Android VOIP application - problems establishing a voice(RTP) connection
$250-750 USD
Em Andamento
Publicado há aproximadamente 11 anos
$250-750 USD
Pago na entrega
I have an Android VOIP application which has problems establishing a voice(RTP) connection. The application actually has two voice connection implementations: a custom one based on Sipdroid and an implementation made using built-in Android RTP API ([login to view URL]). And you only need to fix ONE of these.
The first(Sipdroid based) implementation doesn't work reliably - from some reason it occasionally fails to transfer voice (RTP) data between the caller and callee. Plus it rarely succeeds in establishing a connection between the caller and calle if one of them is using a Samsung phone. It appears that UDP hole punching doesn't work very well on Samsung phones. The second ([login to view URL]) implementation works almost perfectly. Its sole problem is that it has a terrible 2 - 4 seconds latency. I.e. it takes between 2 and 4 seconds for caller to hear what the calle said and vice versa.
So, long story short I need someone familiar with RTP protocol, Android networking and perhaps VOIP in general to either fix the current code or create a new RTP layer from scratch. If you have ever created a VOIP Android app that uses RTP protocol to transfer voice data you should be capable to fix this. Note that your job on this project is just to take care of RTP related code, everything else is in place and working.
If you don't have experience with this kind of applications don't bother bidding.
I have experience of working on VOIP application based on XMPP(communication protocol) and RTP (data exchange). Please check your PMB for more details.
Dear sir,
We introduce ourselves as an IT company working almost in all technologies based on web and mobile devices.
I have attached the work in PM that is relevant to your project.
Please see to it and reply.
Thanks
Dear ,
Please contact me to get this work done. I am working as a Voip engineer. I have experience in setting up such projects in past. I will do it at very afordable price. Please contact me
Thanks