| 000 | 00325 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Recommendation Q.785 : _bISUP Protocol Test Specification for Supplementary Services : Specifications of Signalling System No.7 / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1991. |
||
| 300 |
_a49 s.; _c30 cm. |
||
| 999 |
_c8786 _d8786 |
||