VoIP Service
The common name shared by communication protocols, technologies and methods ensuring the transfer of the voice signal via the Internet network or by any other IP-networks. The signal is transferred by the communication channel in the digital form and, as a rule, before transferring compresses in order to remove abundance.
Let’s look at Grandstream ATA HandyTone-502 Analog Telephone Adapter the latest product in the HandyTone ATA series and Grandstream VoIP product line.
Houyuan Technology (HK) Limited
Houyuan Technology (HK) Limited ( http://www.houyuanhk.com ) is a professional voip manufacturer in China.
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