WTN Holding AG (H.Q.) Switzerland
Founded in 1999, WTN is a global carrier
Founded in 1999, WTN is a global carrier
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- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Voip Termination ISP
- Call Routing VoIP Solutions
- H.323 VoIP Gateway
- H.323 Wireless/ GSM VoIP Solutions
- Outsourced Billing
- Partnering for Origination and Termination
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP VoIP Gateway
- Termination
- Billing system of own development