ACC-MIB::accDialOrigSrStatus is a write-only control that manages Source Route (SR) filter table entries in the dial origination database. A network engineer uses this to enable, disable, or remove dial-up routing rules based on source-route MAC addresses (used in token ring networks). Writing 'invalid' deletes the filter table entry. Example: If you wrote 'invalid' to this OID, the device would delete the source-route filter that controlled whether traffic from a specific MAC address could trigger dialing.