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V-Tap VoIP Manual EN v2.7 Oct 2018        © 2017-2018 Vidicode       2 

 

Contents 

 

1

 

Introduction.................................................................... 4

 

2

 

Getting started ............................................................... 5

 

2.1

 

Hardware installation ....................................................... 5

 

2.1.1

 

Connection at Home .............................................................. 6

 

2.1.2

 

Connection at the Office........................................................ 6

 

2.2

 

Software installation ........................................................ 7

 

2.2.1

 

Call Recorder Apresa .............................................................. 7

 

2.2.2

 

Call Recorder VoIP on the PC ................................................. 8

 

2.3

 

Checklist for Tunnel connection ...................................... 9

 

3

 

Web interface and Settings ......................................... 10

 

3.1

 

IP address ......................................................................... 10

 

3.2

 

Web interface .................................................................. 11

 

3.3

 

Settings ............................................................................ 14

 

3.3.1

 

General network settings .................................................... 14

 

3.3.2

 

Tunnel settings ..................................................................... 16

 

3.3.3

 

FTP & Web settings .............................................................. 19

 

3.3.4

 

Telnet setting ....................................................................... 20

 

3.3.5

 

NTP settings .......................................................................... 21

 

3.3.6

 

Date and Time settings ........................................................ 22

 

3.3.7

 

Advanced Settings ............................................................... 22

 

3.3.8

 

Button Mode setting ............................................................ 23

 

3.3.9

 

SD Card settings ................................................................... 24

 

3.3.10

 

Port settings ......................................................................... 27

 

3.3.11

 

Special network settings ..................................................... 28

 

3.3.12

 

App Special Flags ................................................................. 29

 

3.3.13

 

Licenses & Versions .............................................................. 30

 

 
 
 
 
 
 

Содержание V-Tap VoIP

Страница 1: ...V Tap VoIP Manual EN v2 7 Oct 2018 2017 2018 Vidicode 1 V Tap VoIP Manual v2 7 ...

Страница 2: ... 2 3 Checklist for Tunnel connection 9 3 Web interface and Settings 10 3 1 IP address 10 3 2 Web interface 11 3 3 Settings 14 3 3 1 General network settings 14 3 3 2 Tunnel settings 16 3 3 3 FTP Web settings 19 3 3 4 Telnet setting 20 3 3 5 NTP settings 21 3 3 6 Date and Time settings 22 3 3 7 Advanced Settings 22 3 3 8 Button Mode setting 23 3 3 9 SD Card settings 24 3 3 10 Port settings 27 3 3 1...

Страница 3: ...rd safely 34 5 3 Enable DHCP temporary 35 5 4 Show IP address 35 5 5 Factory settings 36 5 6 Default IP address 36 5 7 Firmware update 37 6 Connection schemes 38 6 1 Tunnel function 38 6 2 Split Ports 34 39 6 3 Split Port 4 39 6 4 Split Ports 34 Split Port 4 SPAN mode 40 6 5 Mirror to Port 4 41 6 6 Mirror to Port 3 41 7 Technical Specifications 42 8 Revision History 43 9 Acknowledgements 44 9 1 Pr...

Страница 4: ...network peripherals An IP phone can also be a Softphone running on a PC This is achieved by simply wiring the PC s network through the V Tap VoIP switch In the case that no SD card is inserted the sniffed data is sent life over the network to the Apresa recorder or CR VoIP software With an SD card inserted the sniffed data is stored as files on the card Depending on whether a Tunnel has been defin...

Страница 5: ...onnect the USB to the V Tap VoIP for power Optionally insert an SD card Access the settings in the web interface by using a browser Any LAN port can be used to connect the external network and the IP phones Different configurations are also possible see Port settings For more schemes see the next page and chapter Connection schemes NOTE Ports PHONE2 and PHONE3 are suitable only to connect a Power ...

Страница 6: ...V Tap VoIP Manual EN v2 7 Oct 2018 2017 2018 Vidicode 6 2 1 1 Connection at Home 2 1 2 Connection at the Office ...

Страница 7: ... VoIP software can record your calls Recording multiple calls simultaneously need more upload licenses 2 2 1 Call Recorder Apresa The Call Recorder Apresa is recorder software running on the Linux operating system The Apresa can receive Tunnel data from the V Tap convert this data into audio files and store the files into its own database The Apresa can receive multiple data streams from many V Ta...

