ITU-T Recommendation database

Search by number:

Others:

Study Groups tree view

ITU-T E.123 (02/2001)

Notation for national and international telephone numbers, e-mail addresses and web addresses

This Recommendation applies specifically to the printing of national and international telephone numbers, electronic mail addresses and Web addresses on letterheads, business cards, bills, etc. Regard has been given to the printing of existing telephone directories. The standard notation for printing telephone numbers, E-mail addresses and Web addresses helps to reduce difficulties and errors, since this address information must be entered exactly to be effective.

Citation:	https://handle.itu.int/11.1002/1000/5341
Approval date:	2001-02-02
Approval process:	TAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 16
Further details:	Patent statement(s) Development history

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
6.1	E.123 (2001) Amd. 1 (05/2008)	In force	-	-	here
6.0	E.123 (2001) Erratum 1 (05/2008)	In force	-	-	here
6	E.123 (02/2001)	In force	here	here	here
6.0	E.123 (2001) Erratum 2 (06/2022)	In force	-	-	here
5	E.123 (11/1988)	Superseded	-	-	here
4	E.123 (10/1984)	Superseded	-	-	Not available
3	E.123 (11/1980)	Superseded	-	-	Not available
2	E.162 (10/1976)	Superseded	-	-	Not available
1	E.162 (12/1972)	Superseded	-	-	Not available


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
E Suppl. 11 (06/2020)	Criteria for M2M/IoT-related assignments under Recommendation ITU-T E.164.1 and Recommendation ITU-T E.212 Annex A	In force	here	here	here
E-100 series Suppl. 1 (02/2019)	ITU-T E.100 series – Framework of disaster management for disaster relief system	In force	here	here	here

Title	Approved on	Download
Identify call location for emergency service	2020	here
TR.TRAFGR - Technical Report on analysis of F.930	2020	here

Committed to connecting the world

ITU-T Recommendations

ITU-T E.123 (02/2001)