Copyright 2010-2017 Obihai Technology, Inc.
72
Call Features
Phone Level and Line Level Feature
A call feature may be classified as a
Phone Level Feature
or a
Line Level
Feature, or simply referred to as a Phone and
Line Feature respectively. A phone feature applies to all calls on the phone regardless which line a call is on. Call
Waiting is an example of a phone feature. A line feature on the other hand applies only to calls on the specific line. BLF
is an example of a line feature. Some features may have a version for use as a phone feature as well as a line feature
that can be used on individual lines. For example, Do Not Disturb can be implemented as a phone feature for all calls
and also as a line feature for each of the SP services (SP1-SP6), OBiTALK and OBiBluetooth services.
Call States
As a call progresses from beginning to end, it goes through a number of defined stages commonly known as Call States
or States. The following call states are defined for calls on an OBi1000 phone:
Call State
Description
Available Operations
Icon
LED Pattern
Dialtone
Dial tone played to prompt the user
to enter the target number to call
End
Steady green
Dialing
The user is entering a target number
to call
End
Steady green
Trying
Trying to call the dialed number but
the called party has not started
ringing yet
End
Steady green
Peer Ringing
The called party is ringing
End
Fast blinking green
Ringing
An incoming call is ringing the phone
Reject, Answer
Fast blinking red
Connected
Connected on a call and both sides
are talking
End, Hold, Transfer,
Blind Transfer
Steady green
Connected-S
Connected securely (using SRTP) on
a call and both sides are talking
End, Hold, Transfer,
Blind Transfer
Steady green
Connected-HD
Same as Connected when a wide-
band audio codec is in use
End, Hold, Transfer,
Blind Transfer
Steady green
Connected-HDS
Same as Connected-S when a wide-
band audio codec is in use
End, Hold, Transfer,
Blind Transfer
Steady green
Holding
User has placed the call on hold
End, Resume, Add to
Conf., Transfer, Blind
Transfer
Slow blinking red
Ended
Call failed due to various reasons,
such as invalid number, service not
available, called party busy, etc.
End (i.e. Remove the
Call)
Slow blinking green
