Ericsson 250 manual Malicious Call

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ISDN FACILITIES

MALICIOUS CALL

IDENTIFICATION If you are disturbed by malicious external incoming calls, you can request a number tracing from the network provider.

If you cannot see the number of the caller or connected party (because of an activated number suppression), you have the possibility to register the number in the public network during the call.

Malicious call id.Press to register the connected number (pre-programmed)

Press to register the connected number

If the function is accepted in the public net, your display shows the following information.

MCID ACCEPTED
DISPLAY REST	S

If you cannot identify the connected party, your display shows the following information.

MCID REJECTED
DISPLAY REST	S

After 3 seconds the display will return to the previous display.

52	BusinessPhone 250 / BusinessPhone 50
	Standard Telephone / Economyplus Telephone

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Contents Forvh Quick Reference Guide Important Numbers Businessphone 250 / Businessphone Press the key 2nd Then press the combined key Message/Info Table of Contents Display Standard telephone only DescriptionDescription 2ndDual-function programmable key C / Headset key Volume controlDescription Dual-function programmable keys A-D Transfer / DiversionIncoming Calls Incoming Calls GeneralAnswer Calls Press to activate / deactive Free on 2nd access Pre-programmedMake Calls Outgoing CallsOutgoing Calls Last ExternalSave External Number Automatic CALL-BACKPress to camp on Busy ExtensionCamp-on IntrusionGroup Listening During CallsDuring Calls General From Handset To HandsfreeMute InquiryRefer Back Transfer Transfer to a busy ExtensionCall-back Conference Press the line keyPress again to retake the parked call Press to pick up on own extension Common HoldPress pre-programmed Call the extension that put the call on hold PressPress to cancel diversion Call ForwardingCall Forwarding Program Fixed Diversion Address Press and dial the new directory numberFollow ME Bypass Call Follow ME Cancel Follow meDial your number Press Dial Enter extension number PressInformation InformationPress Enter Information Pre-defined texts Enter ÓCodeÓ Enter ÓCompleting infoÓPress to enter the information Erase Information Save Information Receive Info for Diverted Calls Send Message Internal MessagesInternal Messages Press Press to send VoicePress to receive a message Individual Mailbox System Mailbox SystemMailbox System ActivatePress to retrieve a message Individual Mailbox System Deactivate 2nd PressRetrieve messages Internally Retrieve messages ExternallyCommon Mailbox System Dial the common mailbox numberEnter the information Common Mailbox System Retrieve messages ExternallyPersonal Activate diversion to the mailbox systemAbbreviated Numbers Abbreviated Numbers GeneralCommon Abbreviated Numbers DIAL-BY-NAME Press to make a call pre-programmedIndividual Abbreviated Numbers VIA a Program individualIndividual Abbreviated Numbers VIA Press and dial the abbreviated numberCost Indication Call MeteringCall Metering General Cost Last CallGroup Facilities Group Facilities GeneralKEY System Supervision Telephone Attendance Pick UP Group HuntingGroup Call Dial the group call pick up codeAnswer paging LoudspeakerPress again and hold the key pre-programmed Press pre-programmedReminder Other Useful FacilitiesOther Useful Dial reminder time and pressBackground Press to cancel the musicEnter account number Press to activate the music pre-programmedIntercom Line TandemTransferring a call Cancel immediate AnswerPress to log off the slave telephone A tandem unitDirect Inward System Access AutomatedDial the Automated Attendant directory number Opening DoorphoneAnswering door Phone calls Dial the door-opener«s directory numberBlock Extension SecuritySecurity SelectBypass Blocked Bypass own extension Dial Dial your personal code and pressBypass another Least Cost Least Cost RoutingLeast Cost Routing Calling least costNumber Identification Isdn FacilitiesIsdn Facilities General Number SecrecyAnswer AN Incoming Call from AN ISDN-LINE Make AN External Call on AN ISDN-LINE Establish an external call in the normal wayMalicious Call Retrieve calls Press to scroll through the listErase calls from Caller list Isdn Caller ListPress to return to the previous display Press to erase the selected callOption Unit Optional EquipmentOptional Equipment General Extra HandsetHeadset Activate/Deactivate the headsetMake calls Headset to handset Handset to headset Alarm Handsfree to headsetProgramming ProgrammingProgram a Function Select ringing character Function Codes Required Data Programming Display Info Display InfoDisplay Info General Status informationVisible Signals Visible SignalsLamp Indications Ringing Signal Audible AdjustmentsAudible Adjustments Handset LoudspeakerRinging volume Press Press to finish the procedure Ringing characterTones and Signals Glossary GlossaryGlossary IsdnInstallation Install Stand Install CablesChange cables Adjust Telephone CleaningPlacing Telephone Useful Hints Connections BetweenIndex Answer an incoming callIntercom line Messages Communication is our business

250, 50 specifications

The Ericsson 50,250 is a cutting-edge solution designed to address the growing demands for telecommunication infrastructure in today's digital landscape. This innovative product is part of Ericsson's commitment to providing robust and efficient networks that enable seamless connectivity for users worldwide.

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