RFC Errata
RFC 3891, "The Session Initiation Protocol (SIP) "Replaces" Header", September 2004
Source of RFC: sip (rai)See Also: RFC 3891 w/ inline errata
Errata ID: 7141
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Aaron Brumpton
Date Reported: 2022-09-28
Verifier Name: RFC Editor
Date Verified: 2022-09-29
Section section-7.1 says:
SIP/2.0 180 Ringing
To: <sip:bob@example.org>;tag=6472
From: <sip:alice@example.org>;tag=7743
Call-ID: 425928@phone.example.org
CSeq: 1 INVITE
Contact: <sip:bob@bobster.example.org>
Message *3: Bob in lab -> Alice
INVITE sip:alice@phone.example.org
To: <sip:alice@example.org>
From: <sip:bob@example.org>;tag=8983
Call-ID: 09870@labpc.example.org
CSeq: 1 INVITE
Contact: <sip:bob@labpc.example.org>
Replaces: 425928@phone.example.org
;to-tag=7743;from-tag=6472;early-only
It should say:
SIP/2.0 180 Ringing
To: <sip:bob@example.org>;tag=6472
From: <sip:alice@example.org>;tag=7743
Call-ID: 425928@phone.example.org
CSeq: 1 INVITE
Contact: <sip:bob@bobster.example.org>
Message *3: Bob in lab -> Alice
INVITE sip:alice@phone.example.org
To: <sip:alice@example.org>
From: <sip:bob@example.org>;tag=8983
Call-ID: 09870@labpc.example.org
CSeq: 1 INVITE
Contact: <sip:bob@labpc.example.org>
Replaces: 425928@phone.example.org
;to-tag=6472;from-tag=7743;early-only
Notes:
The To and From tags are mismatched in the Replaces header
