Grandstream GXW 4004 offers small organizations, home users, remote offices and companies with a territorial work system a high-performance solution with excellent price/quality ratio to more effectively manage the cost of communication, while expanding the functionality of existing telephone systems in organization. Grandstream GXW 4004 is a solution, which easily integrates into existing VoIP FXS phone systems and FXO gateways.
Iristel Inc.
Iristel is a leading carrier of international long distance telephone calls and provider of retail prepaid calling cards sold online. We provide high quality service for billions of minutes of international calls through our global VoIP network.
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