【實用工具app】AT4-App|最夯免費app

This is an engineering/profesional tool addressed to carriers, phone vendors and others which want to evaluate the quality of its wireless network and its device.

The following measurements are available:

- Data throughput (TCP or UDP), one way delay, jitter and packet loss

- File transfer download/upload (FTP): Session time, mean data rate, failed and cut-off transfer attempts

- Web browsing (HTTP): Time to download web page, mean data rate, failed and cut-off transfer attempts

- Ping: RTT, Average Non-reachability

- Short Message: Access Delay, End-to-End Delivery Time, Receive Confirmation Time

- VoIP calls: Estimated MOS

- Telephony: Actual time in off-hook state, and success call ratio.

- YouTube: initial buffering, number and frequency of rebufferings, and MOS

- Mobile originated call and data: Throughput before, during and after the voice call, and ratio of successful data and voice calls

- Mobile terminated call and data: Throughput, and ratio of successful data and voice calls

- Send short message and data: Throughput, and ratio of successful data and voice calls

- Receive short message and data: Throughput, and ratio of successful data calls and short messages

- WLAN time to connect: Time to connect to a WLAN network and ratio of successful connections

http://www.at4wireless.com

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