Call

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 16 16"
>
    <linearGradient
        id="a"
        x1="3.635"
        x2="12.364"
        y1="5.245"
        y2="13.974"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#87f1fc" />
        <stop offset=".256" stop-color="#7fd4fb" />
        <stop offset=".529" stop-color="#78bcfb" />
        <stop offset=".784" stop-color="#74aefa" />
        <stop offset="1" stop-color="#73a9fa" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M15.5 9.01a4.246 4.246 0 0 1-.14 1.12c-.75 2.84-4.35 4.37-7.36 4.37S1.39 12.97.64 10.13A4.246 4.246 0 0 1 .5 9.01 1.503 1.503 0 0 1 1.98 7.5h1.86A1.55 1.55 0 0 1 5.55 9v.46a.495.495 0 0 0 .24.43A4.35 4.35 0 0 0 8 10.5a4.483 4.483 0 0 0 2.19-.59.538.538 0 0 0 .26-.45V9a1.487 1.487 0 0 1 1.48-1.5h2.08a1.504 1.504 0 0 1 1.49 1.51zM6.354 4.353 7.5 3.207V7a.5.5 0 0 0 1 0V3.207l1.147 1.147a.5.5 0 0 0 .706-.707l-1.999-2a.502.502 0 0 0-.708 0l-2 2a.5.5 0 0 0 .708.707z"
    />
</svg>