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 14 days ago Do You Support DNS SRV Record?How Can VPN Affect VoIP Calls?Ask AITable of Contents Answer