
Amfeltec Voice Synchronization Tool: VoiceSync(R)
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The VoiceSync device provides DAHDI/Asterisk reliable hardware clock. 
The VoiceSync device should be registered as Master in /etc/dahdi/modules sequence.
In older versions of DAHDI/Zaptel the VoiceSync device replaces the dahdi_dummy/ztdummy kernel module.


1. Hardware installation

1.1 PCI Express
    Insert the VoiceSync device (PCI Express) into PCI Express slot located on your 
    motherboard (inside your system)

1.2 PCI
    Insert the VoiceSync device (PCI) into PCI slot located on your 
    motherboard (inside your system)

1.3 MiniPCI Express (PCI Express interface)
    Insert the VoiceSync device (miniPCI Express PCIE) into miniPCI Express slot 
    with PCI Express interface, located on your motherboard (inside your system)

1.4 MiniPCI Express (USB interface)
    Insert the VoiceSync device (miniPCI Express USB) into miniPCI Express slot 
    with USB interface, located on your motherboard (inside your system)

1.5 USB External
    Insert the VoiceSync device (USB External) into USB slot in your system.

1.6 USB Internal
    Insert the VoiceSync device (USB Internal) into USB header located on your 
    motherboard (inside your system).


2. DAHDI installation
  
2.1 Download and install Dahdi release

      * Download Dahdi-Linux and Dahdi-tools from www.asterisk.org
      * cd /usr/src
      * tar xfz dahdi-linux<ver>.tar.gz
      * cd dahdi-linux-<ver>
      * make all
      * make install
      * make config

3. VoiceSync installation

3.1 Untar release

      * tar xfz voicesync-<ver>.tgz
      * cd voicesync-<ver>
  
3.2 Compile and install VoiceSync 

	      #for DAHDI 2.10 or older
      * make DAHDI_DIR=/usr/src/dahdi-linux-<ver>
	      #for DAHDI 3.1.0
	  * make DAHDI_DIR=/usr/src/dahdi-linux
      * make install  

3.3 Install boot startup script for VoiceSync

      * make boot

3.4 Start VoiceSync using Dahdi Startup Script and confirm that VoiceSync driver is loaded

      * /etc/init.d/dahdi start  
		
		(service dahdi start)  

3.5 Confirm that VoiceSync span is registered with DAHDI as Master

      *  /etc/init.d/dahdi status

  		(service dahdi status)  

3.6 Confirm that VoiceTime Sync Tool is working
      
	 * dahdi_test
	   or
	 * dahdi_test -v -c 10
	
	The last command should give an average result of 99.9% and above







