SIP Softswitch
It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Dinstar DWG2000C-4/8G is a multifunctional VoIP / GSM gateway that operates on IP and GSM networks, which provides flexible network configurations, extensive features and good sound quality.
Global Voice Networking
Global Voice Networking provides a corporate Voice VPN and SIP Trunk service for multi-site and global customers
Get Your Network Talking with Global Voice Networking
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