Knowledge Base Article #ETM508
ETM® System v5.1 Update 9 remedies the possibility of T1 channels going
into “lockout” after an appliance restart and also includes all changes from Updates
1-8. It is an update to v5.1 of the ETM System that will apply to some customers
using T1 trunks. See the attached PDF for more information.
Click Download for more Details: