SIP Mobile Dialer (iPhone, Android and PC) with VPN Tunneling support,work in sip block countries - repost

Dear Developers,

We are looking for a fully customized feature rich Mobile Softphone (SIP) dialer based on iphone, Android, and PC Windows platforms with VPN/tunneling support to work in countries where SIP or VOIP is blocked. We are looking for a company that has a ready-made product/app which is proven and tested.

We will require the source code and all documentations for this project.

Please Bid only if you have already developed a mobile dialer in the past as we are not interested in any experimental projects.

The dialer should have all the standard features normally found in a mobile dialer (example: viber,vonage,vippie etc).

If you have any new ideas or features regarding the dialer which will enhance the functionality we would really appreciate that and would like to discuss this with you.

Following features must be available in the dialer:

Making & Receiving VoIP Calls Over 3G, WiFi, GPRS.

-Video calling

-Voice calling



The dialer should also provide Vpn/tunneling support for working in SIP/Voip blocked countries.

Mobile Dialer should support SIP/H323 for signaling and should work with any standard SIP server.

Mobile Dialer supports G729, G723.1 and [url removed, login to view] codec for sending audio stream.

Mobile Dialer can run behind NAT or on private IP with VPN Tunneling embedded.

Integrate with phonebook contacts

Dial, Hang up, Redial

Call Hold

Call Mute

Call Forwarding

Call Waiting

Speaker Phone

Keypad Display

Call History: All, Recent, Dialed, Missed

Account Setup

Work with all standard SIP servers

Supports all standard SIP supported switches

Please bid only if you have developed something similar and tested and to provide us details and the reference of your developed dialer.

Skills: Android, Blackberry, iPad, iPhone, Windows Mobile

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About the Employer:
( 0 reviews ) london, United Kingdom

Project ID: #4507781

20 freelancers are bidding on average $3763 for this job


Hello, I`m serious bidder. Please see PMB. Thank you!

$3092 USD in 15 days
(32 Reviews)

We are an expert in building Mobile Applications. Please check PMB. Thanks

$2886 USD in 20 days
(20 Reviews)

We are iphone and android expert.

$5154 USD in 40 days
(16 Reviews)

Hi Sir, I am interested to work on this project. Please check PMB for more details

$2268 USD in 30 days
(19 Reviews)

Greetings!!! we have worked on similar SIP or VOIP mobile Dialer apps,thus we are leading professionals in Android and iPhone app development,we have worked on quality projects like Audi,IPL 2013 Sony max,comvoice,iloc More

$3052 USD in 20 days
(10 Reviews)

Hi Good Morning, Hope you are doing well. We have review your proposal and we found that we can fit into your requirement. We have very strong expertise in building small to large scale web application. So fa More

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(4 Reviews)

Expertise in Mobile Application Development. I can start the Project immediately. Please check PM. Waiting for your reply..

$1752 USD in 27 days
(3 Reviews)

It's an easy task for [url removed, login to view] have gone through your requirements and we are ready to start the work immediately on your project. We will send you the complete list of company's projects and portfolio once you reply us b More

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Hi, Veltrod Software services is a global software consulting company specialized in providing Mobile applications, Social media frameworks and eCommerce solutions. Leveraging best-in-class people, processes, and t More

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(4 Reviews)

Hi!! Please check PMB For Detail!!! Thanks & Regards,

$2886 USD in 3 days
(2 Reviews)

Hello, We introduce ourselves as Trentsetters Pvt Ltd. We deal in almost all mobile and web technologies. We have enthusiastic teams developing the project as per your needs. Our moto goes with our name TREND SETTER More

$3000 USD in 28 days
(1 Review)

Hello! I have a team of highly competent mobile developers and designers that will provide you high quality mobile applications (objective C, Xcode, Cocos2D, Cocos3D, HTML5, Android). I am 100% confident that we can de More

$5333 USD in 45 days
(1 Review)

We can do this work we have done this kind of work before in past

$15463 USD in 60 days
(5 Reviews)

Hi, We already developed VoIP softphone for Android, iOS & you may look your private message box.

$8333 USD in 10 days
(0 Reviews)

windows phone developer with having quick and elegant design and program.

$2500 USD in 3 days
(0 Reviews)

It's an easy task for [url removed, login to view] have gone through your requirements and we are ready to start the work immediately on your project. We will send you the complete list of company's projects and portfolio once you reply us b More

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(0 Reviews)

Hello, I believing in short and sweet explainatio..we have expertise for this kind of development and we are in this industry since 2004... We providing high solution and best deliverble partner for this industry More

$2500 USD in 20 days
(0 Reviews)

Hi, We take pleasure to introduce ourselves as a team of experienced professionals in the fields of Mobile Application Development and Design. Currently, our expertise includes Android, Blackberry & iPhone plat More

$2689 USD in 14 days
(0 Reviews)

Hi..please check my team has already worked on SIP dialer...

$3888 USD in 45 days
(0 Reviews)

Agency Virtues is a digital creative agency based in São Paulo, Brazil. Since our birth in 2001, we've done lots of different things. Banners, websites, widgets, viral films, microsites, Development of Systems, brand More

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