Four iPhone call tips

Got a minute? Here are four quick Iphone tips for making and receiving phone calls. Answer all calls on speaker phone by default. Open settings find general and look under the accessibility option. Look for call audio routing and tap it. Now select speaker as the option. For emergency calls on a Lux phone, swipe right to bring up the password screen. Tap Emergency and then dial the code such as 911. Some carriers like Verizon, AT&T, and Sprint support WiFi calling. Go to Settings and find Phone, then switch on the option. Does your phone live in your pocket? Find out who's calling without seeing the screen by setting a custom vibration pattern. Open a contact and tap edit, scroll to vibration and select create new vibration. Tap the screen to make a custom pattern you will recognize and save when done. In San Francisco. I'm Lexy Savvides. Cnet.com for CBS News. [MUSIC]