IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Billing
Software was created in order to handle billing and time tracking as well as
invoicing the customer for products and services. This software can also track
worked hours by employees, as well as the expenses related to projects or
clients.
Yeastar Technology CO., Ltd.
Yeastar specializes in the developing and manufacturing IP-PBX products and is committed to the distribution of new generation technology products in the field of enterprises'' communications.
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