from yealink_manager import YealinkController
    import time
    # Program parameters
    username = 'admin'
    password = 'admin'
    phone_ip = '192.168.1.10'
    try:
        yl = YealinkController(username, password, phone_ip)
        yl.set_line(1)
        yl.get_status()
        yl.dial('1234')
        yl.screenshot()
        time.sleep(5)
        yl.hangup()
        yl.screenshot()
    except Exception as e:
        print(e)