Interquartz ID201 door intercom system
Contents
1. t Button number memory 1 4 nn telephone number up to 16 digits to be stored Refer to the table for other choices parameter choice The number stored in parameter 2 is the number for the 0 9 0 9 second group or the number for Night mode Recall Pause 0 Note The switchover to Day Night mode remains set in the unit even after line disconnection 5 2 Relay Parameter Valve Desenpton eau Exam Exam a m meme 1 1 2_ m relay mode 1 2 mz1 relay mode relay will close on command or password for ss period used for electrical locks gate opening etc mz2 button mode activated by button press e g external bell Parameter Value Description Default External access code in hhhhhh DAY NIGHT mode External access code in hhhhhh DAY mode External access code in hhhhhh NIGHT mode hhhhhh password for relay closing from buttons 2 to 6 digits The 3 passwords are controlled by Day Night the combination is entered using the unit buttons It is influenced by the setting of Relay mode and Day Night switchover When set to 2 group mode the unit is permanently in DAY mode Follow these rules when choosing password combination Select passwords carefully to prevent their discovery from wear buttons caused by frequent use Select the first password button from infrequently used buttons for direct dial2. External access code Night Internal access code Relay closing time sec Time between 2 impulses sec Internal access code 2 impulses External access code 2 impulses Dialling type Day Night Prolong call End call Password DAY MODE switching NIGHT MODE switching Dialling mode No of rings before pick up Maximum call duration min Time between button press sec Ala hook time before new call sec Call start time sec Number of rings before hang up or group mode switching DTMF tone duration n 5 x10 Gap between DTMF tones n 5 x10 Recall duration nx100 Pause duration nx100 Number of busy tones before hahg up x 2 2 2 Frequency of tone detection y 50 150 Time of continuous tone before hang up 1 2 0 35 8 Drilling master board
3. necessary The trimmer MIC is designed alll for microphone volume setting The trimmer SPK is designed for loudspeaker volume setting The volume settings are more than adequate for most situations Therefore we do not recommend setting the trimmer position more than 12 The most suitable position is 1 3 from minimum amplification The trimmer TRH is designed for setting the microphone activation level It allows balancing between the microphone speaker to eliminate feedback This setting is also influenced by the noise of the surrounding environment Set up Process The trimmers MIC SPK are set to 14 position from minimum loudness level turn fully anti clockwise for minimum The trimmer TRH is set to a central position To fine tune make a test call Speak quietly and by adjusting the trimmer TRH from the central position anticlockwise your speech should be heard more clearly by the PBX user The amplification of the speaker can be adjusted according to your requirements Voice interruption might occur if you set the amplification too high In this case you can use the trimmer TRH to correct the balance between the speaker and the microphone 2 2 Location of ID Doorphone components All mounting control and setting elements are located under the speaker front aluminium grille SPK setting of Loudspeaker MIC setting of speaker volume micr
4. 100 Recall duration ms range 1 6 i e 100 600ms p Pause duration is determined by the formula entered number x 100 pause duration ms range 5 0 i e 500 1000ms p time is simultaneously the duration of interdigit gap at pulse dialling Parameter Vale Description pefaun Exam Exam2 x Number of busy tones 5 1 before hang up X is the number of busy tones before hang up as in the next table 59 Recall duration ms 50 Pause duration ms number of busy tones number of busy tones 4 8 4 8 6 10 6 10 Parameter Vale Descnion Detur Esam3 Eam y setting range frequency of tone detection from telephone line value is in next table y frequency range y frequency range 1 200 350Hz 7 500 650Hz 2 250 400Hz 8 550 700 2 3 300 450Hz 9 600 750Hz 4 350 500Hz 0 650 800 2 5 400 550Hz 700 850Hz 6 450 600Hz 750 900Hz Time of continuous tone Ena MEN SER before hang up z time of continuous tone before hang up Hang up on dial tone setting the time as in the next table time of continous tone 3 3sec 3 6sec 3 9sec 4 2sec 4 6sec 5 0sec time of continous tone 1 2sec 1 6sec 2 0sec 2 3sec 2 6sec 3 0sec 5 5 Presetting and Deleting Parameter Value Description Default Exam 1 Exam 2 Default setting executes 84 8 1 Sett
