Customers everywhere can now make unlimited free outbound calls anywhere within the continental US using Whistle Phone, a new VoIP application for iPods, iPhones, and iPads. The app also supports international calls at a price even lower than Skype's rates, and offers users a free DID number, which can be used to receive calls free of charge. The DID number is tied into multiple other phone numbers through a system called “follow me.”
With follow-me, calls made to any of up to five phones will be automatically and simultaneously routed to Whistle Phone, allowing users to keep track of calls from business and home phones simultaneously or to manage calls made to different departments within a single business. One writer on TMC.net describes the voice quality on the application as “excellent...all my outbound calls went through flawlessly.” Whistle Phone can be run through either an existing SIP-based IP-PBX or an online account.
Whistle Phone also includes features like 3-way calling capabilities and built-in support systems. It supports bluetooth headsets and is available as a desktop app for both Windows and Mac. Unlike iCall, an Apple app which also offers free unlimited calling, calls made using Whistle Phone are unlimited in length. And although all calls made using Whistle Phone require the caller to sit through a 15 second audio commercial, this is actually shorter than the 30 second ads provided by iCall. Whistle Phone represents a very convenient VoIP-based calling application at a very, very low cost.
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