Project Description:

We need a voip mobile dialer like itel dialer, mosip dialer and other popular dialer \esign that has about 5 screens. (Messages; Recent; Contacts; keypad; About; Settings Invite to Use; Privacy).

The app should integrate with the all softswitch like voipswitch, VOS, MTVS, Sippy and all other I. The main functions of the app will include:

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

2. Should not kill the battery of the mobile device

3. Address Book Integration with local Phone Address Book AND the platform

4. User Credentials Save / Change Username & Password

5. Volume Control

6. Protocol SIP (RFC 3261)

7. Media Support RTP (Real Time Transport Protocol) & RTCP (RTP Control Protocol)

8. Transport Mode TCP, User Datagram Protocol (UDP), TCP to UDP Interworking

9. Codecs [url removed, login to view], [url removed, login to view], AMR (Adaptive Multi-Rate Compression), iLBC, [url removed, login to view], GSM.

10. Network Address Translation (NAT) Traversal Through Encryption & STUN

11. Voice Quality Silence Suppression, Packets Loss Management

12. DTMF - (Dual Tone Multifrequency) Generation & Detection (RFC 2833)

13. Call Status Indicator Displayed on phone screen

14. Call History, Call Detail Records, Current Account Balance, Current Account Balance, Current Account Minutes Remaining

15. Speakerphone

16. SMS (through the platform)

17. App will be in English, but should allow for multiple language support by design

18. App should voice and SMS encryption

19. App should work in SIP block countries like UAE, Oman and KSA. These countries not allowed voip sip calls.

Skills: iPhone, Mobile App Development, VoIP

See more: mobile sip dialer tcp, mobile voip current balance, voice description, protocol translation, privacy design, mobile compression, dual encryption, adaptive design, 10 keypad, mobile voip rate, voipswitch, voip support, voip sip dialer, voip rtp, voip rate, voip mobile dialer, voip dialer, uae work, softswitch, sip phone app, sip calls, sip app, rtp, rfc, mobile device management

About the Employer:
( 0 reviews ) Dubai, United Arab Emirates

Project ID: #5893493

24 freelancers are bidding on average $8518 for this job


Hello-we've gone through the requirement details regarding your VOIP mobile dialer app. You posted a high level description of the project, please give us some more details to review and we shall provide you our under More

$8762 USD in 45 days
(20 Reviews)

hello, i checked your given detaisl and we develop your VOIP and IP dialer concept app for IOS version and here please check our developed similar concept app More

$9278 USD in 55 days
(39 Reviews)

Hi there, I've worked with VoIP apps for both Android & iOS with asterisk / voipswitch. The features included Contact book integration, general Audio Video Codec supports including G729, STUN, DTMF, Call History, Sp More

$5000 USD in 0 days
(54 Reviews)

Dear sir, I am very interested in your project. If you give me a chance to do your project, then I will do my best. We can discuss about your project in more detail on Skype or something. My Skype id is pingzhu More

$21052 USD in 90 days
(66 Reviews)

HI I've read your requirements in detail. I'm kick-ass amazing phone developer who is not afraid to dig in and make things happen! Iím available for communication 15+ hours a day including voice chatting. I will be mor More

$5263 USD in 30 days
(15 Reviews)

Hello sir / ma'am, Thank you for your project post, ------------------------------- As you required : =>You need to develop Voip(SIP) Dialer App. =>I assumed your requirements. =>We have experience,we surely More

$7368 USD in 65 days
(20 Reviews)

Dear Hiring Manager. After read your job description carefully, I'm very interested in your project. I’m high-skilled Mobile App Developer with rich experience in various kind of iOS Frameworks, Facebook/Twitter/Go More

$5154 USD in 30 days
(28 Reviews)

Hi, Greetings from BR Softech! Thanks for giving your precious time to review our bid!! ***QUERIES WE HAVE: 1. Have you bought any API for VOIP? 2. For which countries the app will be? We try our b More

$5154 USD in 45 days
(18 Reviews)

please check ALMAOUD on itunes store. We have been servicing this solution to UK. We are Asterisk/PBX/A2billing and softphone expert group Regards

$8421 USD in 50 days
(24 Reviews)

Hi, Lots of competition here so if I show you Something its not going to work as you might have seen much before. So better we can talk on your project directly plus we have clients like American Express, Cafe More

$7216 USD in 30 days
(13 Reviews)

Hi, thanks for your job posting. I’v good skill on iOS and android app developing with 6 years XP. Especially, I am so familiar with VOIP/SIP, XMPP, VideoConference realltime CODE/DECODECs, asterisk and customized ba More

$7368 USD in 45 days
(19 Reviews)

Linphone can handle this. I can customize it for your needs. Kindly contact me and lets discuss more on the project. Thanks.

$5000 USD in 30 days
(4 Reviews)

Hi Thanks for reading my application. Please take a look my portfolio. You can find something to let you touch me. Please let me know your requirements in detail. All the best

$6842 USD in 30 days
(10 Reviews)

A proposal has not yet been provided

$5263 USD in 30 days
(1 Review)

Hello, Sir Thanks for your great job. I am very profession at voip projects. I have been developing multimedia communication projects for 6 years. Please check my voip app and please check atteched apk for andr More

$6315 USD in 30 days
(2 Reviews)

Hi, Dear I have rich experiences in VOIP app developing. Please check my working history. !!! FOREVER WIN !!!

$8888 USD in 30 days
(7 Reviews)

Hi, We have already done 2 voip apps. Contact me. I will show you demo of my work. Skype - tushar2211

$6315 USD in 60 days
(7 Reviews)

Recently worked on these VoIP applications - 1. 
 3. More

$5000 USD in 3 days
(0 Reviews)

Hello Sir/Ma'am, We have designed and developed many Software,websites,Apps which are currently running online as business. For those websites/project we used ASP.NET,PHP,Wordpress,Joomla,Drupal,Magento etc We More

$6315 USD in 60 days
(0 Reviews)

A proposal has not yet been provided

$5555 USD in 30 days
(0 Reviews)