Estimated duration: 3 - 5 days
General information for the app needed are::
wall,timeline lbs audio video VOIP APP
Kind of development: Customization of existing app which has all chat ,group chat,voice ,photo,......... now need to audio video voip callback & ad networks...
Description of every page/module: We need an experienced VOIP Developer to complete functions on an existing opensource app , the xmpp server will be openfire.
Description of requirements/features: the app will be similar to
[login to view URL] telegram whatsapp wechat
audio, video, chat, PSTN Calls
Specific technologies required: android, voip, xmpp openfire
Extra notes:
chat and disscuss
Hi,
Whats up.
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Regards,
Offenders Techno.
Your reliable Partner
Hello client, dont waste time and money with developers that have no clue . I have been involved in a chat app for over 3 years.
The chat app must work with xmpp and openfire can be used to host millions of subscribers with clustering.
for the voip calls, we use a sip stack that is reliably and this will hand video and audio calls. we have a stack for android , ios ready.
we use opensips and proxy media - this can be clustered to handle millions of users
we use asterisk and a2b for conferencing, pstn calls, billing and DID assignment.
Just building a server that handles all these is $3000 and then each device we pay per hr
Let me know if you have interest and we can start your work immediately.