Mobile sip client required.
Must work in background. Android definte other OS's a bonus.
SDK and source code required.
Customsation, onward development and support, following successful trials of initial product.
Dear sir:
I have experience setting up Asterisk PBX boxes for 200+ extensions in Houston, TX USA. We have very strong Android team here that WILL deliver what you need.
Please don't hesitate to ask me any question any time at your convenience.
Thanks and look forward to our cooperation!
Nguyen D. Le