Iridium 9500 User Manual

Using In-Call Features

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This feature only applies to CDMA/AMPS cellular 
users.

Many CDMA/AMPS network features (for example, 
Call Waiting, Call Holding, Call Forwarding) require 
you to send a “flash” over the air during a call to 
access them. This is similar to when you press the 
switch hook on your conventional phone in your 
home or office to switch between calls. The flash 
alerts the network that you want to use a particular 
network feature. Your service provider will provide 
you with the appropriate codes to send with the 
flash for the features to which you have subscribed.

To send a phone flash:

 

M

 while you are in a call. You will see 

Flash Options 

followed by

 Select?

 

O

. You will see 

Send Flash?

 for the feature you 

want to access, if necessary, and then

 

O

 to send the flash.

 

C

 to cancel the flash.

This feature only applies to CDMA/AMPS cellular 
users.