ÖNORM EN 301140-3-2 V 1.1.3:2000-09
Действует
Intelligent Network (IN) - Intelligent Network Application Protocol (INAP) - Capability Set 2 (CS2) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for Service Switching Function (SSF) - Sub-part 2: Call Party Handling (CPH)
