WhatsApp calling feature in Android Smartphones
WhatsApp is an instant messaging app for smartphones that operates under a subscription business model. The proprietary, cross-platform app uses the Internet to send text messages, images, video, user location and audio media messages.WhatsApp is the most popular messenger for messaging and for sharing audios, videos and pictures in android as well as in ios smartphones.
It uses a customized version of the open standard Extensible Messaging and Presence Protocol (XMPP). Upon installation, it creates a user account using one’s phone number as the username. WhatsApp software automatically compares all the phone numbers from the device’s address book with its central database of WhatsApp users to automatically add contacts to the user’s WhatsApp contact list. It is supported on most Android, BlackBerry, iPhone, and Nokia smartphones. All Android phones running the Android 2.1 and above, all BlackBerry devices running OS 4.7 and later, including BlackBerry 10, and all iPhones running iOS 4.3 and later.
After having a huge success in messaging and growing day by day, the whatsapp has added a new feature i.e. calling feature. Now we can call each other by it .To reach persons everywhere, the new calling feature has given a great boom to the application as many other applications were giving a tough fight to whatsapp. But after upgrading the application and making it more user-friendly and introducing new calling features has risen the state of the application. To get this feature on your Android smart phone, all you need to do is download the latest version of WhatsApp from its website. The feature has appeared on its version 2.12.5 in some smartphones, but most people will need the latest 2.12.19 version to get WhatsApp calling. When the feature is activated on your smart phone, you will notice a new three-tab layout featuring Calls, Chats and Contacts. You can head to the Calls tab, tap the phone icon, and pick a contact to make your first WhatsApp call.
WhatsApp calling allow users to call other users for free. However, a minute of WhatsApp call costs around 0.15 MB to 0.20 MB of 3G data This means a 5-minute call costs around 1MB of 3G data. The call quality on 3G networks is decent but on 2G, there is a considerable amount of lag. Also, on 2G, a minute of WhatsApp call costs around 0.35MB which is surprisingly higher than 3G.
Without mobile internet plans, the standard data rates for most operators are 4p /10 KB (3G) and 10p / 10 KB (2G). This roughly translates to Re 1 per minute of WhatsApp call on 3G and Rs 2.50 per minute on 2G network. For Local and STD calls in India, it calls make little sense, even on 3Gdata, when the experience is compared to regular voice calls with per second pulse in cents. For international calls, WhatsApp calling is a great feature only if you are on WiFi. With the present state of 3G and 2G mobile Internet in the country, you simply cannot make an international call while on-the-go. The new WhatsApp calling interface is similar to the regular call UI in Android smartphones. Call records are automatically saved. During a WhatsApp call, if the user gets a regular call on his smart phone, then the WhatsApp call runs in background for a few seconds and gets disconnected on its own.
While you can expect the call to get connected on 3G, WhatsApp call simply gets paralysed on 2G networks. When connected to WiFi, there are no issues with thecall as such apart from the echo problem. Overall, while using WhatsApp calls on mobile internet, it’s very difficult to have a conversation for more than two minutes.