Acidus wrote:

For example, an attacker could determine that a specific website visitor “Bob” has called an embarrassing number such as an escort service. An attacker can also trick or force Bob into dialing any other telephone number without his consent such a 900-number owned by the attacker or an international number. Finally, an attacker can lock Bob’s phone forcing Bob to either make the call or hard-reset his phone resulting in possible data loss.

Told you it would mention an escort service.

Should of said:
For example, an attacker could determine that a specific website visitor “Dick” has called an embarrassing number such as an escort service.

RE: The SPI laboratory : SPI Labs advises avoiding iPhone feature