SMS startup Nexmo is finally launching its voice service at Mobile World Congress. The new set of application programming interfaces basically allows any app developer to embed calling features into his apps and set up voice services in the cloud.
While Nexmo had offered text-to-speech APIs before, today’s launch gives it a full suite of telephony services. For instance, a developer could embed a “call representative” button on its web page or let sellers contact buyers within a collaborative consumption app. All it takes, said CEO Tony Jamous, is a few lines of code and a credit card.
Rates will vary depending on the country, but calls received in the U.S. will cost half a cent per session, while calls made through the cloud service will cost 1.3 cents. Twilio will also provision phone numbers to developers that want to connect to the traditional phone network…
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