How to find call issues that affect callers’ perception?
Sevana PVQA analysis detects and informs about such annoying problems inside the call audio as:
VAD clipping – this impairment detects incorrect work of Voice Activity Detector (VAD). Detector finds edges of active and inactive fragments of the signal considering VAD worked too late (in the beginning of the speech) or too early (in the end of the speech).
Caller quality of experience measurement. Do you know about issues bothering your callers that you might not know?
How to quickly setup SIP / VoIP call quality testing?
Using QualTest it’s easy:
🔘 Quick way to measure quality of SIP / VoIP call without installing complex software solutions
🔘 Runs on Linux (including ARM builds)/ macOS/ Windows operating systems:
🔘 Quality measurement is based on Sevana waveform analysis technology and network statistics such as packet loss, jitter etc (E-Model)
Keep an eye on call quality with sevana.biz
What are Sevana call quality testing offerings?
We are happy to offer all kinds of tools to test call quality in any network: VoIP, GSM, 5G, satellite
🔹 Vast call quality monitoring both on audio and protocol levels
🔹 Passive real-time and active scheduled call quality analysis
🔹 Call quality problem root cause analysis
🔹 Reliable network and payload MOS
🔹 Mobile-to-mobile call quality tests
Forecasting voice quality using network statistics was sufficient for the days when one could control the network.
Sevana AQuA is the most flexible too for end-to-end voice quality testing:
🖋 Testing across multiple devices and networks
Improve your system’s QoE and invest in the future – waveform analysis works seamlessly for VoLTE, VoWiFi, RCS or any other approach
🖋 Flexible integration considering every client’s requirement
Feel free to develop your own call quality monitoring solutions implemented by your own staff
🖋 Easy integration into any kind of hardware
Work on any hardware of your choice
🖋 Automated and fast testing cycle reducing operating costs
Save time and money using automated quality monitoring system
🖋 Streamline root cause analysis
Automate call quality assessment and ease problem root cause identification
🖋 Customer-oriented support
We are always happy to help save our customer’s time
Keep an eye on call quality with sevana.biz
Sevana PVQA – Passive Voice Quality Analyzer is the tool that will help you with this task.
It is a unique powerful tool to non-intrusively (without comparing with reference audio file) evaluate voice quality by waveform analysis. PVQA MOS is perhaps the most accurate compared to other tools that predict MOS score by single file waveform analysis. Tool performance and ability to work in real-time give companies an opportunity to develop their own voice quality testing solutions not being dependent on particular hardware and software. PVQA is available as a cross platform application or library for all main desktop and mobile operating systems. Keep an eye on call quality with sevana.biz
How well do you know your network?
Do you know that in a packet switched network you may not only rely on ITU-T G.107 E-Model MOS and R-Factor? There are lots of other issues that affect QoE of your subscribers besides typical metrics such as jitter, latency, packet loss, or RTT delay.
Learning about issues “inside” the call gives you a unique chance to detect the issues not necessarily connected with network KPIs.
Ask us how knowing about Silence, Audio gaps, Clipping, Echo and Noise will help you to increase callers satisfaction and prevent their complains.
