Humboldt State University owns and operates its own telephone switch, often referred to
as a PBX (Private Branch Exchange). The campus PBX is a Model MD110,
manufactured by Ericsson.
The MD110 supports two kinds of signaling; digital and analog. Digital telephones are
proprietary, and are designed to take full advantage of the rich feature set available with
the MD110.
The Ericsson digital telephones are used with the MD110 telephone switch and provide
single-key access to many of the MD110 features.
The 661 instrument offers on-hook dialing, programmable function keys, adjustable
ringer tone and volume, speaker phone, and the display feature which displays date,
time, number dialed, as well as programming information
Important Note:
Digital and Analog telephones are NOT interchangeable.
Damage may result, either to the instrument or the PBX if these telephones are
plugged into the wrong jack. If unsure, please call extension 5000 for assistance.
.
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Notes
Table of Contents
Important Numbers and Access Codes ........................................................................... 1
• When extension becomes available your phone will fast
ring for eight seconds
• Lift handset before ringing stops
• Called extension rings
Call Waiting (Page 11)
To send to busy extension
• Press
• Busy tone changes to ring
• Wait for party to answer
and wait for
Additional Features
ACCEPT SECOND CALL(ODN2)
When engaged on a call, other incoming campus calls will ring through on the alternate
access line if available and if ODN2 is set.
ADDITIONAL DIRECTORY NUMBER(ADN)
Additional extension numbers may be programmed into a function key. Calls may be
placed and received from these extensions.
HOTLINE
This feature allows you to establish an immediate non-dialed connection between two
stations. Each station requires a Hotline key dedicated to the other.
INTERCOM(ICL)
A function key may be programmed to allow individuals to be members of an intercom
group. Calls may be made to an intercom member by pressing the intercom function key
and dialing the last two digits of the intercom member’s extension.
MULTIPLE DIRECTORY NUMBER(MDN)
Function keys may be programmed to have a line appearance of another campus
extension. Calls may be placed or received from these extensions.
MULTIPLE DIRECTORY SPEED DIAL (MNS)
This feature is similar to the Multiple Directory Number, however, it will speed dial the line
it is associated to.
VOICE MAIL MESSAGE WAITING (MEW)
A key programmed with this feature will light when a voice mail message is waiting. In this
state and when the key is depressed, the system will dial the voice messaging server.
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Features
AUTOMATIC CALL BACK (On-campus calls only)
Automatic Call Back (ACB) feature allows a user calling a station that is busy, or
does not answer, to request a callback when the station becomes free. (The
user may make and/or receive calls while the Automatic Call Back feature is in
effect.) When the station marked for call back becomes available, the system will
ring the user’s extension with eight seconds of fast ringing. Lifting the handset
will place a call to the extension marked for Automatic Call Back. (The user must
pick up the handset before the ringing stops, or the call back will be canceled.)
Several Automatic Call Backs can be activated at the same time. An Automatic
Call Back cannot be initiated to an off-campus number.
To request an automatic call back
• Dial the on-campus extension, hear busy signal or no answer
• Press
• Listen for three beeps
• Hang Up
• When marked extension becomes available, there will be eight
seconds of fast ringing. Lift the handset, the extension on call back will
ring
To cancel an automatic call back
One Extension
• Lift handset
• Press
• Dial extension number
All Extensions
• Lift handset
•
Press
•Press
Function Keys
The 661 digital telephone has 26 function keys. Thirteen of these keys have fixed
functions, and the remaining 13 can be programmed for additional features.
