[SIP]
title=SIP
description=Session Initiation Protocol, unencrypted, using nf_conntrack_sip module
ports=5060/tcp
categories=Network;Telephony;
modules=nf_conntrack_sip;nf_nat_sip;
reference=[http://en.wikipedia.org/wiki/Session_Initiation_Protocol Wikipedia: Session Initiation Protocol]
reference=[http://wiki.freeswitch.org/wiki/Firewall FreeSWITCH Wiki: Firewall]

[SIP TLS]
title=SIP TLS
description=Session Initiation Protocol with TLS encryption
ports=5061/tcp
categories=Network;Telephony;
reference=[http://en.wikipedia.org/wiki/Session_Initiation_Protocol Wikipedia: Session Initiation Protocol]