5. 25 TABLE FOR EASY PROGRAMMIING ccssssscsssssccssssccssssscccssscccesssscces 25 8 DRILLING MASTER BOARD eeeee eese 27 1 Basic description 1 1 Features VNN YYYY VVVVVVVVVVV VV Very slim module for surface mounting only Supplied in 1 2 or 4 button variants Voice communication powered from analogue telephone line only Pulse and tone DTMF dial Two 16 digits numbers saved under each button includes RECALL and pause DAY NIGHT mode Call prolongation by dialling or Electrical magnetic lock compatible Code to hang up from phone Code to open the door by phone 3 different passwords for code lock external code from buttons Optional number of rings before picking up incoming call Optional time between code entry button presses Optional delay time before redialling Optional time before dialling starts Optional parameters for DTMF tones Recall and Pause duration 3 default levels Programming by remote control DTMF and by direct PC connection via USB cable available separately Integrated heating of printed circuit PCB option Permanent lighting through visiting cards option Earthing outlet for better protection against static electricity Switchable audible confirmation tones 1 2 DoorPhone models Three versions are available noo ID 201 1 button ID 202 2 buttons ID 204 4 buttons 2 Installation This compact unit is fixed
6. INTERQUARTZ Doorphone ID 201 Doorphone ID 202 Doorphone ID 204 User manual Contents 1 7 BASIC DESCRIPTION 6iscsssssssisecosesessssvscsesssesesassevsicesosesevesvecesoessiessseszerseseseseseses 3 1 1 FEATURES edet oie iet toads 3 1 2 SLIMDOORPHONE MODELS eeeeeee n e e nen nene nn nnn nnn nnn nnn ne nen 4 INSTALLATION shiviri eeeces eee eT e ues aea see 4 2 1 OPENING WIRING WALL MOUNTING AND SETTINGS eene 4 2 Na mecard panel eas dan s edoceri eret 4 2 1 2 Uncover control elements cccccccccccccccsssseccccccussseseececcccususescesccessusuaeccesees 5 2 1 3 Wiring and wall mounting eese eene eene 5 Dil SWUGCKES ous Powis ectetuer 6 BABS VOICE levels ia x xc te delete deiencedeiieetui ied 7 2 2 LOCATION ID DOORPHONE COMPONENTS cccccccecccccececcceescecscscscseseeseeees 8 2 3 CHANGING NAME CARDS eese hehe nennen nenne ener eren entrer eren eren eren 9 2 4 FINAL CLOSING OF ID DOORPHONE eee emen emen e nennen nnne 9 2 4 1 Covering control elements eese 9 2 42 Replacing name card panel 9 SLIMDOORPHONE SERVICES ee eeee esee eere eese enne eese seen ae eee 10 3 1 SIGNALLING OVERVIEW ceeeeeceeeeeennn nnn enden tenere neun 10 3 2 VISITOR AT THE DOOR nece seeren 10 33 TELEPHONE CALLER eee bieten
7. assword is entered the unit will switch to programming mode and voice communication will cease e During an incoming call it is possible to restrict relay control parameter 37 This can be useful in some special applications 4 Parameter programming 4 1 Programming from a telephone by DTMF 4 1 1 Entering programming mode The SlimDoorPhone may be set to programming mode in two ways 1 by password dial the units number either extension number if connected to a PBX or telephone number if connected to a PSTN line The unit will answer you will hear the Pick up line tone see Chapter 3 1 page10 Within 10 seconds dial xxxx where xxxx is the password for entry to programming and if OK the registration tone for programming mode will sound and afterwards the Programming tone is heard see Chapter 3 1 page 10 2 by SERVICE switch dial the unit in the same way as in 1 but when the SERVICE switch is connected the unit will automatically enter programming mode You will hear the call connection confirmation tone the confirmation tone for programming mode and afterwards the Programming tone is heard see Chapter 3 1 page 10 4 1 2 Parameter programming The initial state for programming is signalled by the programming confirmation tone The unit will always revert to this state after 5 seconds of inactivity even if you have started to program a parameter When programming there are two types of parameters The ma
8. by 2 screws to the wall 2 1 Opening wiring wall mounting and settings 2 1 1 Name card panel 1 Every unit is supplied with a special key which is used to release the name cards on the front panel Push the key into the hole in the speaker grille see figure 1 2 Push the name card panel down and then push it towards to grille see figure 2 3 The panel will be released Pull it towards you to remove see figure 3 2 1 2 Uncover control elements 4 Push the aluminium speaker grille down see figure 4 2 1 3 Wiring and wall mounting 5 Use the wall mounting template at the end of the manual to mark the position for the screw holes and cable connection on the mounting surface Drill the holes 6 Feed the cable analogue line power supply lock see figure 6 through the cable hole Fix the panel to the wall using the screws and rawlplugs supplied Note Some materials such as metal and wood may require special screw types To power the unit for voice connect the telephone wires into the terminal on the right side Using either a standard analogue phone line or an analogue extension on a PBX For the external power supply connect to the terminal 12V external power supply AC min 10V max 15V or DC min 12V max 18V The energy consumption of a connected electrical magnetic lock 0 5A 1 0A determines the load on the power supply If you activate the heating feature t
