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 G.723, G.729, AMR (Adaptive Multi-Rate Compression), iLBC, G.711, 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: voice over description, protocol translation, privacy by 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 iphone, sip calls

About the Employer:
( 0 reviews ) United Arab Emirates

Project ID: #7019961

20 freelancers are bidding on average $5679 for this job


A proposal has not yet been provided

$5154 USD in 30 days
(38 Reviews)

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$5263 USD in 30 days
(85 Reviews)

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$5263 USD in 30 days
(39 Reviews)

Hello Thanks for your good project. I have seen your description carefully. There is no any risk for me at your project. Please check my work history. I have developed a lot of iPhone/Android VOIP apps and publi More

$5263 USD in 30 days
(39 Reviews)

A proposal has not yet been provided

$8421 USD in 40 days
(49 Reviews)

Hi, I have read your post and understood your requirement and I have great experience in handling Native: iOS, Android, Windows8 (Objective-C, Swift, Java, C#), JNI, NDK (C/C++) - Web service: XML/J More

$5154 USD in 50 days
(11 Reviews)

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$5263 USD in 30 days
(22 Reviews)

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$5263 USD in 30 days
(28 Reviews)

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$5154 USD in 30 days
(5 Reviews)

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$5263 USD in 30 days
(11 Reviews)

I am VoIP & Mobile developer My voip apps have high voice quality. I developed these voip apps for Global TMail([login to view URL]) company and Voiproaming([login to view URL]) company. Specially, voifone suppo More

$5555 USD in 15 days
(17 Reviews)

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$6000 USD in 25 days
(6 Reviews)

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(12 Reviews)

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(14 Reviews)

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$6842 USD in 30 days
(4 Reviews)

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$5263 USD in 30 days
(2 Reviews)

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$5000 USD in 30 days
(0 Reviews)

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$5555 USD in 30 days
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