Страница 8: ...tware to accept connections from a V Tap go to Options Setup Recording tab and enable as is shown below NOTE1 The PC s IP address is the Tunnel Server Address in the V Tap NOTE2 Be sure that the PC s firewall is open for TCP port 2016 the default Tunnel Destination Port in the V Tap unit NOTE3 Be sure the Encryption password is the same as the Tunnel Encryption Password in the V Tap unit NOTE4 The...

Страница 9: ...estination Port 6 The Tunnel connection to the Apresa or PC software is stable when the GREEN LED is steady not blinking 7 For first tests better turn off Tunnel Data Encryption Otherwise be sure that the Encryption password is the same for both V Tap and Tunnel server 8 The V Tap stores only VoIP data that passes the Tunnel TCP Port Filter In case of an unknown VoIP port or for test this filter c...

Страница 10: ...in the range 192 168 55 0 till 192 168 55 255 and the IP mask should be 255 255 255 0 Default IP address 192 168 55 66 Default User name admin Default Password admin DHCP can be enabled temporary by pressing the button for 1 second The LED s will flash shortly as soon as an IP address is obtained and the V Tap is then reachable on that address See also Enable DHCP temporary and Show IP address It ...

Страница 11: ...he IP address in your browser will show the following screen Now enter admin for the User name and admin for the Password then press the Login button and the Settings page appears see picture on the next page The settings on the next page are not the default settings but just an example ...

Страница 12: ...V Tap VoIP Manual EN v2 7 Oct 2018 2017 2018 Vidicode 12 To show more settings enable the Advanced Settings option and press the Save Logout button The following page appears ...

Страница 13: ...7 Oct 2018 2017 2018 Vidicode 13 By pressing the Save Logout button the settings are sent to the V Tap unit Any ongoing recording is stopped the file on SD card is closed and after a few seconds the new settings are activated ...

Страница 14: ...etwork the IP address Subnet mask Gateway address and DNS address are automatically assigned Without DHCP you must enter them manually With default settings DHCP can be enabled temporary by pressing the button for 1 second see Enable DHCP temporary Device IP Address As part of the network the V Tap VoIP needs an IP address In case a DHCP server is used the DHCP server will assign the V Tap VoIP an...

Страница 15: ...r and or by the NTP feature for obtaining the current date and time In case DHCP is active the gateway is automatically obtained DNS Server Address The Domain Name Service DNS is needed in case a name is entered instead of an IP address for the Tunnel server and or the NTP server The default DNS address 8 8 8 8 is the Google Public DNS but the Gateway must be defined also before this address is re...

Страница 16: ...and are very important for the receiving end of the Tunnel data The receiving Tunnel server must be setup to look for the same port number as is installed in this Tunnel Destination Port Not all TCP port numbers are available for tunnelling because some are officially used by other protocols For example port 80 is used for HTTP in all browsers to communicate over the World Wide Web A list of known...

Страница 17: ...the timeout the V Tap starts trying again after a few seconds with a new source port number see above Storage onto SD card just continues and is not interrupted by any connection or disconnection of the Tunnel Tunnel Idle Timeout This timeout is used to disconnect the active tunnel connection only when no packets are received sniffed anymore from the local connected network Default the idle timeou...

Страница 18: ...nloads and streaming media The receiving Tunnel server can still pick out the VoIP calls but on a busy local network this is not advised to do because the V Tap VoIP probably gets overloaded Disabling the filter is therefore only useful when the V Tap is connected to one or more VoIP phones not a trunk or network with other data traffic To store the SIP protocol only the port filter must be set to...

Страница 19: ...H or HH MM HH MM Example 22 30 08 15 send between 10 30 in the evening and 8 15 in the morning 3 3 3 FTP Web settings The V Tap VoIP has a build in FTP File Transfer Protocol server that allows you to access the internal filing system At this moment this is only used for updating the firmware remotely see chapter Update Firmware FTP can be disabled by setting the FTP Port to 0 zero FTP Web User na...

