SIP Core Working Group

The Session Initiation Protocol Core (SIPCore) working group is chartered to maintain and continue the development of the core SIP specifications, currently defined as proposed standard RFCs 3261, 3262, 3263, 3264, and 6665.

To contact the list owners, use the following email address:


IETF Mailarchive

Subscription / Unsubscription

To subscribe or unsubscribe from this list, please sign in first. If you have not previously signed in, you may need to set up an account with the appropriate email address.

Sign In

You can also subscribe without creating an account. If you wish to do so, please use the form below.