9. erecto eb es iivessessvedeovbda saves susevivs usura rus 11 3 31 Outgoing Call cox ssi seg eme ere ede ete iem eae 11 3 9 2 JIncomirig call iss etes tete dede diae eee P 11 PARAMETER PROGRAMMING 4 e eee ee ee een nose etos sees essens see 12 4 1 PROGRAMMING FROM A TELEPHONE BY DTMF enm 12 4 1 1 Entering programming 12 4 1 2 12 4 2 PROGRAMMING FROM A PC ID MANAGER 13 PARAMETER DESCRIPTION eee eese ee eee oeste ense eet essensen se 14 5 1 DIRECT DIALLING MEMORIES ceeeeeeeen nennen nene nnne ener en enin nen 14 5 2 RELAY 14 5 3 BASIC PARAMETERS 16 5 4 TIME PARAMETER O ederet etre 17 5 5 PRESETTING AND 20 5 6 EXIT PROGRAMMING cccccccecesesesesesesesecececevecevevecevevscececececececececececececesesess 21 57 SYSTEM SETTING 21 5 8 OVERVIEW OF eene nennen 22 TECHNICAL PARAMETER cccccccsssssscsscsccccscsssscecsccssssssscececcccsesssscececes 24 6 1 ELECTRICAL PARAMETERS ccsssssseeeesesesesecesesesesesecececesecececececeeeeeeeceeeeeeececs 24 6 2 MECHANICAL DIMENSIONS
10. g DTMF Pulse Call Conversation end warning mN m mR 1275 Enter programming phone or PC N N N 850 Programming tone mod 850 Parameter confirmation 8 Programming from Silent Connection to line Reset BLE JE 1275 850 1275 Error 425 Empty memory HH IE Hak EH 850 1275 1700 Open lock modul 50 1250 3 2 Visitor at the door When a visitor presses a button the unit will lift up the line either immediately providing the button is not the first number from code lock or with delay parameter 53 and after period given by parameter 55 will dial the programmed phone number The dialled number is dictated by the chosen mode which is set in the unit parameter 47 Day night mode the unit is in Day mode it will always dial the number set in parameter 1 In Night mode it will always dial the number set in parameter 2 The mode switchover is set in parameters 45 46 Two Group mode on the first press the number set in parameter 1 will be dialled By pressing of the same button twice or on detection of busy tone after trying the first number the unit will select the number from the second group parameter 2 The next press of the same button again selects the number from the first group etc If the button is pressed after the line has been opened but before the call is answered the unit will hang up for the period given by parameter 54 lift up the li
11. he PCB current will climb to about 150mA We recommend power supply AC 12V 1A The wiring of relay contacts is explained in the next picture The symbol NO means contact normally open COM means sharing output central and NC means contact normally closed The relay contact is isolated from the other circuits on the board For the variants of lock connection see the picture below Wiring of standard and magnetic inverse lock 7 A special USB cable enables the doorphone to be connected to a PC for programming of individual parameters A dedicated Windows program is included on the CD requires version W98SE or higher 2 1 4 Switches 8 The switch marked HEAT see figure 8 activates heating of the PCB This is for increased resistance against humidity To use this feature you must connect an external 12V power supply 9 The switch marked SERVICE see figure 9 is required for programming the unit when the password is forgotten It is performed by ordinary phone DTMF tone dial The switch is The PCB heating has two major benefits Firstly it warms the board during winter time temperatures under 20 C most circuits have warranty operation down to 20 C and secondly it helps to protect the PCB against humidity when installed outside 2 1 5 Voice level 10 Voice communication the trimmer position is factory and should be suitable for most installations Change the trimmer position only when
