diff --git a/libs/voipcodecs/libvoipcodecs.vcproj b/libs/voipcodecs/libvoipcodecs.vcproj
index 04f7cf2f50..21aa075958 100644
--- a/libs/voipcodecs/libvoipcodecs.vcproj
+++ b/libs/voipcodecs/libvoipcodecs.vcproj
@@ -1,657 +1,334 @@
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+				AdditionalIncludeDirectories="src; src\voipcodecs; src\msvc"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBvoipcodecs_EXPORTS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;HAVE_MATH_H"
+				RuntimeLibrary="2"
+				UsePrecompiledHeader="0"
+				WarningLevel="4"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				LinkIncremental="1"
+				ModuleDefinitionFile="src/msvc/voipcodecs.def"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath=".\src\bitstream.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\g711.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\g722_decode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\g722_encode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\g726.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_decode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_encode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_long_term.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_lpc.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_preprocess.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_rpe.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_short_term.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\ima_adpcm.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_analyse.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_decode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_encode.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_placev.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_voicing.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\oki_adpcm.c"
+				>
+			</File>
+			<File
+				RelativePath=".\src\vector_int.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\src\voipcodecs\bit_operations.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\bitstream.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\dc_restore.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\float_fudge.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\g711.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\g722.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\g726.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\gsm0610.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\gsm0610_local.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\ima_adpcm.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\lpc10.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\lpc10_encdecs.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\oki_adpcm.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\telephony.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\vector_int.h"
+				>
+			</File>
+			<File
+				RelativePath=".\src\voipcodecs\version.h"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
diff --git a/libs/voipcodecs/src/msvc/voipcodecs.def b/libs/voipcodecs/src/msvc/voipcodecs.def
index cb5076c2fa..a5622ad0e9 100644
--- a/libs/voipcodecs/src/msvc/voipcodecs.def
+++ b/libs/voipcodecs/src/msvc/voipcodecs.def
@@ -1,62 +1,4 @@
 EXPORTS
-adsi_rx_init
-adsi_rx
-adsi_tx_init
-adsi_send_alert_tone
-adsi_put_message
-adsi_next_field
-adsi_add_field
-async_tx_init
-async_rx_init
-awgn
-bert_init
-bert_get_bit
-bert_put_bit
-bert_set_report
-bert_result
-filter_create
-filter_delete
-filter_step
-cfilter_create
-cfilter_delete
-cfilter_step
-dds_phase_rate
-dds_frequency
-dds_scaling_dbm0
-dds_scaling_dbov
-dds_lookup
-dds_offset
-dds
-dds_mod
-dds_complex
-dds_complex_mod
-dds_phase_ratef
-dds_frequencyf
-dds_scaling_dbm0f
-dds_scaling_dbovf
-ddsf
-dds_modf
-dds_complexf
-dds_complex_modf
-echo_can_create
-echo_can_free
-echo_can_flush
-echo_can_adaption_mode
-echo_can_update
-fax_rx
-fax_tx
-fax_set_flush_handler
-fax_init
-fax_release
-fsk_tx_init
-fsk_tx_power
-fsk_tx_set_get_bit
-fsk_tx
-fsk_rx_signal_power
-fsk_rx_signal_cutoff
-fsk_rx_init
-fsk_rx
-fsk_rx_set_put_bit
 g722_encode_init
 g722_encode_release
 g722_encode
@@ -65,240 +7,7 @@ g722_decode_release
 g722_decode
 g726_init
 g726_release
