The ornamental design for an audio and videoconferenceterminal, as shown and described.
FIG. 1 is a front perspective view of an audio and video conference terminal showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged view of portion 9 of FIG. 6.
The evenly-dashed broken lines in the drawings illustrate portions of the audio and video conference terminal that form no part of the claimed design. The dash-dot broken lines in the drawings encircling portions illustrating enlargements form no part of the claimed design.