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.
Vvtel is a world leader in Internet Telephony services, registered in the UK. We offer the most powerful solutions including inexpensive alternatives to traditional telephone service around the world. Our clients range from