wired | | Packet loss at hop 2 | Local switch or router | Check cabling, reboot network gear | | DNS failure | Internal DNS | Use 8.8.8.8 or 1.1.1.1 as secondary DNS | 0% packet loss is the industry standard for
Older consumer-grade routers and unmanaged switches often struggle with the sustained packet processing required for real-time communication. Replacing them with enterprise-grade, managed hardware prevents packet queuing and hardware-induced latency. | Test Failure | Likely Cause | Suggested