VOIP client with automated features running as web service


We are looking for a coder to do some work in parallel for our core software.

We need a web service or alike that will act a SIP client but with no user interaction. The "virtual SIP client" needs to receive a SIP call, validate the user calling, take the call, perform some handshaking (ready to receive, ready to send, received, sent), accept a file being sent from the originating party and store that file online. There might be also some SQL involved to convert the information received in the file into a database (or update the info in a DB).

There is no user interaction for this "virtual client" we intend to use it as a backup system of information. Some entity will make a automated call and send a file, the "virtual client" needs to receive the call and the file and store it.

There will be be some border conditions to handle (if the connection gets lost in the middle, if it get lost before during the handshake, etc).

The place where the service will be running will be selected by you but approved by us. We expect you to provide a couple of options for our review.

We will handle all of the originating party side of the communication and we will do the testing (we will have the originating party side ready for testing purposes). The approval criteria will be:

1. Successful storage of the file sent (from answering the call until the file is securely stored online)

2. Source code delivered

3. Software design document in english (we expect a decent high level document with low level detail in critical portions)

4. Testing protocol (we expect you to provide key tests that need to be performed to verify the functionality, although testing will be done by us).

5. Post service support if new bugs appear (if any bug is detected within a reasonable time frame, to be agreed, we expect you to solve it. Of course this is limited to the requirements and scope of the project. We want to be sure that if a bug is present and it takes more than just a couple of days of testing to detect it, you solve it).

We provide:

* Detailed written requirements

* Our commitment to assit you if you have questions or you need us to be more clear on the specs

* Our time if you need to discuss something about the implementation

* We are available if you need us, email, skype, hangouts, etc


- None of your code shall be under a license where the code needs to remain public

- If you use other libraries or software (particularly software of unknown pedigree) you will first need our approval

- The host needs to support a scalable approach, at first data transfered and call will be very little but we expect to grow

- If you plan to host everything in a location such as Amazon web services we expect you to provide us with the scalable options.

You are free to suggest any ideas in your proposal if you feel they will make things easier for us or for you.

Thanks for considering our project.

Skills: MySQL, VoIP, Web Security

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Project ID: #4197387

7 freelancers are bidding on average $1421 for this job


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$1500 USD in 30 days
(6 Reviews)

Lets do this. I have experience in doing this kind of work

$1750 USD in 5 days
(5 Reviews)

I can do this in java. Kindly contact me. I would need you to create sip accounts for test purpose for me. Thanks.

$1000 USD in 25 days
(1 Review)

Atto communication pvt ltd based out in Bangalore, India. We started in 2011 with team of people who have rich experience Marketing , Software development and Testing in field of Networking and Wireless More

$1200 USD in 15 days
(0 Reviews)

Hi We are interested in your project and read your requirements.We have completed 150+ big projects in .NET,PHP and Java in last 5 years. Please check private message board for details.

$1500 USD in 12 days
(0 Reviews)

Hello, Please read PMB. regars S

$1500 USD in 30 days
(0 Reviews)

we have worked on similar projects

$1500 USD in 30 days
(0 Reviews)

Wehave gone through your requirements and we are ready to work on the project. We have efficient and sufficient resources to complete your project. We assure you quality service and on time delivery. We have done simil More

$1500 USD in 30 days
(0 Reviews)