PBX Call Assist 3 PBX Call Assist 3 Sizes: 150 × 150 / 300 × 187 / 768 × 480 / 1.024 × 640 / 1.536 × 960 / 2.048 × 1.280 / 250 × 250 / 600 × 400 / 300 × 200 / 400 × 200 / 130 × 90 / 1.200 × 500 / 300 × 300 / 600 × 375 / 100 × 100 / 300 × 300 / 600 × 375 / 100 × 100 / 2.362 × 1.476 PBX Call Assist 3
