Tannoy C902 User Manual

25

Calling

Networks
Your phone switches automatically 
between GSM and 3G (UMTS) networks 
depending on availability. Some network 
operators allow you to switch networks 
manually.

To switch networks manually

1

From standby select 

 > 

 > 

 tab > 

> 

.

2

Select an option.

Emergency calls 
Your phone supports international 
emergency numbers, for example, 112 
and 911. These numbers can normally 
be used to make emergency calls in any 
country, with or without the SIM card 
inserted, if a 3G (UMTS) or GSM 
network is within range. 

To make an emergency call

•

From standby enter 112 (the 
international emergency number) 
and press .

To view your local emergency 
numbers

1

From standby select 

 > 

2

Scroll to 

 

 > 

Video call 
See a person on the screen during calls. 
Both parties need a subscription that 
supports the 3G (UMTS) service, and 
you need to be within range of a 3G 
(UMTS) network. 3G (UMTS) service 
is available when 

 appears.

To make a video call

1

From standby enter a phone number 
(with international country code and 
area code if applicable).

2

Select 

 > 

To use the zoom with an outgoing 
video call

•

Press  

or .

To view video call options

•

During the call, select 

.

Contacts

You can save names, phone numbers 
and personal information in 

Information can be saved in the phone 
memory or on the SIM card.

In some countries, other emergency 
numbers may also be promoted. Your 
network operator may therefore have 
saved additional local emergency 
numbers on the SIM card.