diff --git a/build_tools/menuselect-deps.in b/build_tools/menuselect-deps.in
index 0a7dd904ab14803c43d7ba8e47c13f20d2f11abd..80eaf7d4b69c7c4aaa971dc0e75ef5ff800c26d2 100644
--- a/build_tools/menuselect-deps.in
+++ b/build_tools/menuselect-deps.in
@@ -40,6 +40,7 @@ TONEZONE=@PBX_TONEZONE@
 UNIXODBC=@PBX_UNIXODBC@
 USB=@PBX_USB@
 VORBIS=@PBX_VORBIS@
+VPBAPI=@PBX_VPB@
 WINARCH=@WINARCH@
 ZAPTEL=@PBX_ZAPTEL@
 ZAPTEL_TRANSCODE=@PBX_ZAPTEL_TRANSCODE@
diff --git a/configs/vpb.conf.sample b/configs/vpb.conf.sample
new file mode 100644
index 0000000000000000000000000000000000000000..4a9b0b36ad7083abe343db8e3922e4cdf11619b7
--- /dev/null
+++ b/configs/vpb.conf.sample
@@ -0,0 +1,108 @@
+;
+; V6PCI/V12PCI config file for VoiceTronix Hardware
+;
+; Options for [general] section
+;
+; type = v12pci|v6pci|v4pci
+; cards = number of cards
+;    To use Asterisk indication tones
+; indication = 1
+;    none,-24db,-18db only for use with OpenLine4
+; ecsuppthres = 0|2048|4096
+;    Inter Digit Delay timeout for when collecting DTMF tones for dialling
+;    from a Station port, in ms
+; dtmfidd = 3000
+;    To use Asterisk DTMF detection
+; ast-dtmf-det=1
+;    Used with ast-dtmf-det
+; relaxdtmf=1
+;    When a native bridge occurs between 2 vpb channels, it will only break
+;    the connection for '#' and '*'
+; break-for-dtmf=no
+;    Set the maximum period between received rings, default 4000ms
+; timer_period_ring=4000
+;
+; Options for [interface] section
+; board = board_number (1, 2, 3, ...)
+; channel = channel_number (1,2,3...)
+; mode = fxo|immediate|dialtone -- for type of line and line handling
+; context = starting context
+; echocancel = on|off (on by default of v4pci, off by default for others)
+; callerid = on|off|v23|bell (on => to collect caller ID if available between 1st/2nd rings using vpb functions)
+;                            (v23|bell => collect caller ID using asterisk functions)
+;            Or for use with FXS channels a '"name" <location>' format can be used to set the channels CID
+;
+; UseLoopDrop = 0|1 (enables the use of Loop Drop detection, on by default in
+;                    some cases spurious loop-drops can cause unexpected 
+;                    hangup detection)
+; 
+; Gain settings
+; txgain  => Transmit Software Gain (-12 => 12)
+; rxgain  => Receive Software Gain (-12 => 12)
+; txhwgain => Transmit hardware gain (-12 => 12)
+; rxhwgain => Receive Hardware gain (-12 => 12)
+;
+; These are advanced settings and only mentioned for completeness.
+; bal1  => Hybrid balance codec register 1
+; bal2  => Hybrid balance codec register 2
+; bal3  => Hybrid balance codec register 3
+;
+; Dial translations - if you want a pause or hook-flash in your dial string
+; you can use "w" for pause (wait) or "f" for "hook-flash", eg:
+; exten => _9XXX,1,Dial(vpb/g1/ww${EXTEN:${TRUNKMSD}})
+;
+;
+
+[general]
+type = v12pci
+;type = v6pci
+;type = v4pci
+cards = 1
+
+[interfaces]
+
+board = 0
+echocancel = on
+
+
+; For OpenLine4 cards
+;context = demo
+;mode = fxo
+;channel = 0
+;channel = 1
+;channel = 2
+;channel = 3
+
+; For OpenSwith12 with jumpers at factory default
+context = demo
+mode = fxo
+channel = 8
+channel = 9
+channel = 10
+channel = 11
+
+context = local
+mode = dialtone
+channel = 0
+channel = 1
+channel = 2
+channel = 3
+channel = 4
+channel = 5
+channel = 6
+channel = 7
+;
+; For OpenSwitch6
+; Note that V6PCI channel numbers start at 7!
+;context = demo
+;mode = fxo
+;channel = 6
+;channel = 7
+
+;mode = dialtone
+;channel = 8
+;channel = 9
+;channel = 10
+;channel = 11
+
+
diff --git a/doc/tex/channelvariables.tex b/doc/tex/channelvariables.tex
index 48f252989270bf11bb4d07860b5ff24e455a8c72..9f1104c5208c930a1d06a8d5df7c4514d17a2181 100644
--- a/doc/tex/channelvariables.tex
+++ b/doc/tex/channelvariables.tex
@@ -838,6 +838,7 @@ ${TOUCH_MONITOR_PREF}   * The prefix for automonitor recording filenames.
 ${TOUCH_MONITOR_FORMAT}   The audio format to use with Touch Monitor (auto record)
 ${TOUCH_MONITOR_OUTPUT} * Recorded file from Touch Monitor (auto record)
 ${TXTCIDNAME}           * Result of application TXTCIDName
+${VPB_GETDTMF}            chan_vpb
 \end{verbatim}
 
 \subsection{The MeetMe Conference Bridge}
diff --git a/makeopts.in b/makeopts.in
index 3ada450998844e4564cf6f0bbd7fc9a453ed0ce5..1b150a94b43237e270e09bab2969e6669c7ed873 100644
--- a/makeopts.in
+++ b/makeopts.in
@@ -195,6 +195,9 @@ UNIXODBC_LIB=@UNIXODBC_LIB@
 VORBIS_INCLUDE=@VORBIS_INCLUDE@
 VORBIS_LIB=@VORBIS_LIB@
 
+VPBAPI_INCLUDE=@VPB_INCLUDE@
+VPBAPI_LIB=@VPB_LIB@
+
 ZAPTEL_INCLUDE=@ZAPTEL_INCLUDE@
 
 ZLIB_INCLUDE=@ZLIB_INCLUDE@