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Fix Sip Voip Application Error

I created an android application using android native sip libraries. But it does not work on some device. i think we need to use external libraries for this. I am searching a developer has experiences about that. app is completed %90. the developer only fix sip library issue. if you dont have any experience about voip and sip system pls dont bid it. i dont want to lose time.

Skills: Android, VoIP

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About the Employer:
( 25 reviews ) Istanbul, Turkey

Project ID: #15209671

17 freelancers are bidding on average $158 for this job

lyj941124

Hello! I'm an expert Android developer from China, having 5 years of experience with Android mobile app development. Please kindly check following apps in the Google play store that I have developed. https://play. More

$100 USD in 3 days
(43 Reviews)
6.2
$155 USD in 3 days
(47 Reviews)
6.2
jinzhenzhu8691

My name is LiMing. I am coding for over 10 years and have many experiences in this field. I read your description carefully, But I don't understand some problems in your description. If we discuss about your project More

$155 USD in 3 days
(8 Reviews)
5.4
RubyOnRail

Hello We have a Skilled Team of Experts having a Strong 8 years of an Experience in Web & Mobile Application Designing & Development & have already completed more than 230 Projects successfully. Relevant Skills a More

$277 USD in 10 days
(5 Reviews)
4.8
raiakanksha49

A proposal has not yet been provided

$230 USD in 3 days
(17 Reviews)
4.9
praveensahu82

Hello Sir, We have done several projects like this. We will do your work very well and on time We have a sound and experienced mobile app development team having expertise in Angualar, NodeJS,FullStack, PHP More

$111 USD in 3 days
(2 Reviews)
4.3
hawkscodeaus

Mobile app developer, 7+ years of experience Relevant Skills and Experience Android SDK, JAVA , Cocoa Framework ,XCode ,iPhone SDK ,Cocos2D,OpenGL ES, Master Databases (MySQL ; SQLite), Proposed Milestones $200 USD - More

$200 USD in 3 days
(6 Reviews)
5.1
$155 USD in 3 days
(9 Reviews)
4.4
$155 USD in 3 days
(15 Reviews)
4.2
$155 USD in 3 days
(2 Reviews)
3.0
goldenstar0406

Hi,dear. I am a senior software developer. I have just checked your project "Fix Sip Voip Application Error", I can complete this project. Thanks. Relevant Skills and Experience Android, VoIP Proposed Milestones $155 More

$155 USD in 3 days
(4 Reviews)
2.1
reogi

hello. how are you? Did SipErrorCode function detect the error? 연관 기술 및 경험 android,voip 제안된 마일스톤 $198 USD - on time

$155 USD in 10 days
(2 Reviews)
1.4
liming8691

My name is Nitu Kumari. I read your description carefully. I have some questions about your project and want to discuss about them via chating. There are some samples I developed. - app [url removed, login to view] More

$155 USD in 3 days
(1 Review)
0.4
Daphnistech

We have great expertise in providing web design, website development, and software development, Android application, Relevant Skills and Experience SPECIALITIES: SEO, Java, .NET, PHP(CodeIgniter), Wordpress, Prestasho More

$144 USD in 3 days
(0 Reviews)
0.0
abhafreelancer

We having 6+ yrs experience in Android and IOS application development, feature enhancement, bug fixing and debugging in Android, Java. Relevant Skills and Experience Android APP 1: [url removed, login to view] More

$30 USD in 3 days
(0 Reviews)
0.0
schoudhary1553

Greetings, I can help you in android and VOIP native application sip libraries . Please ping me for more discussion. Please see my profile i have deliver almost 270 projects with 100% client. Relevant Skills and E More

$200 USD in 2 days
(0 Reviews)
0.0
$155 USD in 3 days
(0 Reviews)
0.0