IPsky United States
- International VoIP Wholesale Provider
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- Quintum
- Billing system of own development
The Blackwire C620-M by Plantronics is a USB binaural headset that was optimized to work in conjunction with Microsoft Lync. With its inline volume controls and support for wideband audio, the C620-m is designed for comfortable pleasantly fitting all day use.
ClearVoip
Our rates are low, but our rates to mobile phones around the world are extremely low compared with the rates from other companies.
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