FIXED KEYS
Access 1 Receives and places calls
Access 2 Receives and places calls
Access 3 Place calls on exclusive hold. Serves as third access to place calls
Transfer Transfer Calls
Clear Disconnect active call or operation
Speaker Activates speaker
Mute Mutes your voice to other end while other end still audible
Prog Toggle programming mode
F1 – F4 Function keys for programming the phone features
Menu Toggles menu on the bottom of the screen
Mar06 Digital 661Telephone User Guide 15
Programmable keys are designated A12 through A24 and may be set to any one of the
following:
Accept Second Call (ODN2)
Call Back (CAB) [can also use ] Call Divert (CAD) Call Pick Up
Common Hold (CUP)
Conference (CNF)
External Number Redial (ENR) Telephone Number Store (TNS) Voice Mail Message Waiting (MEW)
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Menu and Function Keys (F1 – F4)
Programmable Keys Descriptions
Toggles the menu display on and off. The displayed menu is
ENTER AUTH CODE
LOCK ACC AUTH TIME
F1 F2 F3 F4
LOCK Press F1 to lock the phone’s settings
ACC Press F2 to enter an Account code
AUTH Press F3 to exit the Authorization Code
TIMER Press F4 to start the timer function
Prompts you to enter the auth code to lock the instrument
ENTER AUTH CODE
CLEAR DEL ENTER
F1 F2 F3 F4
CLEAR Press F1 to erase the digits entered for the auth code
DEL Press F2 to erase the digits entered for the auth code
ENTER Press F4 to exit the current menu
Prompts you to enter the Account Code. This allows you to charge the call to
another extension/department.
ENTER ACCOUNT CODE
CLEAR DEL ENTER
F1 F2 F3 F4
CLEAR Press F1 to erase all the digits entered for the account code
DEL Press F2 to erase the last digit entered for the account code
ENTER Press F4 to exit the current menu
Features
INDIVIDUAL ABBREVIATED DIALING (optional feature programmed by System
Administrator)
The Individual Abbreviated Dialing (IAD) feature allows users to program a speed
dial code for frequently called numbers or features. When an IAD code is dialed,
the system automatically dials the preprogrammed number. Stations can have
up to ten individual abbreviated numbers of up to 20 digits in length.
To Program or Reprogam Numbers
• Lift the handset
• Press
• Enter one Digit (0-9) to represent dialed number
• Press
• Enter number (include access code 9 if off-campus)
• Press
• Hang up
To Dial Abbreviated Number
• Lift handset
• Press
• The system will dial automatically
To Cancel/Reprogram Abbreviated Number
• Lift the handset
• Press
• Hang Up or Follow program numbers (see above)
All Abbreviated Numbers
• Lift the handset
• Press
• Hang Up
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Features
Cancel Follow Me from
Answer Point
• Lift handset
• Press
• Dial your extension
• Press
• Listen for pulsating dial tone
• Hang up
Note: Stuttered dial tone will remind the user that calls are diverted.
SPEED REDIAL (Off-campus calls only)
This Speed Redial feature will redial the last off-campus number called.
To use speed dial
• Press
EXTERNAL NUMBER REDIAL
Like the Speed Redial feature, The External Number Redial (ENR) feature will dial an offcampus number. The difference is that you will choose the number to save.
To save a number using External Number Redial
• Dial an off-campus number
• Press the ENR function key to save the number
To use the External Number Redial function key
• Press the ENR key to dial the number
• The number will be dialed automatically
Depressing this key when dialing will recall the stored number and dial automatically
TELEPHONE NUMBER STORE (TNS)
TNS keys may be programmed to store key sequences up to 20 keystrokes.
To store number
• Press
• Press vacant TNS key
Lamp is on
• Enter the number (+ 9 if off-campus)
• Press TNS key
Lamp is off
• Press
Lamp is off
To use a stored number
• Press the TNS key
• Number is automatically dialed
Your Phone
• Lift handset at current answer point
• Press
• Listen for normal dial tone
• Hang up
Mar06 Digital 661Telephone User Guide 13
Menu and Function Keys (F1 – F4)
Enter the auth code. This feature allows you to use an auth code to override
the phones current class of service.
ENTER AUTH CODE
CLEAR DEL ENTER
F1 F2 F3 F4
CLEAR Press F1 to erase all the digits entered for the auth code
DEL Press F2 to erase the last digit entered for the auth code
ENTER Press F4 to exit the current menu
Toggle the display between the date display and the timer. The timer feature
will display the time since the timer was started by pressing F1.
