IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Siemens Enterprise OpenStage 40 SIP IP-phone is a great solution for people working in the permanent place. This model features a large display and easy setup of various protocols such as TDM, HFA and SIP.
Zen Telecom
Zen Telecom is an emerging telecommunications provider of choice for many businesses and resellers worldwide. We own and operate next generation network infrastructure with multiple redundant connections to worldwide Tier1 carriers from datacentres in Eur
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