TIA 777 : A2003(R2016)
Current
The latest, up-to-date edition.
TELECOMMUNICATIONS TELEPHONE TERMINAL EQUIPMENT CALLER IDENTITY AND VISUAL MESSAGE WAITING INDICATOR EQUIPMENT PERFORMANCE REQUIREMENTS
12-01-2013
Specifies the technical issues associated with Type 1, Type 2, and Type 2.5 Customer Premises Equipment for services such as Calling Identity Delivery, Visual Message Waiting Indicator, Calling Identity Delivery on Call Waiting and Call Waiting Deluxe.
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