RFC 3966, "The tel URI for Telephone Numbers", December 2004Source of RFC: iptel (rai)
Errata ID: 202
Reported By: Alfred Hoenes
Date Reported: 2004-12-04
Verifier Name: Henning Schulzrinne
Date Verified: 2004-12-04
Section 5.1.5 says:
+1-212-555-1 would not be a valid global context, ...
It should say:
+1-212-555-01 would not be a valid global context, ...
Although tiny typo, it could possibly be distorting the meaning.