Coral Telecom is a designer manufacturer of PABX systems and we use Freeswitch as our core. Require support in running / activation of 256 AES encrypted VoIP calls. This is just an implementation support for setting up SSL certificates and activation of TLS / Zrtp on Frew switch… (Budget: ?1500 – ?12500 INR, Jobs: Asterisk PBX, Cisco, FreeSwitch, Java, Linux, OpenSSL, Telecoms Engineering, VoIP)