Specifications

86 Glossary
Message handle
The identifier of a particular DECvoice message. Applications use the
message handle to access and reference a particular message. The
message handle contains specific information about a message including
the message size (in bytes), length (in milliseconds), endcoding algorithm,
reference count, language, RTL version number, creation date, and date of
last modification.
North American Telephone Line Interface
A telephone network interface designed for use in North America.
Offhook
A telephonic condition that signals that the telephone is currently off the
hook.
Onhook
A telephonic condition that signals that the telephone is currently on the
hook.
Protocol
A basic procedure, or set of rules, that governs and controls the flow
of messages between computers. Also, a set of conventions between
communicating processes regarding the format and content of messages to
be exchanged.
Pulse dialing
The kind of dialing that a rotary telephone creates. The telephone digits
are pulsed at a rate of 10 pulses per second.
Q-bus interface
An interface used to control communication between the DECvoice DTC04
module and the host system.
Real time
Pertaining to computer actions controlled by external conditions and
actual times.
Run
A single continuous execution of a program. To execute a program.
Run-Time Library (RTL)
A software component of the DECvoice system.