Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Sale! 
View larger
View larger More info
This Recommendation sets out principles for Administrations to follow while providing or permitting the provision of call-back practices contained in Resolution 21 of Minneapolis, 1998. Study Group 3 has decided to modify this Recommendation in adding a definition of call-back.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.30 : Switching and signalling systems |
| Number of pages | 8 |
| Replace | ITU-T D.201 (2000-04) |
| Year | 2002 |
| Document history | ITU-T D.201 (2002-12) |
| Country | International |
| Keyword | CCITT D.201;ITU-T 201;201;ITU-T D.201 |