Viber 2 Devices

[Egisto Chancellor]

Ihave been using Viber for almost ten years on many devices (including Blackberries, Android phones and tablets, Windows and Linux PCs). Lately, my old Samsung tablet started to fail, so I bought a new tablet (Lenovo TB-8505F 8" Wifi only). I tried to activate Viber on this tablet as a secondary device which is the way I had used Viber for years: mobile phone is always my primary device; tablet and PCs are my secondary devices.

On the old Samsung tablet, the "activation screen" which is displayed just after I enter my mobile phone number, shows the relevant QR code to be scanned by my primary device (phone). [This is the correct behavior].

On the new Lenovo tablet, the "activation screen" which is displayed just after I enter my mobile phone number, shows that an SMS or phone call activation will be attempted [wrong behavior] just like the tablet were a primary device only (which it should not). In case I continue with the SMS/phone activation, my primary device (phone) gets disconnected [as expected].

Having the same issue with Samsung Galaxy TAB A 2019 and witnessing the crap support from Viber, I would like to point that the issue is indeed caused by the Viber device identification from screen resolution as Robert suggested. What is important is to differentiate screen resolution to one that can be identified as "tablet". In an Android developers site I found the following dp info:

For some reason my tablet had as factory default setting minimum width 533 dp!On Android 10 you have to dig deep to find this by activating Developer Options menu (Settings/About tablet/Software Information/7 taps on Build Label) and under Drawing label find the Minimum width setting. For a 10.1'' you can set it to 800 dp.After restart the installation as secondary device proceeds as normal.

I have to point that Viber support after passing them a slum dunk with the post from this forum and my minimum width setting did not even bother to look for an answer!! They sent me as a reply the summary of this post with the "recommendation" to find View and Small Screen setting on Android !! I hope that my recommendation to include a warning to their knowledge base (which kept sending me as a fix to this problem !!) would resolve future issues. Especially since it is so easy for a developer/ technical person from a multi million dollar company to spot and solve.

XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.

There is a new issue reported on Viber 4.1.1 version app that it is being identified as unknown-udp. Palo alto team is working on it. Packet captures of application traffic can be taken and shared to palo alto team through a case to better identify the app traffic as it was earlier before. There may be some changes on the way the viber traffic or ports usage and so on. Hence there may be a need to enhance the signature.

Instant messaging (IM) technology is a type of online chat allowing immediate transmission of messages over the Internet or another computer network. Messages are typically transmitted between two or more parties, when each user inputs text and triggers a transmission to the recipient(s), who are all connected on a common network.[1] It differs from email in that conversations over instant messaging happen in real-time (hence "instant"). Most modern IM applications (sometimes called "social messengers", "messaging apps", "chat apps" or "chat clients") use push technology and also add other features such as emojis (or graphical smileys), file transfer, chatbots, voice over IP, or video chat capabilities.

Instant messaging applications can store messages with either local-based device storage (e.g. WhatsApp, Viber, Line, WeChat, Signal etc.) or cloud-based server storage (e.g. Telegram, Skype, Facebook Messenger, Google Meet/Chat, Discord, Slack etc.).

Instant messaging was pioneered in the early Internet era; the IRC protocol was the earliest to achieve wide adoption.[2] Later in the 1990s, ICQ was among the first closed and commercialized instant messengers, and several rival services appeared afterwards as it became a popular use of the Internet.[3] Beginning with its first introduction in 2005, BlackBerry Messenger, which initially had been available only on BlackBerry smartphones, soon became one of the most popular mobile instant messaging apps worldwide. BBM was for instance the most used mobile messaging app in the United Kingdom[4] and Indonesia.[5] Instant messaging remains very popular today; IM apps are the most widely used smartphone apps: in 2018 there were over 50 million Signal users, 980 million monthly active users of WeChat and 1.3 billion monthly users of WhatsApp Messenger.

