Informal test finds Sprint's iPhone 5 to have best call quality

11 Scrum Metrics and Their Value to Scrum Teams

Why use scrum metrics, and which metrics should you use to meet your objectives and report to stakeholders? In this article you’ll learn:

  • How scrum framework events can be used to glean important information about team progress
  • 4 scrum metrics that can help measure delivery to customers
  • 4 scrum metrics that can help measure team effectiveness in meeting business goals
  • 3 scrum metrics that can be used to measure team and process health
  • Which metrics to use to report to stakeholders
  • The missing metric in scrum development projects: software quality

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Scrum Metrics—Monitoring the Scrum Team

These metrics can help a scrum team monitor its activity and identify problems early on, before they impact development:

1. Daily Scrum and Sprint Retrospective

These two scrum events, if carried out regularly with well-documented conclusions, can provide an important qualitative measurement of team progress and process health.

2. Team Satisfaction

Surveying the scrum team periodically to see how satisfied they are with their work can provide warning signals about culture issues, team conflicts or process issues.

3. Team Member Turnover

Low turnover (replacement of team members) in a scrum team indicates a healthy environment, while high turnover could indicate the opposite. Also contrast this metric with overall company turnover, which can impact the scrum team.

Wi-Fi Calling

At their best, phone calls made over Wi-Fi sound just like calls made over the cellular network. The Wi-Fi calling technology that all the US carriers use essentially encapsulates a voice-over-LTE call, and sends it over Wi-Fi.

That’s a best case scenario, though. Unlike LTE networks, Wi-Fi has no way to prioritize voice calls over other traffic. So while your voice call will get bumped ahead of any other business with an LTE signal, on a crowded Wi-Fi network, it just has to wait its turn.

“Depending on the Wi-Fi at your house, you’re at the mercy of it. If somebody’s playing a game, or what have you [on the Wi-Fi], that will have an impact,” Haberman said.

That results in more dropouts, more bit errors, and more dropped calls than you get on cellular, simply because Wi-Fi network quality can vary so much moment to moment. Video streaming apps deal with that inconsistency by buffering content well in advance, but of course, you can’t do that with live calls.

The only carrier to face this problem head-on, so far, has been Republic Wireless. Its “bonded calling” technology simultaneously sends call data packets over LTE and Wi-Fi networks, patching them together in places where Wi-Fi starts to fail.

  Not many flip phones support VoLTE and HD Voice. Not many flip phones support VoLTE and HD Voice. The Kyocera Cadence LTE for Verizon does.

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