12. ing per exam 1 executes 8 2 Setting per exam 2 executes This setting does not influence 1 and 2 numbers stored in memory Parameter Value Description Default Exam 1 Exam 2 group 1 Day mode 82 Deletes all numbers in group 2 Night mode 83 Default setting only for parameters 3x 84 Default setting only for parameters 4x 85 Default setting only for parameters 5x The parameters 81 and 82 will delete all numbers stored in memories for buttons The parameters 83 85 will execute a selective basic setting only for parameters starting with 3 5 ATTENTION the deletion is non reversible Numbers must be programmed again only 3 only 4 only 5 5 6 Exit programming ParameterValue Deserion porun Exam Benz Ls 1 After dialling 9 the unit will hang up 5 7 System setting Parameter Valse Description petaun Exam 1 Exam Number of fitted buttons of basic module The basic module is fitted with 4 buttons as standard i e s 1 is set up for basic module with one button and s 2 for module with 2 buttons This setting is a factory one no service can change it and so it is recommended not to change this parameter Note Connecting to the line the value of this parameter is checked and if not satisfactory for unknown reasons so it is set up to s 4 fitted with 4 buttons ATTENTION This parameter can cause the unit to function incorrectly Pa
13. jority are parameters with a fixed length The parameter is always saved immediately and is confirmed by Parameter Confirmation tone Parameters with variable length parameters 1 2 32 33 34 are saved after the inactivity period expires 5 sec However a varaible length parameter will be saved immediately when maximum permitted number of digits is reached For parameters 1 and 2 the maximum number of digits is 16 and for parameters 32 33 34 it is 6 If during programming you enter a number which is not allowable then the unit immediately emits an error tone The parameter will not be recorded or changed and the unit will return to its initial programming state and it will be possible to repeat the parameter setting or program another parameter The unit stays inactive in programming mode for 34 seconds and will then automatically hang up Every time a DTMF tone is dialled this period is reset Alternatively parameter 9 may also be selected to end programming mode To program a parameter enter the parameter number followed by the value you wish to set The unit will either respond with the Parameter Confirmation Tone or one of the Error Tones Note 1 if you wish to maintain the connection in programming mode i e extend the 34 seconds period then it is necessary to occasionally press a key e g or 7 The unit will respond with an error tone but the connection will be kept alive Note 2 The sign is not used in the values for pa
14. ling extends choice time not valid for keyboard Note The switchover to Day Night mode remains set in unit even after line disconnection Parameter Value Description Defautt Exam2 35 intemataccess code 65 55 55 aa command from phone to relay closing 2 digits It is recommended to set the same command for Internal Access Code and End Call parameter 43 aa bb Parameter vae Description Default Exam Exam ss messes o5 v os ss duration of relay closing 2 digits 01 99 Time between 2 impulses sec pp duration of delay between 2 impulses of relay 2 digits 01 99 Parameter Value Description Default Exam i Exam 2 Internal access code 2 impulses cc command from phone to relay closing 2 digits 2 impulses Parameter Value Description Default Exam External access code in DAY NIGHT mode for 2 impulses hhhhhh password for relay closing from buttons 2 to 6 digits for activation 2 impulses in DAY and NIGHT mode 5 3 Basic parameters Parameter Value Description Default Exams Exam v Dae V dial type v 0 is DTMF tone dial v 1 is pulse dial Parameter Value Description Default Exam 1 Exam 2 2 button for call prolongation 10 sec before Maximum Call Duration the unit will emit a tone Pressing this button will prolong the call Parameter valve Descri
15. lling type Prolong call End call Password DAY MODE switching NIGHT MODE switching Dialling mode Number of rings before pick up Maximum call duration Time between button presses Off hook time before new call Call start time Number of rings before hanging up or group mode switching DTMF tone duration ms Space duration between DTMF tones ms Recall duration ms Pause duration ms Number of busy tones before hang up Frequency of tone detection Time of continuous tone before hang up Number of fitted buttons on basic module Delay of line connection Siemens PBX Acoustic signalling Default setting executes executes Setting per exam 1 Setting per exam 2 executes Deletes all numbers in group 1 Day mode Deletes all numbers in group 2 Night mode Default setting only for parameters 3x Default setting only for parameters 4x Default setting only for parameters 5x 6 Technical parameters 6 1 Electrical parameters Parameter Value Conditions Minimum line current 18mA line answered Minimum line voltage 18V line hang up Voltage on line while off hook lt 20mA VA characteristics 12V 2 60 mA Leakage in hang up status lt 50uA U 60V Impedance of line termination line answered 820R pa
