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Android SIP Client

Project is for an Android SIP client based on sipdroid or similar with the following features:

• Access to phone/sim contacts

• Option to set app as default dialer either when on wifi, when on local data network, or at all times (including when roaming)

• IPSEC VPN client built in

• GSM or G729 codec (G729 preferred, but battery drain must also be taken in to consideration)

• Ability for app to intercept a “wake up” call from the cellular network to re-enable data on phones with data set to turn off after a certain idle period

• Conforms to SIP RFC and correctly passes DTMF tones

• GUI will ask for username and password, that username and password will then be queried against a central database to retrieve SIP username and password – SIP credentials should not be accessible by end user

• Any other protection to prevent end user from using SIP credentials on a non-cellular device should be considered

• Must work behind NAT/private IP

• Mute/Speaker/Conference/etc

• Possible balance display functionality

• User friendly GUI with custom branding and logo

Full source code must be provided and must be written in English.

Skills: Android, Mobile App Development, VoIP

See more: android sip client, sip client android, wifi app for android, vpn on android, vpn for android, vpn client for android, password app android, conference call dialer android, conference call android, android phones 2013, android gsm to sip, android conference call, android central, android battery drain, all android phones, vpn ipsec, vpn client, sipdroid, sip phone app, sip app, rfc, ipsec, drain, central phone, battery logo

About the Employer:
( 0 reviews ) United States

Project ID: #4446897

11 freelancers are bidding on average $1007 for this job

ranakrishnapaul

Hi, Lets do it. Thanks, Rana

$3150 USD in 30 days
(12 Reviews)
5.2
emartonline

I can help

$550 USD in 3 days
(5 Reviews)
4.0
jagrutibhadani

I am an expert mobile application developer having 2 years of experience. I always finish off the task which i touched. I assure you work on time with daily updates.

$525 USD in 20 days
(4 Reviews)
3.9
getveltrod

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

$721 USD in 25 days
(4 Reviews)
3.7
udaysgh

Ready to complete this project and provide you all the files in English as you want.

$787 USD in 10 days
(2 Reviews)
2.0
steelmans1980

I'll do it using CSipSimple Opensource SIP stack, but take note that G729 requires licensing, and costs 10$/channel so it may not be something you want to ship along. SIP clients which support g729 offer it as a premi More

$1100 USD in 60 days
(1 Review)
1.6
bangdroid007

Please check your PMB

$616 USD in 9 days
(1 Review)
0.2
nmlemus

You need this software because you have a VoIP system or you need a VoIP system to??? Because if the answer is the secound then I can provide you with a good system with very good rates. So if you are interesting just More

$550 USD in 3 days
(0 Reviews)
0.0
ievatechnology

Please see private message.

$1980 USD in 15 days
(0 Reviews)
0.0
johnson1969

I have delivered several call center projects. I posses CCIE certification in security and R&S. I have been designing and delivering in networking and security domains for over 10 years. Delivered hundreds of such proj More

$550 USD in 3 days
(0 Reviews)
0.0
yelenn

I 'd have demo VOIP for android. I can connect by user and password! and send demo to you today.

$550 USD in 3 days
(0 Reviews)
0.0