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37 Sherwood Terrace, Suite 111 

Lake Bluff, IL 60044 U.S.A. 

Tel 847-604-9256  

www.digitalacoustics.com

 

 
 

 

IP7-MZC-FD Application Guide 

 
The IP7-MZC-FD Multi-Zone Controller

 

is a network audio endpoint that provides the ability for a 

central station call center to to communicate with up to forty-eight zones of microphones and speakers 
(full-duplex) through a single IP audio connection. It also includes the ability to add an analog telephone 
that can be used for private audio conversations with the call center over the IP connection.  Any 
combination of microphone and/or speaker zones can be turned on and off by the call center operator 
either through custom applications or via a SIP based phone system.   
 
This Application Guide presents some of the ways customers can integrate the IP7-MZC-FD into their 
Alarm Monitoring system (which may have additional information on each of the zones the IP7-MZC-FD 
is monitoring). 

IP7-MZC-FD Configuration Options 

Using the TalkMaster FOCUS Administrator Console, select the 

IP Endpoints → Configuration

 tab. 

The IP7-MZC-FD can be configured as a 

TalkMaster Client

, a 

SIP Client

 or a hybrid 

TalkMaster/SIP 

client

. The 

TalkMaster FOCUS .NET Console SDK 

can be used to develop custom applications if the 

IP7-MZC-FD is configured as a TalkMaster Client or hybrid TalkMaster/SIP client.  DTMF commands 
can be used to control it if configured as a SIP Client. 
 
The IP7-MZC-FD supports up to 48 full duplex audio zones created by attaching 1 or more IP7-ZX4L 
expansion boards (each IP7-ZX4L adds four speaker/microphone zones).  The IP7-MZC-FD detects 
the number of IP7-ZX4L’s attached at startup and calculates the number of available zones.  
 
The IP7-MZC-FD includes: 

● An onboard speaker and a switch to enable it (used for testing) 
● An onboard microphone and a switch to enable it (used for testing) 
● An RJ-11 connector for an analog telephone 

 
Audio between the Call Center and the IP7-MZC-FD is always available to the onboard speaker and 
microphone (if enabled by the switches) and to the analog telephone if it’s handset is taken off-hook.  A 
command must be received from the central station in order to turn on or off zones on the attached 
IP7-ZX4L zone boards.   
 
The IP7-ZX4L Expansion boards include: 

● Four 1 watt speaker terminals  
● Four analog speaker volume controls 
● Four 12V powered Line Level Microphone terminals (2-wire or 3-wire) 
● Four analog microphone sensitivity controls 

Page 1 of 7 

Summary of Contents for IP7-MZC-FD

Page 1: ...P Client or a hybrid TalkMaster SIP client The TalkMaster FOCUS NET Console SDK can be used to develop custom applications if the IP7 MZC FD is configured as a TalkMaster Client or hybrid TalkMaster SIP client DTMF commands can be used to control it if configured as a SIP Client The IP7 MZC FD supports up to 48 full duplex audio zones created by attaching 1 or more IP7 ZX4L expansion boards each I...

Page 2: ...he handset of the analog telephone and or Talk switch can Do nothing Send an Off Hook event that can be processed using the NET SDK Signal an Incoming Call to TalkMaster Dial a SIP extension If an analog handset is attached and the configuration option IP Endpoints ZC Zone Controller has handset has been set the Off Hook Activates PTT option affects the operation of picking up the analog telephone...

Page 3: ... can have up to 48 zones of microphones and or speakers which can be programmatically activated in any combination For convenience the device can be configured with up to eight Zone Groups that specify a set of pre defined microphone and speaker zones Additionally Zone Group 0 turns off all zones and Zone Group 9 turns on all zones The Zone Groups are defined using configuration option IP Endpoint...

Page 4: ...ll Automatic detection of the analog Handset initiating a call or going Off Hook during a call Selection of a pre defined Zone Group or the Handset Full Duplex Audio with the ability to mute the Console s microphone Sending a pre recorded audio file to the Active Zone s Activating the IP7 MZC FD s onboard double pole double throw relay This option does not provide any integration with a custom cen...

Page 5: ...ZC FD Monitor the On Hook Off Hook status of the attached analog phone Detect incoming TalkMaster calls Initiate outgoing TalkMaster calls Initiate outgoing SIP calls Hang Up a SIP call Turn on off individual speakers and or microphones in each audio zone Turn on off pre defined audio Zone Groups Send Receive live audio Send pre recorded audio Activate the IP7 MZC FD s onboard double pole double t...

Page 6: ...d as a hex nibble or four bits to indicate the audio path that needs to be activated So 0001 1 1st mic or speaker 0010 2 2nd mic or speaker 0100 4 3rd mic or speaker 1000 8 4th mic or speaker The bits are added together resulting in a digit with value of 0 F If the resulting value is equal to 10 hex A substitute an A keypress If the resulting value is equal to 11 hex B substitute a B keypress If t...

Page 7: ...cs com To activate all of the speakers and or microphones in a Zone Group a followed by a single numeric digit indicates The Zone Group 1 8 to activate 0 is reserved for Turning off all Zones 9 is reserved for Turning on all Zones For additional details contact Digital Acoustics Technical Support Page 7 of 7 ...

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