16. ne and dial the other group number The relay can be controlled by pressing the buttons in the combination that is set in the preprogrammed code parameters 32 34 The time between presses must not be bigger than that set in parameter 53 The unit will lift up and close the corresponding relay or the period given by parameter 36 Then it will hang up 3 3 Telephone Caller A Telephone Caller is a person that is in phone connection with SlimDoorPhone 3 3 1 Outgoing call An outgoing call is a call from the unit i e when a visitor presses a button Once the visitor has pressed a button a telephone will ring On answering the telephone you will be able to converse with the visitor 10 seconds before the maximum call duration parameter 52 the unit will emit a tone to warn that the call will end The call may be extended by pressing the key as set in parameter 42 A code may be dialled to close the relay parameter 35 releasing the lock Hanging up the telephone will end the call as will the busy tone from the PBX 3 3 2 Incoming call An incoming call is a call to the unit After dialling the PBX extension number to which the unit is connected the unit will ring for the set number of rings parameter 51 the unit will lift up and it is possible to speak The possibilities are the same as with outgoing call Chapter 3 3 1 It is also possible to switch between Day and Night service e If within the first 10 seconds the service p
17. ophone volume setting of S 1 microphone BE activation PC connector level Pp T Heating activation SlimDoorPhone fixing screw hole 12V for relay light and heating Telephone line connection 2 NC COM Microphone 2 3 Changing name cards Name card panel 2 1 10n page 4 has spaces to insert printed name cards Insert name cards from top see picture Cards can easily be printed with pictures as well as text using the included software The card outline is marked for easy cutting 2 4 Final closing of ID Doorphone 2 4 1 Covering control elements 1 Push aluminium speaker cover back up see picture Take care when re covering the speaker The aluminium edge of the speaker may be gently pressed if required 2 4 2 Replacing name card panel 2 Push key into hole in speaker grile as far as possible see figure 2 3 Push name card panel upwards and push the bottom edge in see figure 3 4 Push the name card panel back down behind the lip of the casing see figure 4 3 Doorphone Services 3 1 Signalling Overview The unit signals acoustic conditions that may occur during operation You can listen to the signalling samples in the ID Manager program Condition Tones Tone frequency Pick up line ago 425 850 1275 Hang up line ae 1275 850 425 Confirm command 425 Diallin
18. ption oorau Esam3 Exam m ma s 5 5 bb command for unit hanging up from phone 2 digits It is recommended to set the same command for both Internal Access Code parameter 35 and End Call aazbb Parameter valve Description Default Exams Exam Oa 0000 0000 0000 XXXX service password for entry to programming Parameter Value Description Default_ Exam t Exam 2 45 dd pavMoneswiching n d no 4e nn NIGHT MODE switching 10 10 10 dd command for DAY MODE switching 2 digits nn command for NIGHT MODE switching 2 digits Note The switchover to Day Night mode remains set in unit even after line disconnection Parameter Value Description Default Exam Exam e ome 1 1 0 e operating mode of unit e 0 selects 2 Group mode e 1 selects Day Night mode 5 4 Time parameters eee ee ee eee Number of rings before pick up Number of incoming call rings before a call is picked up The number can be set from 1 to 9 Parameter valve Desorption eam d maximum time in minutes for which a call may last This time can be extended during a call by dialling Prolong Call digit from telephone 4 Time setting is per table choice Parameter valve Description Detaut_ Exam presses w max time sec between button presses range 1 9 rela
