0
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1answer
120 views

Network problems with Samsung Galaxy Young (S6312)

I'm having a network problem with my Samsung Galaxy Young (S6312) device. Sometimes while trying to make a call, even though the signal indicator shows 2 or 3 bars, the device displays a message like ...
0
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0answers
20 views

Send data through voice during Emergency responce

I am working on developing a system to be used by Humanitarian organizations during emergency response. This system shall be capable of sending filled questionnaires, reports and photos through ...
1
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1answer
50 views

Data voice calls app

Does a free app exist in the UK which can be installed on 2 android phones allowing you to make free data voice calls over an internet wifi connection for free without having to register a new account ...
25
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6answers
6k views

Can I use 2 android phones as walkie talkie? (without internet!)

I want to use 2 (or more) android phones as walkie talkie (i.e. they talk each other without needing internet/voice call). Of course this should work with wifi, because it doesn't make much sense a to ...