REDtone SIPhony, an enterprise-grade, IP-based and cost-effective phone system that enables small and medium-sized businesses to obtain business landline numbers without a physical desk phone. Provides full suite of features in app form, including direct line, SIP, e-Fax, virtual receptionist, extensions and call recording. Enhances business credibility while providing up to 50% cost-savings. Offered via a prepaid model. No heavy hardware investment or contract tied to subscription.