CallExchange provides companies looking to enter the retail telecommunications business a turnkey solution to rapidly and cheaply deploy prepaid and postpaid calling cards and accounts, as well as VoIP softphones and customer premise equipment.
CallExchange provides companies looking to enter the retail telecommunications business a turnkey solution to rapidly and cheaply deploy prepaid and postpaid calling cards and accounts, as well as VoIP softphones and customer premise equipment.
We focus on the Greater China Area, ACME is a dynamic firm with a complete package of skilled engineers and consultants from with speciality in the field of data centre, backbone / backhaul’s design, implementation, maintenance & operation and all aspec
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