19. ral 220n Bandwidth 300Hz 3400 Hz 20 60mA Impedance of ringing 2Kohm 25 60 Hz Sensitivity of ringing detector min 10 25 V Pulse choice 40 60 ms Tone choice level 4 6dB 20 60 mA Tone choice sensitivity 40 dB 20 60 mA Sensitivity of tone detector 30 dB 20 60 mA Power supply of lighting through 12V 2V 10 12V 2V switches and heating Max consumption of lighting through and heating PROMA TaN Max voltage of switch contact 48V atl lt 1A Max current of switch contact 2A atU 30V Operational temperature 20 to 50C 6 2 Mechanical dimensions Dimensions WxHxD 104mm x 153mm x 16mm Weight 360g Unit material elox aluminium profile Name card panel material acrylglas plexiglass 7 Table for easy programming Complete the values you want to program in the empty part of table on the next page All programming commands are located in the double framed area to simplify programming Retain a copy for future reference Use Programming sequence Description Detail par Fill values digits Number under button 1 Day Gr 1 16 Number under button 2 Day Gr 1 16 Number under button 3 Day Gr 1 16 Number under button 4 Day Gr 1 16 Number under button 1 Night Gr 2 16 Number under button 2 Night Gr 2 16 Number under button 3 Night Gr 2 16 Number under button 4 Night Gr 2 16 Relay mode m 1 4 External access code Day Night External access code Day
20. rameters 32 33 and 34 and can be used to immediately save the parameter 4 2 Programming from a PC ID Manager program To setup the unit from a PC you will require a special USB tool cable available separately and must first install the USB driver and ID Manager software Refer to the CD for more details The unit must also be connected to the telephone line Procedure Connect the ID Doorphone to the line Connect the unit to the PC with the USB tool cable Run the ID Manager program The unit will enter PC programming mode and emit the Enter Programming tone see chapter 3 1 If connection is lost it is necessary to disconnect the USB cable from unit and connect it again The unit will answer and providing the ID Manager program is running it will confirm its entry into programming mode again Refer to the ID Manager manual for more details USB PC connection USB tool Small connector 5 Parameter description 5 1 Direct Dialling Memories Parameter value Desorption Dstmuk Esami Eam uw Nemwdwbmot 1 t Button number memory 1 4 nn telephone number up to 16 digits to be stored Refer to the table for other choices parameter dial The number stored in parameter 1 is the number for the 0 9 0 9 first group or the number for Day mode Recall Pause 0 Parameter Vale Desorption Detaul Exam Eam tan
21. rametr aue Descnion oorun Esam3 Eam In default the unit produces acoustic signals It can occasionally cause a problem of incorrect detection of tones by PBX By changing parameter 2 you can switch off this acoustic signalization The values are z 0 all signalling is switched off 2 1 pick up and hang up tones are active only z 2 other tones active only except pick up and hang up z 3 all tones are active default It is possible to generate an audible signal only in mode m 1 to alert visitors that the door is unlocked so that they can enter This is especially useful when using a DC power source as lock release may be silent z 8 signalling is active 2 9 signalling is unactive Delay of line connection Siemens PBX Setes a delay for line pick up OFF HOOK for new PBX types particularly Siemens t 1 standard operation t 0 delayed start 5 8 Overview of Parameters Parameter Value Description Default Exam 1 tnn No nn under button t tnn No nn under button t r Relay mode External access code in hhhhhh DAY NIGHT mode External access code in hhhhhh DAY mode External access code in hhhhhh NIGHT mode Internal access code 1 impulse aa ss Relay closing time pp Time between 2 impulses cc Internal access code 2 impulses hhhhhh External access code in DAY NIGHT mode for 2 impulses Dia
22. y closing if time between two next presses is bigger than w time the code is not evaluated correctly dialling if the button pressed is the first password number for switch closing so the choice is delayed by this w time 54 Off hook time before new call z time sec for which the unit will hang up before repeat dialling button pressing during call or dialling busy tone detection range 1 5 Parameter Value Description Eram 2 cmm 1 1 z time sec after unit goes off hook before dialling range 1 5 This time is different for each PBX but most PBXs usually manage to process dialling up to 2 seconds after line off hook Parameter Value Deserpion porun Exam Benz Number of rings before hanging up or group mode 12 12 12 switching specifies the amount of time spent ringing before the unit hangs up and tries the next number Parameter Value Description Default Exam 1 Exam 2 5 5 5 100ms 100ms 100ms 58 m Space duration between 5 57 t DTMF tone duration ms DTMF tones ms 100ms 1 100ms 8 800ms t DTMF tone duration is determined by the formula entered number 5 x 10 tone duration ms range 1 0 i e 60 150ms m Space duration between DTMF tones is determined by the formula entered number 5 x 10 gap duration ms range 1 0 i e 60 150ms f Recall duration is determined by the formula entered number x
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