SIP Mailing Lists
sip (hosted by IETF)
This mailing list is for discussion of the base SIP protocol. To subscribe, send e-mail to sip-request@ietf.org with "subscribe" in the body of the message.
sipping (hosted by IETF)
This mailing list is for discussion of extensions and uses for the SIP protocol. To subscribe, send e-mail to sipping-request@ietf.org with "subscribe" in the body of the message.
simple (hosted by IETF)
This mailing list is for discussion related to SIP's use for instant messaging. To subscribe, send e-mail to simple-request@ietf.org with "subscribe" in the body of the message.
sip-implementors (hosted by Columbia University)
This mailing list is for exchanging questions and answers among SIP implementors. To subscribe, visit this page.