Who can redevelop a GUI for our Telecom System?

Hi, i have lots of experience in VOIP and freeswitch. I offer my services for your project. I assure you of a high quality professional service. We can chat details.

Last but not least, I believe in quality oriented work rather than quantity oriented work. I will make your project successful as per the market trends with not only my development expertise but also with my consultative skills. If you want to collaborate with me lets discuss it in more details over chat. Looking further to make a long-term business relationship Best, Sajal

I'm development in voip area. I have experience with asterisk, freeswitch and opensips. I also have experience in comunication of these application in others systems. Using language like: php, shell script, javascript and others. I hope we can talk about your project.

I am having 7 years of experience in PHP Relevant Skills and Experience Php Joomla java developer

Hello I've 10+ years of experience in Asterisk,OpenSips,Kamailio,VoIP,SIP,IAX,H.323 protocols. Very well experienced in implementing TLS,SRTP,NAT for SIP protocol.