PVQA Server Sevana

How to setup real-time RTP monitoring?

One can easily setup real-time RTP monitoring using Sevana PVQA Server to receive information on calls with QoS (packet loss, jitter etc) and QoE (noise, dead air, echo etc) issues.

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QualTest Sevana

Mobile-to-mobile test and monitoring

Would you like to setup mobile-to-mobile test call or monitor end-to-end call quality on a set of mobile phones?
Sevana QualTest is the solution that lets you establish this within one business day and receive full details on the quality score (MOS) and audio issues that have potentially degraded the call quality.
Analysis is performed directly on the phone, or one can have multiple phones connected to an USB port to make simultaneous tests.
All test results are aggregated directly at the backend of your choice.This can be Sevana QualTest backend or your existing monitoring solution.
Another option is to use one of easy integrations of QualTest, which our clients prefer most.

Contact us for more details.

QualTest Sevana

QualTest – Mobile Test Probe

Sevana QualTest mobile test probe is an application that checks current network conditions and estimates voice quality in mobile and VoIP networks. If your goal is to set up end-to-end or single-ended automated tests, receive test results at any backend of your choice, manage tests and watch test results and reporting at a friendly GUI, then QualTest is a good fit.

Keep an eye on call quality with sevana.biz

Sevana Software

Sevana Digital Signal Processing for Telecommunications

What is Sevana offering?

We offer knowledge and experience of our scientists and developers to solve complex software tasks in telecom, digital signal processing and other areas that require the unique skills we have.⠀

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Sevana Software

sevana-is-sharing-source-code
C++ wrapper for libevent library

Sevana is sharing with open source community its tiny C++ wrapper for libevent library under MIT license. This helps us  to quickly build HTTP clients and servers reducing development costs due to API simplicity and integration. We actively use it in our products to provide high performance HTTP processing.

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PVQA Sevana Test and Measurement

Call quality issues maintenance prior your cusotmers complain

Do you want to know about call quality issues prior your customers start complaining?

Sevana libraries collect all the QoS and QoE data of the calls in real-time, providing immediate alerting on changes that affect callers’ perception, and discover and store reasons for call audio degradation. Map audio impairments on network metrics and discover QoE and QoS patterns, specific to certain routes, destinations, originations, or parts of the traffic.

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PVQA Sevana

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).

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