Building ISTP

Hi ,I am Gang ,software developer in China. I am a certificated freelancer with over 700 good reviews from my clients. I never disappoint my clients and I’m able to lead your project to success . Relevant Skills and Experience Asterisk PBX, FreeSwitch, Linux ,Voip, QT, c/c++/c# Proposed Milestones $5154 USD - step by step You can make sure I am a proper dev you are looking for via interview..

NetworkLab is experts VoIP infrastructures design and deployments. Our reach experience will help achieve you goals and complete the project in optimal and professional manner. Relevant Skills and Experience Network design. VoIP networks architecture. Opensips. Freeswitch Asterisk Proposed Milestones $500 USD - Intial planning $1200 USD - Network deployment $1000 USD - Post deployment support Please provide clear list requirement.

i am skilled engineer , i can give you a plan for the job if you want and then we can start thank you Expérience et Compétences appropriées linux, asterisk,voip , a2billing Étapes proposées $2500 USD - 1

I have built several itsps from the ground up. They range in size from a small satellite-based carrier with 200 phones to a CLEC sized system with several thousand users moving several million minutes a month. I can work with you spec out servers, build and install operating systems, build applications, and get everything going to the point your first customer makes their first call.

Hi, we have reviewed your project requirements but would need more detailed requirements. Relevant Skills and Experience We have expertise in VOIP apps development and we can share our work history with you in chat. Proposed Milestones $2500 USD - Project milestone.

As i read your job description , i understood that you want to be expert guy for your job and i am presenting myself the est for you please contact me asap so that i can provide you best service. Relevant Skills and Experience Asterisk PBX, FreeSwitch, Linux, VoIP Proposed Milestones $2500 USD - You can release the milestone when all work is done

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++. Relevant Skills and Experience To Link PBX Vendors like Alcatel, Avaya, Cisco and Traditional SIP Platforms with New Web Media Technology. Call from SIP Soft Phone and receive on Web Browser. Also Vice Versa. Proposed Milestones $2500 USD - VOIP What is the required time frame ? do you like to use third party libraries and licensing?