Merlin 3070 Service And Maintenance Manual page 65

TROUBLE ON ONE TELEPHONE
Miscellaneous Symptoms
Outside lines added to the system do not appear at the attendant position
Outside lines taken away from the system still appear at the attendant position
A voice terminal or voice terminal accessory suddenly fails
NOTE: Use this section only if you have isolated the problem to one voice terminal or
telephone (in other words, it is not a systemwide problem).
A7-3
A7-3
A7-4
A7-1