| OID | 1.3.6.1.4.1.52642.9.63.1.2.1.1 |
| Module | NMS-IF-MIB (FS) |
| Nom | ifIndex |
| Acces | readonly |
| Status | current |
| Description | A unique value for each voice interface. Its value ranges between 1 and the value of vifNumber. The value for each voice interface must remain constant at least from one re-initialization of the entity's network management system to the next re- initialization. |
| Syntaxe | Integer32 |