• Free calls between organizations and save 20% to 80% on phone bills by calling PSTN phones and call phones via IP phone.
• The usage is the same as traditional PSTN phones and No PC is required.
• Can be used anywhere as long as there is network connection. Compatible with cable modem, ADSL and leased line.
• Provide Internet instant search for various communication details. Easy volume control. Can be connected to PC. No hub is needed.
• Protocol: MGCP, H.323, SIP

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