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

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 based on RFC3261

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

Budget: $2,000 to $5,000 USD

Skills: Android, iPad, iPhone, Mobile App Development

See more: iphone budget dialer, softphone g723 vpn, wifi calling android, wifi app for android, vpn on android, vpn for android, video call android, video app developers, viber for android, viber app for android, viber android app, tested and proven, standard speaker, standard forwarding, run windows on android, run android on windows, run android on pc, run android on iphone, rich g, mobile reference, messaging app for android, looking for a new mobile phone, history of android, developers mobile, company history example

About the Employer:
( 1 review ) United Kingdom

Project ID: #4169433

18 freelancers are bidding on average $5142 for this job


Please kindly check your PMB.

$7500 USD in 50 days
(56 Reviews)

Please check PMB. Thanks

$5000 USD in 20 days
(28 Reviews)

Hi Boom Town, We are very much interested in your project as we do have an existing VOIP application for Android & iPhone platforms only. We can create a build pointing to your SIP server share and you may review t More

$6000 USD in 20 days
(48 Reviews)

Hi. Please see PMB.

$4000 USD in 30 days
(38 Reviews)

Hi, I have a solution for both Android and iPhone with tunnelling. Let me know if you are interested. Which SIP server do you use - Asterisk / VoIPSwitch? Thanks.

$10000 USD in 20 days
(38 Reviews)

We are iphone, android certified.

$5000 USD in 45 days
(15 Reviews)

Dear Sir/ma'am, I hope You Doing Well, We really want to work on your project. Please Read your PM. Thanks and regards, A.A

$3000 USD in 21 days
(22 Reviews)

Hi We have all the requirements you mentioned here. Please check your private message for details. Thanks

$5000 USD in 45 days
(2 Reviews)

Dear sir After reading your project SIP Mobile Dialer details,we are interested in this project and would like to bid on this project. we take care of our every client personally and has always long term relationship.w More

$5250 USD in 45 days
(4 Reviews)

Hi, Please check private message. Thanks

$3000 USD in 35 days
(11 Reviews)

Hello, Thank you for giving us an opportunity. Please check our cover letter and profile from the PMB. Profile includes link to some of our famous apps on Android market (50K+ downloads and counting...) and More

$5000 USD in 60 days
(4 Reviews)

Hi! how are you? We are looking for the long term business relationship with you and We have all strength and ability to do and develop all kind of apps and games. Please read my pm so we can move further.. thanks

$4000 USD in 30 days
(1 Review)

Hi please check your inbox Thanks

$5000 USD in 30 days
(4 Reviews)

Hi, We are creative and innovative freelancer, And we are so much interested to work on your project, Please check pm for ultimate solution. thank you. VM

$4000 USD in 26 days
(16 Reviews)

Greetings, Let's start..... We are one of the India's highly skilled mobile technology experts. We specialize in giving an App idea a concrete shape with a Guarantee of Excellence, Quick turnaround and Cost-effecti More

$3000 USD in 25 days
(1 Review)

Hello, We are leading and experienced IT Services Company from India. We deals in a web as well as mobile app developments. Many satisfied clients love to work with us as we have 5 star rating and 100% completion rate More

$5000 USD in 45 days
(3 Reviews)

I have such a solution for windows 8 tablets.

$8000 USD in 40 days
(0 Reviews)

we have worked on similar projects and can give you a demo.

$5000 USD in 50 days
(0 Reviews)

Hello, Please do check your PMB. Regards,

$4500 USD in 60 days
(0 Reviews)

Hi There, Glad E-Connecting. Our Value Proposition Tanla has the right mix of expertise to deliver mobile services. By carefully and methodically moving through the development process we make sure that your mobil More

$4500 USD in 30 days
(0 Reviews)