Страница 20: ...ly sent to Telnet Opening and closing of the Tunnel connection and when an SD card is used the opening and closing of files Further there are two commands that can be entered with Telnet The command ATMENU will first ask you to enter the web access password and then brings you in a remote maintenance menu Once inside the menu the tunnel function and SD card storage are stopped The menu gives the u...

Страница 21: ...d calls Specially when Tunnel data is first stored on an SD card and later interpreted by the Call Recorder VoIP software on the PC The V Tap synchronizes the clock 6 times per day each 4 hours NTP Server Address The IP address or the host name of the NTP server Default the address is set to pool ntp org but the Gateway and the DNS server must be defined also for this to work Leave this field empt...

Страница 22: ...n and always 10 characters long in total For the time the entered format must be hour minutes and seconds separated by the colon sign and always 8 characters long in total The new date and time are set after pressing Save Logout 3 3 7 Advanced Settings This option will show more or less settings The advanced settings are hidden when the basic settings are shown The basic settings are relevant for ...

Страница 23: ...on saved calls are deleted from the SD card 3 Start Stop mode The state of the Red LED does not change in between calls After power on or saving settings the Red LED is OFF so the V Tap is not recording calls mode 4 When 4 is added to the mode the V Tap is in pre recording mode meaning that all audio of all calls is always stored even after stopping with the button Normally the audio storage is st...

Страница 24: ...ntil the user gets the card out SD cards with recorded Tunnel files on them can be read and interpreted by the Call Recorder VoIP software on the PC Files are not deleted from the card by the system Files are written until the card is full error situation or until the maximum number of files has been reached in which case the oldest files are overwritten Without an SD card the system has only litt...

Страница 25: ...Card The maximum number of files on the card has 2 purposes First of all it makes the directory on the card more manageable by the system and any PC Too many files in one directory make a slow system The default number of 5000 is reasonable Secondly a system can be built to use the card as an endless buffer without the problem that the card is getting full However this must be calculated carefully...

Страница 26: ...Format Enabling this option sets the V Tap unit in a completely different mode The format of the stored packets in the files on the SD card changes to the PCAP format The files on the card are given the extension CAP and are directly readable by PC tools like Wireshark The Tunnel function itself is disabled but packets still must pass the Tunnel filters before they are stored This mode can be used...

Страница 27: ...split ports operation see Split Ports Mirror Ports 123 to Port 4 Mirror Ports 12 to Port 3 By enabling one of the two Mirror functions the Tunnel function is lost Data storage is not done anymore and the V Tap unit is only used as a flow controller where the data is sent real time back to the network Port mirroring is used to send a copy of the network packets to the selected port On the receiving...

Страница 28: ...s max 1460 bytes for the data part The default length is based on optimal performance when sending data from an SD card There is probably no need to ever change this parameter when the Tunnel is sending on a normal LAN When sending directly on a WAN or very busy LAN the length might be decreased for better performance like 512 LAN Service Timer The default value is for normal network speed When a ...

Страница 29: ... Duplex on all LAN ports except a mirror port bit5 32 Force 10 Mbps on all LAN ports except a mirror port bit6 64 Set time as Daylight Saving Time for PCAP files bit7 128 Disable Daylight Saving Time Correction in the NTP function bit8 256 Enable CPU Overclocking 10 faster bit9 512 Disable CPU Cash Controller 20 slower bit10 1024 CPU running on overclocking 5 faster bit11 2048 Disable USB function...

Страница 30: ...re calls can be busy simultaneously For example when two VoIP calls are busy at the same time and the V Tap has only one license then the second call will be discarded by the Tunnel server and cannot be recovered anymore later The shown date is the last day that the user can ask for support on his her unit Adding new licenses or extending the S U date is explained in the separate quick guide about...

Страница 31: ...t are related to pressing the button are described in the next chapter Button functions The situations during normal operation are described below per LED 4 1 Red Error LED The Red LED is used to indicate an error situation or to show the recording state when the button start stop mode is configured Red LED steady ON plus Green LED and Amber LED blinking opposite This is the factory default and me...

Страница 32: ... bytes file is now on the card See also Remove SD Card safely Red LED blinking fast This indicates that data was lost The internal buffer was overflown because the connection to the Tunnel server was lost or writing to the SD card failed This situation can solve itself after connection to the Tunnel server has been restored Red LED blinking fast together with all other LED s This happens after a f...

