On Wednesday, 11 April 2018 13:49:35 CEST Do Quang Trung wrote: > Plz help me. > I want config kamailio 5.1 support tls using gost89 cipher to protect data. Hello, could you share a bit more details: - what have you already done - have you already tried to configure it - what is the exact issue that you are facing? Best regards, Henning