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SIP Phone Service Providers in Spain
- GlobalTelecom - Free P2P phone, Internet phone service. Worldwide VoIP provider for business and residential customers. Free accounts and in-network calling. Per seconds and unlimited rate plans.
- iPonline Phones telefonia IP Proveedor SIP. Planes prepagos de llamadas por minutos y tarifa plana, numeracion entrante, servicios especiales para empresa y bajo demanda.
- Net2Phone Net2Phone offers high quality, low cost SIP Trunking and Business VoIP Solutions - no charge per channel, no contracts, pay only for the minutes you use.
- Switch2Voip is a low cost wholesale VoIP leading provider for call centers. While Switch2Voip offers VoIP calling plans to home, residential and business customers it focuses their marketing efforts servicing companies using predictive dialers to make calls. Residential users can also benefit of their wholesale rates. This company offers Free USA DID's.
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