START RST DATE EXIT
F1 F2 F3 F4
START Starts the timer. While running STOP is displayed in the F1
position. To stop the timer, press F1 again.
RST Press F2 to reset the timer to 0. Press F1 to start it again.
DATE Toggles display between the date and the timer function
EXIT Press F4 to exit the current menu
Mar06 Digital 661Telephone User Guide 6
Features
PLACING CALLS
To place a call
•Lift handset and dial
OR
• Dial without lifting handset (Call set up is heard through speaker. See below)
• Pickup handset to speak OR
• Listen and speak hands-free through speaker and microphone.
To receive a call or calls on other lines
• Lift handset
OR
• Press flashing key
(Call is heard through speaker. Speak to microphone.)
SPEAKER
The 661 is equipped with a speaker and microphone to permit hands-free conversations.
The lamp to the left of the speaker key indicates hands-free mode. To change from
handset to hands-free listening, press the speaker key and replace handset into cradle.
To change from hands-free to handset operation, pick up handset from cradle. Adjust
speaker volume with the sliding control above speaker key.
DIRECTED CALL PICK UP
Any call ringing into a campus extension may be picked up from another telephone. This
feature works only on extensions which have not initiated the Divert to Voice Mail when
Busy feature.
To pickup a call ringing on another line
• Dial the number of the ringing extension
• Listen for the busy tone
• Press
GROUP CALL PICK UP
Multiple extensions may be put into a common pick-up group. Calls to an extension within
the group may pick up a call ringing into another extension within the group.
To pickup a call within the pickup group
• Press
EXCLUSIVE HOLD
Calls may be placed on hold and cannot be retrieved from another telephone.
To place call on Exclusive Hold
•Press line key that received call
OR
• Press vacant line key (Access 1, Access 2 or Hold)
• Lamp will change from steady on to a slow flash
Features
The Diversion No Answer feature re-routes all incoming calls not answered within a given
interval (four to five rings) to the preprogrammed answering point. After the first diversion,
subsequent calls are diverted in two rings until a call is again placed or answered from the
extension.
To Divert No Answer
• Lift handset
• Press
• Listen for 3 beeps and then the
dial tone
• Hang up
The Diversion Busy feature diverts incoming calls placed to a busy station to a
preprogrammed answering point, e.g. voice mail.
Note: If this option is in place a caller to your extension may not use automatic call back,
nor will you be able to pick up calls on your instrument from another telephone.
To Divert Busy
• Lift handset
• Press
• Listen for 3 beeps and then the
dial tone
• Hang up
FOLLOW ME
The Follow Me feature allows a user to forward all calls to another campus extension. It is
possible to redirect and/or cancel the Follow Me from the other extension without returning
to your station.
Activate Follow Me
• Lift handset
• Press
• Dial extension where calls to
follow to
• Press
• Listen for 3 beeps and then the
dial tone
• Hang up
To Undivert No Answer
• Lift handset
• Press
Listen for dial tone
• Hang up
To Undivert Busy
• Lift handset
• Press
Listen for dial tone
• Hang up
Redirect Follow Me
• Lift handset at current answer point
• Press
• Dial your extension
• Press
• Dial the new answer point number
• Press
• Listen for dial tone
• Hang up
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Features
Distinctive Tones through the earpiece inform the user of call progress and feature
activation.
Sound Tone Indication Tone Name
Single long beep
Single short beep
Three short beeps Feature accepted and confirmed Confirmation
Pulsating dial tone
Single beep On-campus call waiting
Double beep Off-campus call waiting
CALL WAITING
Call Waiting alerts a station engaged on a call that another call is attempting to ring in.
Campus extensions can choose to send a call waiting tone to another campus extension.
Call waiting tone is automatic from off campus calls.
To Send call waiting tone
• Hear busy signal
• Press
• Busy tone changes to ring if
Call Waiting is accepted
•Wait for party to answer
CALL DIVERSION
The Call Diversion feature re-routes a station’s incoming calls to an alternate number.
