User's Manual

Chapter 15 VoIP
B222s User’s Guide
142
The Flash Key
Flashing m eans t o press the hook for a short period of t im e ( a few hundr ed m illiseconds) before
releasing it . On newer t elephones, t here should be a " flash" key ( but t on) t hat generates the signal
elect ronically. I f the flash key is not available, you can tap ( press and im m ediat ely release) t he
hook by hand t o achieve t he sam e effect . However, using t he flash key is pr eferred since t he t im ing
is m uch m ore precise. Wit h m anual tapping, if t he durat ion is t oo long, it m ay be interpret ed as
hanging up by the LTE Device.
You can invoke all t he supplem ent ar y services by using t he flash key.
Europe Type Supplementary Phone Services
This section describes how t o use supplem ent ary phone services wit h t he Eu r ope Type Call
Service Mode . Com m ands for supplem ent ary services ar e list ed in the table below.
Aft er pressing the flash key, if you do not issue t he sub- com m and before t he default sub- com m and
tim e-out ( 2 seconds) expires or issue an invalid sub- com m and, t he current operat ion will be
abort ed.
European Call Hold
Call hold allows you t o put a call ( A) on hold by pressing the flash key.
I f you have anot her call, press t he flash key and t hen “ 2” t o swit ch back and fort h between caller A
and B by put t ing eit her one on hold.
Press t he flash key and then “ 0” t o disconnect t he call pr esently on hold and keep the current call
on line.
Press t he flash key and then “ 1” t o disconnect t he current call and resum e the call on hold.
I f you hang up the phone but a caller is st ill on hold, t here will be a rem ind ring.
Table 57 European Flash Key Com m ands
COMMAND SUB-COMMAND DESCRIPTION
Flash Put a current call on hold t o place a second call.
Swit ch back t o the call ( if t here is no second call).
Flash 0 Drop t he call presently on hold or reject an incom ing call which is waiting
for answer.
Flash 1 Disconnect t he cur rent phone connect ion and answ er the incom ing call or
resum e wit h caller present ly on hold.
Flash 2 1. Sw it ch back and forth bet ween t wo calls.
2. Put a current call on hold to answer an incom ing call.
3. Separat e t he current t hree- way conference call int o two individual calls
( one is on-line, t he ot her is on hold).
Flash 3 Create t hree-way conference connection.
Flash * 98# Transfer t he call to another phone.