PBX (private branch exchange)

10+ years Asterisk PBX experience, also completed 50 PBX related projects here at freelancer.com, please check my clients feedback here -> https://www.freelancer.com/u/ivan381eu

Hi, I can built a PBX (private branch exchange) to make and receive a calls. Recently my team has integrated VOIP applications based on Asterisk to several Ukrainian and Russian hosting services providers. I have a great experience with such technologies like Asterisk, Node JS, VoiP. So I can develop and support voice services. I'd like to discuss the details in chat. If you are interested, contact me.

Hello. We are Team iKcon!! We have reviewed your requirements for PBX Setup for your Real Estate Business. We will complete your PBX Setup for your team and setup SIP Trunk and complete your project. For more information you can message us.

Hello, I'm VoIP Expert with more than 7 years experience in Asterisk-based systems: installation, configuration, troubleshooting. High quality and post-project support guaranteed! Check my profile and let's start!

I have developed many projects based on Asterisk PBX like multiple office communication, autodialer, voicemail/recording system more. I have also configure SIP trunk for voice and video calling and international routing.

The experience our team have in VoIP and WebRTC is Developing and maintaining VoIP/Sip applications in .net/c++. Developed WEBRTC Media Gateway in C++. To Link PBX Vendors like Alcatel, Avaya, Cisco and Traditional SIP Platforms with New Web Media Technology. Call from PBX Based Hard Phone or SIP Soft Phone and receive on Web Browser. Also Vice Versa. Developed SIP proxy in C++. Proxy Supports: External (Trunk Network) Routing. B2bUA ( Back to Back User Agent) ,for Intelligent Routing and Call Drop scenarios. Voice Media Gateway to Record Calls. Stateless / Stateful Communication. IVR (Interactive Voice Response). Tried and Tested on Major Telephony Platforms Including AVAYA , Alcatel , CISCO. Full familiarity with Csta/Tapi/Sip protocols. Developed user friendly framework in C++, to support PnP architecture , helping in Rapid application development using C++/C# for quick VoIP integration. Worked on CSTA Phase 1 Protocol for Alcatel OmniPCX Office PBX. Implemented in C# .Net. Worked on CSTA Phase 2 Protocol for Alcatel OmniPCX Enterprise PBX. Implemented in C# .Net

Hi, Thank you for posting the project. Could you pls give me more details about the stack (backend programming language and database)? Python seems to be a nice fit here. Our team set up an Asterisk solution and create a management system a few years ago, so we have some experience and definitely, we are prepared for this project. I think that my company it is a perfect fit for this project. You will not be dealing with a solo developer that can disappear in the middle of the project. We will deliver the work quick, I think this is a great opportunity to get your work done cheap, fast and with quality. Pls, let me know if you have time for a chat or maybe a call. Thanks