-crc_itu32_calc
-crc_itu32_append
-crc_itu32_check
-crc_itu16_calc
-crc_itu16_append
-crc_itu16_check
-hdlc_rx_init
-hdlc_rx_get_stats
-hdlc_tx_init
-hdlc_tx_frame
-hdlc_tx_preamble
 ima_adpcm_init
 ima_adpcm_release
-span_log_test
-span_log
-span_log_buf
-span_log_init
-span_log_set_protocol
-span_set_message_handler
-span_set_error_handler
-modem_echo_can_create
-modem_echo_can_free
-modem_echo_can_flush
-modem_echo_can_adaption_mode
-modem_echo_can_update
-noise
 oki_adpcm_init
 oki_adpcm_release
-playout_put
-playout_get
-playout_get_unconditional
-playout_current_length
-playout_next_due
-playout_new
-playout_free
-playout_restart
-plc_rx
-plc_fillin
-plc_init
-plc_release
-power_meter_init
-power_meter_damping
-power_meter_update
-power_meter_dbm0
-power_meter_dbov
-power_meter_level_dbm0
-power_meter_level_dbov
-queue_empty
-queue_free_space
-queue_contents
-queue_flush
-queue_view
-queue_read
-queue_write
-queue_test_msg
-queue_read_msg
-queue_write_msg
-queue_create
-queue_delete
-sig_tone_init
-sig_tone_rx
-sig_tone_tx
-super_tone_rx_make_descriptor
-super_tone_rx_add_tone
-super_tone_rx_add_element
-super_tone_rx_init
-super_tone_rx_free
-super_tone_rx_segment_callback
-super_tone_rx
-super_tone_tx_make_step
-super_tone_tx_free
-super_tone_tx_init
-super_tone_tx
-t30_init
-t30_release
-t30_restart
-t30_create
-t30_free
-t30_frametype
-t30_decode_dis_dtc_dcs
-t30_completion_code_to_str
-t30_set_header_info
-t30_set_local_ident
-t30_get_sub_address
-t30_get_header_info
-t30_get_local_ident
-t30_get_far_ident
-t30_get_transfer_statistics
-t30_set_phase_b_handler
-t30_set_phase_d_handler
-t30_set_phase_e_handler
-t30_set_document_handler
-t30_set_rx_file
-t30_set_tx_file
-t30_local_interrupt_request
-t30_send_complete
-t30_hdlc_accept
-t30_timer_update
-t31_call_event
-t31_at_rx
-t31_rx
-t31_tx
-t31_init
-t31_release
-t35_decode
-t38_indicator
-t38_data_type
-t38_field_type
-t38_terminal_init
-t38_gateway_init
-t4_rx_create
-t4_rx_init
-t4_rx_start_page
-t4_rx_end_page
-t4_rx_delete
-t4_rx_end
-t4_rx_set_rx_encoding
-t4_rx_set_sub_address
-t4_rx_set_far_ident
-t4_rx_set_vendor
-t4_rx_set_model
-t4_tx_create
-t4_tx_init
-t4_tx_start_page
-t4_tx_restart_page
-t4_tx_end_page
-t4_tx_delete
-t4_tx_end
-t4_tx_set_tx_encoding
-t4_tx_set_min_row_bits
-t4_tx_set_local_ident
-t4_tx_set_header_info
-t4_get_transfer_statistics
-t4_encoding_to_str
-time_scale_init
-time_scale_rate
-time_scale
-make_goertzel_descriptor
-goertzel_init
-goertzel_update
-goertzel_result
-dtmf_rx_init
-dtmf_rx_set_realtime_callback
-dtmf_rx_parms
-dtmf_rx
-make_tone_descriptor
-make_tone_gen_descriptor
-tone_gen_init
-tone_gen
-dtmf_tx_init
-dtmf_tx
-v17_rx_init
-v17_rx_restart
-v17_rx_release
-v17_rx_set_put_bit
-v17_rx
-v17_rx_equalizer_state
-v17_rx_carrier_frequency
-v17_rx_symbol_timing_correction
-v17_rx_signal_power
-v17_rx_signal_cutoff
-v17_rx_set_qam_report_handler
-v17_tx_power
-v17_tx_init
-v17_tx_restart
-v17_tx_release
-v17_tx_set_get_bit
-v17_tx
-v22bis_rx_restart
-v22bis_rx
-v22bis_rx_equalizer_state
-v22bis_rx_carrier_frequency
-v22bis_rx_symbol_timing_correction
-v22bis_rx_signal_power
-v22bis_rx_set_qam_report_handler
-v22bis_tx
-v22bis_tx_power
-v22bis_restart
-v22bis_init
-v22bis_set_get_bit
-v22bis_set_put_bit
-v27ter_rx_init
-v27ter_rx_restart
-v27ter_rx_release
-v27ter_rx_set_put_bit
-v27ter_rx
-v27ter_rx_equalizer_state
-v27ter_rx_carrier_frequency
-v27ter_rx_symbol_timing_correction
-v27ter_rx_signal_power
-v27ter_rx_signal_cutoff
-v27ter_rx_set_qam_report_handler
-v27ter_tx_power
-v27ter_tx_init
-v27ter_tx_restart
-v27ter_tx_release
-v27ter_tx_set_get_bit
-v27ter_tx
-v29_rx_init
-v29_rx_restart
-v29_rx_release
-v29_rx_set_put_bit
-v29_rx
-v29_rx_equalizer_state
-v29_rx_carrier_frequency
-v29_rx_symbol_timing_correction
-v29_rx_signal_power
-v29_rx_signal_cutoff
-v29_rx_set_qam_report_handler
-v29_tx_power
-v29_tx_init
-v29_tx_restart
-v29_tx_release
-v29_tx_set_get_bit
-v29_tx
-lapm_dump
-lapm_receive
-lapm_tx
-lapm_tx_iframe
-v42_set_status_callback
-v42_rx_bit
-v42_tx_bit
-v42_init
-v42_restart
-v42_release
-v42bis_compress
-v42bis_compress_flush
-v42bis_decompress
-v42bis_decompress_flush
-v42bis_init
-v42bis_release
-v8_init
-v8_release
-v8_tx
-v8_rx
-v8_log_supported_modulations
-