Waterproof Radio Depth Ratings
Here is a graph showing the depth/time characteristics of the Vertex IP57 rated waterproof radios.
It shows the relationship between the immersion depth and how long the water-tight seals will last at that depth.
(Telus Mobility) Voicemail Tips 101

- to stop the system from asking for a password when calling from the cellular phone of the voicemail box . . .
-- after entering voicemail, press, 4, 2, 1, 3

- to always have new messages played automatically upon entering voicemail . . .
-- after entering voicemail, press, 4, 2, 4
In-Vehicle Wireless Boosters
Here is a graph showing the results of what an in-vehicle 3 watt "wireless booster" actually amplifies.
As can be seen, when working properly, the actual performance is quite different from what is implied in the slick sheets.