There are four types of call diversion; All Calls, No Answer, Busy and Follow Me.
Preprogrammed answering points may be voice mail or to another campus extension.
Pre-programming of the answer point is done by the system administrator.
The Divert All Calls feature automatically reroutes all incoming calls to a preprogrammed
answering point.
To Divert All Calls
• Lift handset
• Press
• Listen for 3 beeps and then the
dial tone
• Hang up
Member joined conference call
Member left conference call
Message waiting OR
Phone has been diverted Diverted
To Answer Call Waiting
• Press the flashing key,
To Undivert All Calls
• Lift handset
• Press
Listen for dial tone
• Hang up
Conference
Message Waiting
Call Waiting
Features
Retrieve Call on Exclusive Hold
• Press line key
• Slow flash goes steady
COMMON HOLD
The Common Hold feature permits a user to place a party on hold. A call placed on
common hold may be picked up from another extension with the same line appearance.
With the party on the line
• Press
• Hang up
To retrieve a call on Common Hold
From your desk
• Pick up the handset
• Press flashing line to retrieve call
From another location
• Dial the extension where call placed on hold
• Listen for busy tone
• Press
Note: If you have diverted your calls to go to voice mail when you are on the telephone,
this feature will not work as directed here.
INQUIRY/CONSULTATION HOLD
The Inquiry feature allows a user to place a call on exclusive hold that cannot be picked
up by another extension. While on hold, the user can alternate between the original call
and a second call.
With the party on the line
• Press
• Dial second party
To alternate between parties
• Press
OR
•Initiate a conference call with all parties by pressing
OR
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Features
CONFERENCE
The Conference feature allows a user to initiate a conference call with up to eight parties.
After establishing a conference call, conference members may drop out or be added at
any time.
With the first party on the line
• Press
• Dial second party
After Answer
• Press
• Listen for long beep
• All parties connected
• Repeat steps to connect up to 8 parties
No Answer
• Press
TRANSFER
Transfer allows a station user to extend an active call that has been placed on hold to a
third extension. Calls may be “blind” transferred by pressing transfer before the third
extension is answered or the call may be “announced” by waiting for the third extension to
answer.
To transfer with the party on the line
• Press
• Dial second party
After answer
• Announce Call
• Press
• Hang up
INDICATOR LAMPS
Each function key has an associated Lamp.
Lamp is
On Line engaged or feature activated
Off Line available or feature is idle
Flash Incoming Call
Slow Flash Call on hold
Fast Flash Line in use by another
Indicating
Before answer If busy or no answer
• Press
• Hang up
• Press
• Press
• Returned to caller
Features
RING VOLUME
The ringer volume can be adjusted to four levels by a sliding switch located on the right
side of the instrument.
RING TONE
The ringer tone is changed using the
To change ring tone
• Press
• A digit from 0 to 9 to select the ring. A sample of the ring will be played
• Press
DISTINCTIVE RINGS
Distinctive ringing provides a unique ringing cadence which permits station users to
distinguish between different types of incoming calls. Three types of ringing signals are
provided.
Ring Signal
Single RingOn-campus call
Double RingOff-campus call
Interrupted Fast RingCall back
RING OPTIONS
Ring options can be programmed by the user to flash lamps and delay or suspend ringing
as required.
To change ring options Ring Options
• Press
• Press the line key to be
• Enter ring option
• Press line key
• Press
• Lamp is off
Indication
changed
(Lamp is on)
key and the digit keys
Silent (flashes only)
Normal Ring
Rings after delay
Two rings, continues to flash
Two rings after delay, continues to
flash
Conditional Automatic Answer
Call answered after a warning tone
Requires Auto Answer function key
Unconditional Automatic Answer
Call answered after a warning tone if
access line is free.
Mar06 Digital 661Telephone User Guide 9
Mar06 Digital 661Telephone User Guide 10
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