Instant messaging is a set of communication technologies used for text-based communication between two (private messaging) or more (chat room) participants over the Internet or other types of networks (see also LAN messenger).[6] IM chats happen in real-time. Online chat and instant messaging differ from other technologies such as email due to the perceived quasi-synchrony of the communications by the users, although some systems allow users to send offline messages that the other user receives when logging in.[7]

IM allows effective and efficient communication, allowing immediate receipt of acknowledgment or reply. However IM is basically not necessarily supported by transaction control. In many cases, instant messaging includes added features which can make it even more popular. For example, users may see each other via webcams, or talk directly for free over the Internet using a microphone and headphones or loudspeakers. Many applications allow file transfers, although they are usually limited in the permissible file-size.[8] It is usually possible to save a text conversation for later reference. Instant messages are often logged in a local message history, making it similar to the persistent nature of emails.

Non-IM types of chat include multicast transmission, usually referred to as "chat rooms", where participants might be anonymous or might be previously known to each other (for example collaborators on a project that is using chat to facilitate communication).

An instant message service center (IMSC) is a network element in the mobile telephone network which delivers instant messages. When a user sends an IM message to another user, the phone sends the message to the IMSC. The IMSC stores the message and delivers it to the destination user when they are available. The IMSC usually has a configurable time limit for how long it will store the message. Few companies who make many of the IMSCs in use in the GSM world are Miyowa, Followap and OZ. Other players include Acision, Colibria, Ericsson, Nokia, Comverse Technology, Now Wireless, Jinny Software, Miyowa, Feelingk and few others.

The term "Instant Messenger" is a service mark of Time Warner and may not be used in software not affiliated with AOL in the United States.[11] For this reason, in April 2007, the instant messaging client formerly named Gaim (or gaim) announced that they would be renamed "Pidgin".[12]

Modern IM services generally provide their own client, either a separately installed piece of software, or a browser-based client. They are normally centralised networks run by the servers of the platform's operators, unlike peer-to-peer protocols like XMPP. These usually only work within the same IM network, although some allow limited function with other services. Third party client software applications exist that will connect with most of the major IM services. There is the class of instant messengers that uses the serverless model, which doesn't require servers, and the IM network consists only of clients. There are several serverless messengers: RetroShare, Tox, Bitmessage, Ricochet, Ring.

Some examples of popular IM services today include Signal, Telegram, WhatsApp Messenger, WeChat, QQ Messenger, Viber, Line, and Snapchat.[citation needed] The popularity of certain apps greatly differ between different countries. Certain apps have emphasis on certain uses - for example Skype focuses on video calling, Slack focuses on messaging and file sharing for work teams, and Snapchat focuses on image messages. Some social networking services offer messaging services as a component of their overall platform, such as Facebook's Facebook Messenger, who also own WhatsApp. Others have a direct messaging function as an additional adjunct component of their social networking platforms, like Instagram, Reddit, Tumblr, TikTok, Clubhouse and Twitter, either directly or through chat rooms.

Private chat allows private conversation with another person or a group. The privacy aspect can also be enhanced in a number of ways such as end to end encryption by default like Signal. Or some applications have a timer feature, like Snapchat, where messages, conversations or files such as photos are automatically deleted from the users phone once the time limit is reached. Public and group chat features allow users to communicate with multiple people at a time.

Many major IM services and applications offer the call feature for user-to-user calls, conference calls, and voice messages. The call functionality is useful for professionals who utilize the application for work purposes and as a hands-free method. Videotelephony using a webcam is also possible by some.

Some IM applications include in-app games for entertainment. Yahoo! Messenger for example introduced these where users could play a game and viewed by friends in real-time.[13] The Messenger application has a built in option to play computer games with people in a chat, including games like Tetris and Blackjack.

Though a relatively new feature, peer-to-peer payments are available on major messaging platforms. This functionality allows individuals to use one application for both communication and financial tasks. The lack of a service fee also makes messaging apps advantageous to financial applications. Major platforms such as Facebook messenger and WeChat already offer a payment feature, and this functionality is likely to become a standard amongst IM apps competing in the market.

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