E1/T1
A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
VoIP PBX systems are useful solutions for establishing telephone communication in companies where offices are located in several places. This system allows connecting all the offices via one telephone network as it supports both local and remote extensions. Its developed features and opportunities make business communications more qualitative and reliable.
Sinos Technology (HK) Co.,
Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.
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