Страница 33: ...ue LED steady ON The Mirror function in the V Tap VoIP is enabled See Port settings 4 4 Amber SD Power LED The Amber LED is used to show the status of the SD card Amber LED steady ON This indicates that an SD card is inserted and is ready to be used by the system Amber LED blinking short Red LED OFF This indicates that an SD card is inserted and the system is writing data to a file or reading data...

Страница 34: ...ta must be written The file remains open for writing until it is closed automatically after which a new file is opened immediately See for further explanation paragraph SD Card settings In the case the SD card is taken out without precaution the current open file is not closed properly and will have a content of zero bytes The appearance in the directory remains Also there is a very small chance t...

Страница 35: ...get lost for some reason or is unknown because a DHCP server is used In other words the user cannot reach the web interface anymore There is a way to reset all settings to factory values see further after which the IP address is on default again If that is not desirable then there is a way to show the IP address with the LED s this does not work when the Button Mode is set Press the button All LED...

Страница 36: ...ly possible when the system is running normal With corrupted firmware a special update must be done with an SD card see Firmware update 5 6 Default IP address When the application does not seem to run at all anymore then a reset to factory settings is not possible Besides a special update with the SD card see below there is still a way to look with FTP in the filing system remotely The following c...

Страница 37: ...Release the button then update starts immediately Normal operation resumes after maximal 30 seconds At least the files UPDATE SD and VTAP ROM and or VTAP CPY must be on the card The files SAVECONF DELCONF and CLEARROM are optional II The system is not running at all The following method is always valid to update or re install the firmware if the SD interface is still working The manufacturer must ...

Страница 38: ...drawn The settings to change these different ways of operating are described in Port settings NOTE Only ports PHONE2 and PHONE3 are suitable to connect an external Power over Ethernet PoE loop The V Tap itself does not generate PoE 6 1 Tunnel function This is the default startup situation of the V Tap VoIP All ports can be used for web access VoIP data and Tunnel connection ...

Страница 39: ... 39 6 2 Split Ports 34 This mode can be set with the parameter Split Port 12 from Ports 34 Ports 3 and 4 are named PHONE1 and LAN on the box 6 3 Split Port 4 This mode can be set with the parameter Split Port 123 from Port 4 Port 4 is named LAN on the box ...

Страница 40: ...rts 34 Split Port 4 SPAN mode Receiving data from a switch with Port mirroring or SPAN port can be achieved by enabling both Split Port parameters as a special case Port 1 and Port 2 on the V Tap PHONE3 and PHONE2 on the box can then be used to send the mirrored data to ...

Страница 41: ... mode can be set with the parameter Mirror Ports 123 to Port 4 If web access is not needed on port 4 also set Split Ports 123 from 4 Port 4 is named LAN on the box 6 6 Mirror to Port 3 This mode can be set with the parameter Mirror Ports 12 to Port 3 Port 3 is named PHONE1 on the box ...

Страница 42: ...NE2 to PHONE3 IEEE 802 3af So if the cable carries PoE it is bridged to the other port Note that the V Tap VoIP does not generate PoE by itself USB Version V2 0 High Speed 480Mbps USB Profile Generic HID VID 0DE1 16 PID 3101 16 USB Current 5V 400mA Max 2W USB Connector Full size B type Button Function as described here Button functions LED s 4x Function as described here LED s Size L x B x H 90 x ...

Страница 43: ...anges in the text V2 2 April 2018 Added C commands in App Special Flags V2 1 December 2017 Advanced Settings added V2 0 December 2017 Fixed the list numbering of the settings Schemes for Split Ports improved plus new SPAN mode V1 9 October 2017 Factory settings with button improved Port names added as on the box Enable DHCP temporary when on default settings Default DNS server is 8 8 8 8 Default N...

Страница 44: ...and other issues concerning the use of any Call Recorder Vidicode is not a source of official interpretation of laws of any country or state and shall not be construed as a source for making decisions whether to provide notification or not Vidicode assumes no liability regarding incorrect notification of call recording 9 2 Liability Correct functioning of the V Tap VoIP cannot be guaranteed under ...

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