STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS 1 CLAUSE 2: CALL HOLD
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | Q.953.2 |
| Product Name | STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS 1 CLAUSE 2: CALL HOLD |