I need to add some functions to exist voip.

please share the current application you have and i can surely add call history and contacts feature in your application. i am sure and confident i can do it, i have build VOIP application in the past and i am sure i can work on existing code. lets chat to start.

Yes I can add call history and contacts function to exist voip....................................................................................................................................

Hello Friend, We have 4+ year experience in design and development of Websites and Mobile Applications. We have relevant experience to your requirement. We can do your project. We have expertise in developing Appointment Application, Business Application, E-commerce Applications, Payment gateway integration etc. We have expertise in Design, Java, PHP, Android, iOS, Database etc. Either we can go with fix cost or you can hire us on daily basis. We are more flexible in our availability. We could have long term deal where dedicated developer will be available for you all the time. Looking forward to hearing from you. Regards Mahavir

Hello What VoIP system you are using. is it asterisk based? I need to get more details on your requirement, please contact me to discuss further. Thanks

We can make those two functionalities into your CURRENT LINPHONE APP. But need SIP DETAILS and SOURCE CODE OF your current app. Our developers have 5+ years of hands-on in SIP and VoIP services. We are the TOP LINPHONE customization team in MARKET. We can develop you the required features in your Budget. INBOX

Dear client. I've read you project description carefully and very interested. Let's discuss over chat and get started. Waiting your reply.

Customer's satisfaction is my goal *** *** Also 100% Completion is happy of me and client. *** *** Rest is my creative idea and honest effort. *** Looking to be your Good Venture along with your project! Best Regards.

Hi, I am an experienced Android developer. I will add this functionality to your app. please discuss the details. Regards Shakeel Ahmed

please say to me what the features would you like to add in you pbx. i am here to check and update the time and value for the solution. thanks

I have experience of 4-10 websites so I can make very efficient for you & I will also handle your websites for 1 year.