Do You Support SIP Over TLS and SRTP for Secure VoIP Communication? CommPeak SIP Trunking FAQs / Do You Support SIP Over TLS and SRTP for Secure VoIP Communication? Answer CommPeak supports encrypted SIP signaling over TLS and encrypted media transmission via SRTP.Updated about 1 month ago Do You Support DNS SRV Record?How Can VPN Affect VoIP Calls?Ask AITable of Contents Answer