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VoIP application for Android and iOS platforms

We are looking for VoIP SIP caller application for Android and iOS platforms. We would like to integrate our service VoIP to one of already developed VoIP application.

Some requirements for these projects;

Project is divided in two phases. In first phase we’d like to get simple sip caller application and in second phase also provisioning. Please see details; (more info. Evaluation criteria and roadmap you’ll find in attached document).

1. Simple VoIP application - SIP caller

-Application GUI must be easy to use (example C-SIP-Simple), look and feel should be “identical” to the platform native callers

-Manual setting and configuration for registration

-VoIP application must use SIP for its connections, registration and making calls.

o Sip Registration (RE-Register on 90% expiry time in 200-OK msg.) with Auth

o Sip Calls (both directions) with Authorization

o Configuration for SIP settings:

• set SIP port

• proxy setting (different proxy / outbound proxy,..)

• different AuthID and EpID

• volume settings (mic and speaker)

• echo canceler

• silence suppression

• Codec list (set codecs priority, enable codecs)

• set RTP ports range

- Enable/disable call features:

?Calling Line Identification Presentation (CLIP)

?Calling Line Identification Restriction (CLIR)

?Call Forward All

?Call Forward Busy

?Call Forward No Answer

-Sound quality must be High quality, if possible HD sound quality,

-Beside good sound quality minimum bandwidth rate must be used at particular connectivity.

o Echo cancellation is preffered

o It should support a wide variety of audio codecs like iLBC, PCMA, PCMU, [url removed, login to view], g.729...

-Address book integration, and call history (Dialed/Answered/Missed).

-Branding is mandatory – skinning,

-Custom selection of 3G or WiFi data connection;

o When WiFi network is connected, SIP caller application starts automatically (if user set this option).

2. Second step, Phase 2: Simple VoIP application - SIP caller with provisioning

-Provisioning

oSeveral provisioning methods are possible, for example

?Provisioning with activation code

?Provisioning with SMS and corresponding »auto configuration« file

?Provisioning with username and password as user client (like Detelfone users)

-Enable/disable call features:

?Call Transfer

?Music On Hold - optional

?Conference Call

-Blacklist/Whitelist

-DTMF transfer (inbound , SIP INFO, RFC-2833)

Skills: Android, Engineering, iPhone, Mobile Phone, VoIP

See more: voip application, wifi calling android, set o application, proxy for android, network engineering projects, music on android, mobile application requirements document, mobile application gui, line for android, ios support, ios history, ios for android, ios features, history of android, high on android, for android, conference call android, application requirements document example, android wifi calling, android sms transfer, android settings, android service example, android proxy settings, android presentation, android manual

About the Employer:
( 0 reviews ) Slovenia

Project ID: #4306553

13 freelancers are bidding on average $1142 for this job

itsnineit

hello i have gone through your requirement and am interested in working on the same we can complete the phase 1 and phase 2 as per your spec and document within 30-35 working days once the UI is approved please revi More

$900 USD in 34 days
(6 Reviews)
5.6
SICS

Please check the private message.

$750 USD in 10 days
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syneotek

Hello, Greetings!! iPhone/iPad/Android/php expert ready to start immediately, Please check PM for detail information. Thanks

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4.8
vonguyen

Thank you for your posting. Please check PMB

$1500 USD in 20 days
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4.3
mickeyk600

Hello, thanks for the opportunity to quote on this app please check you PMB

$650 USD in 10 days
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3.8
bkshukla1

Please check your PMB.

$1000 USD in 15 days
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3.5
richINtechno

Hi, We are very much interested in your project. Please find the detailed bid in your PMB. Thanks Rich Technologies

$3000 USD in 35 days
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3.1
Trentsetters

Hi, We are one of the best developer on freelancer. We can provide you a excellent solution as we are professional and experience. Read my PM for your ultimate solution. Have a nice day.

$2000 USD in 22 days
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pythonshell

consider it done.!!! check pm.

$450 USD in 7 days
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PapillonSoft

Hi, We are off shore based Smart Phone Applications/ Web Development company working since 5 years. Please find the detailed bid in your PMB. Thanks. DB PapillonSoft

$1500 USD in 25 days
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naushads

we have worked on similar projects

$2000 USD in 40 days
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AndroiPhone

Please see PMB

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tailong1

Dear Hiring Manager! I'm interesting in your job. I can do this job.

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appoloan

Hello Please Check PMB for our portfolio Thanks

$500 USD in 15 days
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on2it

Hi! Thank you for considering us for this job. The team here at on2itonline would love to work for you on this project. We can guarantee that we will deliver the Smartphone application incorporating all the features an More

$750 USD in 21 days
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