background image

 

 

 

 

 

 

 

 

Chat

Chat

Pickup 

groups

Pickup  groups

Pickup groups

P

icku

p

 

groups

Videocall

V

id

eoc

a

ll

Videocall

Videocall

Videocall

V

3-way

conferencing

y

3-way  conferencin

g

3

-w

a

y

conferenci

n

g

Communicator

Communicator

Communicator

Programmable buttons

Programmable 

buttons

Busy 

line 

field

Busy 

line 

field

Busy 

line 

field

Presence

Presence

Mobility

M

P

ar

a

le

ll ri

n

g

in

g

Paralell 

ringing

Unconditional

 

call forwarding

Unconditional 

call forwarding

Unconditional

call forwarding

V

oice

 

m

ai

l

Voice  mail

Voice

mail

V

oice m

ai

l

Receptionist

 

applicatio

n

Mobility

Calling line

identification

restriction

Calling line

identification

restriction

Calling lin

e

identificatio

n

restrictio

n

PC communicator

Mobile phone

communicator

Mobile phone 

communicator

Mobile phone

communicator

r

M

obile phone 

communica

tor

Mobile phone 

communicator

Mobile phone  communicato

r

Attendant

Attendant

Attendan

t

Attendan

t

Yealink

SIP-T38G

• 

Button 

CONF

 - starts a teleconference

• 

Button 

HOLD

 - puts a call on hold (with 

music)

• 

Button 

TRAN

 - transfer a call

3. Telephone contact list 

In the telephone a list of telephone con-
tacts has been made ready for you to 
use. This list of contacts was divided into 

Personal contacts

 and 

Business con-

tacts

. It can be edited on 

centrex.gts.cz 

portal. Business contacts: all active users 
of the company. Personal contacts: your 
own personal directory.

4. Using contact list

To open this list, you have to press the 

"Personal contacts"

 button or the 

"Business contacts"

 button (the second 

and the third of programmable buttons). 
To navigate in the list, use the up and 
down arrows and call by pressing 

OK

; for 

the fast search (name or surname), press 
numeric keys with the relevant characters.

ATTENTION: the numbers pressed will 
appear on the display but the search 
continues. 

5. Call register 

• 

You can enter the call register by pre-
ssing the context-dependent button 
on the home screen. The call register 

contains a list of 

dialled

 numbers and 

the 

received

missed

 and 

transferred

 

calls. To call numbers from the register, 
press the context-based button Call, or 
Option – Detail for detailed information. 

• 

Deletion of call registers: Press the con-
text menu History to display the regis-
ter of all calls; to display other parts of 
the history, press navigation buttons 
left or right. This will display outbound 
calls, inbound calls, missed calls or for-
warded calls. You can delete a selected 
item by pressing the context-based 
button Delete. If you wish to delete the 
entire register, press Option and Delete 
all.

6. Redial

Pressing the 

RD

 button will display a list of 

recently dialled numbers. Next pressing of 
the button will dial the last dialled number.

7. Transferring a call 

• 

Incoming call may be transferred du-
ring the call by pressing the 

"Forward"

 

button. After pressing this button it is 
necessary to enter the telephone num-
ber to which the call is to be transferred 
and after dialling this number the call 
will then be transferred by pressing the 

"Forward"

 button again. 

• 

Transferring a call without consultation 

• 

During an ongoing call, press the 

"Forward"

 button, enter the telephone 

number to which the call is to be trans-
ferred and then press the 

"Forward"

 

button again to transfer the call. 

• 

Transferring a call with consultation

• 

During an ongoing call, press the 

"Forward"

 button, enter the telepho-

ne number to which the call is to be 
transferred and then press OK to dial 
the number. Then you can talk with 
the person who has been called. To 

transfer the first call, press again the 

"Forward"

 button.

8. Adjusting volume 

The dual -/+ button is used to adjust vo-
lume. During ongoing call it can be used 
to adjust the volume of receiver, headset 
or loudspeaker; on the home screen it is 
used to adjust the ring volume. 

9. Language setting 

Telephone's language setting depends 
on the settings in the user profile on 

 

centrex.gts.cz portal

.

In the left bar select 

"Profile"

, in the 

basic setting select 

"Profile"

 and then 

select the preferred language (

"Czech"

 

or 

"English"

) and press 

OK

. The lan-

guage used on the portal will change after 
the new sign on the portal, the language 
of the telephone will change after swit-
ching the power supply  off and on. The 
language setting on 

centrex.gts.cz

 por-

tal has the priority over the language se-
tting in the telephone's menu. 

Required character

Numbers

A, B, C

2

D, E, F

3

G,H, I

4

J, K, L

5

M, N, O

6

P, Q, R, S

7

T, U, V

8

W, X, Y, Z

9

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