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Mobile VoIP SIP Dialer for Android and iPhone

We are a VoIP Company looking to create our own mobile dialers for iPhone and Android.

The dialers should follow have the following features implemented:

- the SIP Protocol is used and sending traffic to port 5060.

- Supports G729, G7231, G711A, G711U and GSM codecs.

- Enables tunneling with a tunnel server listening to port 1805 (a tunnel client that works on windows, will be given to the freelancer to implement it inside the dialer). the tunneling feature is optional for the client to enable or not.

- The dialers should have a window to recharge clients accounts using pin codes.

- The dialers should display the current balance of the user account.

- The dialers should send the callerid with the sip protocol. The callerid should only be sent if verified. Verification should also be done thru sms or phonecall.

- The dialers should allow the client to select from the list of callerids on the fly.

- The dialers should have the option to allow the user to call using local access (his sim card), ourservers direct call or our servers callback feature.

- other features will be included when choosing the freelancer.

The whole system uses a mysql database with a set of very simply databases. the dialers should basically implement the sip protocol to initiate calls and edit the mysql tables for the features mentioned above. The selected freelancer wil get a document showing the mysql database schema with explanation.

The selected freelancer should submit a complete code for both platforms by the end of the project.

Potential freelancers should show previous work in the same domain/track.

On a final note, the project implementation time should take 1 month starting the date of agreement.
early submissions will be rewarded. late submissions will be penalized or might be rejected.

Skills: Android, iPhone, Mobile App Development

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About the Employer:
( 1 review ) Beirut, Lebanon

Project ID: #5197910

19 freelancers are bidding on average $3136 for this job

WangJin

Please stop here and read my cover letter carefully. I'm serious bidder So if possible, share 1 minute with me to discuss the technical problems regarding your project. Dear,sir I have checked your job descrip More

$9278 USD in 30 days
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8.2
qitsol

Awards winning apps. Android & IPad [url removed, login to view] Award winning app - IPhone [url removed, login to view] Vehicle barcode scanner for ios, web .. [url removed, login to view] More

$3092 USD in 20 days
(45 Reviews)
7.7
appstudiozsl

Greetings from AppStudioz! We've gone through the requirement details and shall provide you our understanding, project plan, timeline & cost estimation for the project after a complete analysis. I would like to i More

$1417 USD in 3 days
(11 Reviews)
7.5
TeamValens

A proposal has not yet been provided

$2061 USD in 32 days
(12 Reviews)
7.4
kkokko555

Dear, tarekch! I'm very interested in your project. I will use ffmpeg codec for your all codec and linphone library for sip. Let's start our project. Look forward to your quick response. Best regards. kko More

$2105 USD in 20 days
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6.6
icodingtechno

Hello, Pleased to see your project posting. I've gone through your project details and hereby I'm outlining my understanding about your project Title: Calling App === Features === - Astrict open source is u More

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nworks8uk

Hello There, We are nWorks Technologies from San Francisco, CA with other offices in Reading (UK) & Pune (India). We believe the following are 5 key reasons why our clients consider working with us or prospects (if More

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6.2
simplesshh

Hi, sir. I have read your requirement carefully I am a Android and iPhone/iPad developer and your project is very interesting for me. My ability is just suitable for your job. I'm guru of mobile app development a More

$1894 USD in 20 days
(34 Reviews)
6.1
itsnineit

we have gone through your requirement and am interested in working on the same we already have a working diallers as per your spec and built using linphone please open pmb so i can send the screenshots and even ipa t More

$2222 USD in 30 days
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6.0
murtaza1122

Respected Employer, I have been developing android apps and websites for a long time now and i have already developed many apps, games for Android platform , Links of them are given below. Bidding as low as More

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Trentsetters

Hello, Thank you for reading our project proposal, i had assumed the project scope we are very much sure we can do this project in the given period of time please communicate with us so that we can discuss the project More

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codeware1

Hello, I have gone through your project’s initial requirements with the help of the job posting you have placed. And I think I have requisite experience and expertise to complete your project successfully. I am More

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duzy

Dear Sir/Madam, Wish you all the best at the moment. I done SIP dialer before on Android. I can do the Android version for you. I'm dedicated software developer ranging from Android, Linux, Linux web server (ent More

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qualifiedcoders

Hi, We have read your Requirements and would like to discuss further as we have strong hands in Iphone,Android,BlackBerry & other mobile application development & completed over 150 projects in last 5 years. Ple More

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momodaro

Hello,Thanks for your job posting. I am very interesting for your project. I have rich experiences in Mobile App/Game Developments for 5 years. I already developed many mobile apps with social networks(such as Fa More

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strongsoft

Hello I am interested in your project. I am a mobile software developer with rich experiences in android, ios and phonegap development. And I am very familiar to sqlite, web service(via json/xml), gps, google maps a More

$2577 USD in 20 days
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richINtechno

Hello, * We have checked your details regarding VOIP dialer application. We can develop it in both Android as well as iOS. * The application will have following features:- - The dialers should have a window to rec More

$4123 USD in 35 days
(15 Reviews)
4.6
Harry0703

Hi, I'm so glad to get discussing with you. I just read your job posting carefully and enough understood what you want. I'm a senior developer who has rich experiences of over 7 years in mobile app & game developmen More

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WemoTechnologies

Respected Customer G'Day, This is Hussein. May I assist you in this part? Hoping for your favorable consideration. Please have a look. Thanks Samples [url removed, login to view] More

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tbldevelopment

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