echoscu(1) OFFIS DCMTK echoscu(1) (NAME) echoscu - (SCU) DICOM (C-ECHO) (SYNOPSIS) echoscu [options] peer port (DESCRIPTION) echoscu (SCU) Verification SOP Class . C-ECHO (DICOM) (SCP) . DICOM . (PARAMETERS) peer (hostname) DICOM port (port) tcp/ip (OPTIONS) (general options) -h --help --version --arguments -q --quiet -v --verbose -d --debug -ll --log-level [l]evel: string constant (fatal, error, warn, info, debug, trace) l (logger) -lc --log-config [f]ilename: string f (network options) IP: -i4 --ipv4 IPv4 () -i6 --ipv6 IPv6 -i0 --ip-auto DNS IP (AE Titles): -aet --aetitle [a]etitle: string AE title (: ECHOSCU) -aec --call [a]etitle: string AE title (: ANY-SCP) (association negotiation): -pts --propose-ts [n]umber: integer (1..53) n (transfer syntax) -ppc --propose-pc [n]umber: integer (1..128) n (presentation context) : -to --timeout [s]econds: integer (: ) -ts --socket-timeout [s]econds: integer (: 60) (0 ) -ta --acse-timeout [s]econds: integer (: 30) ACSE -td --dimse-timeout [s]econds: integer (: ) DIMSE -pdu --max-pdu [n]umber of bytes: integer (4096..131072) pdu n (: 16384) --repeat [n]umber: integer n --abort (abort) (release) (TLS) : -tls --disable-tls TCP/IP () +tls --enable-tls [p]rivate key file, [c]ertificate file: string TLS +tla --anonymous-tls TLS ( --enable-tls): +ps --std-passwd stdin () +pw --use-passwd [p]assword: string -pw --null-passwd : -pem --pem-keys PEM () -der --der-keys DER (CA): +cf --add-cert-file [f]ilename: string +cd --add-cert-dir [d]irectory: string d +crl --add-crl-file [f]ilename: string (CRL) ( --enable-crl-vfy) +crv --enable-crl-vfy CRL (leaf) +cra --enable-crl-all CRL : +ph --list-profiles TLS +pg --profile-8996 BCP 195 RFC 8996 TLS () +pm --profile-8996-mod BCP 195 RFC 8996 TLS # TLS # TLS +py --profile-bcp195-nd Non-downgrading BCP 195 TLS () +px --profile-bcp195 BCP 195 TLS () +pz --profile-bcp195-ex Extended BCP 195 TLS () +pb --profile-basic Basic TLS Secure Transport Connection () # TLS 3DES +pa --profile-aes AES TLS Secure Transport Connection () +pn --profile-null ( IHE ATNA ) (ciphersuite): +cc --list-ciphers TLS +cs --cipher [c]iphersuite name: string (SNI): --no-sni SNI () --request-sni [s]erver name: string s : +rs --seed [f]ilename: string (seed) f +ws --write-seed seed ( --seed) +wf --write-seed-file [f]ilename: string ( --seed) seed f (peer): -rc --require-peer-cert () -ic --ignore-peer-cert : +vc --verify-cert [f]ilename: string CA # TLS # . . +rc --is-root-cert [f]ilename: string (root CA) # # (root CA) . . (NOTES) DICOM (DICOM Conformance) echoscu SOP Class SCU : VerificationSOPClass 1.2.840.10008.1.1 echoscu (transfer syntax) : LittleEndianImplicitTransferSyntax 1.2.840.10008.1.2 --propose-ts <> : LittleEndianExplicitTransferSyntax 1.2.840.10008.1.2.1 BigEndianExplicitTransferSyntax 1.2.840.10008.1.2.2 JPEGProcess1TransferSyntax 1.2.840.10008.1.2.4.50 JPEGProcess2_4TransferSyntax 1.2.840.10008.1.2.4.51 JPEGProcess3_5TransferSyntax 1.2.840.10008.1.2.4.52 JPEGProcess6_8TransferSyntax 1.2.840.10008.1.2.4.53 JPEGProcess7_9TransferSyntax 1.2.840.10008.1.2.4.54 JPEGProcess10_12TransferSyntax 1.2.840.10008.1.2.4.55 JPEGProcess11_13TransferSyntax 1.2.840.10008.1.2.4.56 JPEGProcess14TransferSyntax 1.2.840.10008.1.2.4.57 JPEGProcess15TransferSyntax 1.2.840.10008.1.2.4.58 JPEGProcess16_18TransferSyntax 1.2.840.10008.1.2.4.59 JPEGProcess17_19TransferSyntax 1.2.840.10008.1.2.4.60 JPEGProcess20_22TransferSyntax 1.2.840.10008.1.2.4.61 JPEGProcess21_23TransferSyntax 1.2.840.10008.1.2.4.62 JPEGProcess24_26TransferSyntax 1.2.840.10008.1.2.4.63 JPEGProcess25_27TransferSyntax 1.2.840.10008.1.2.4.64 JPEGProcess28TransferSyntax 1.2.840.10008.1.2.4.65 JPEGProcess29TransferSyntax 1.2.840.10008.1.2.4.66 JPEGProcess14SV1TransferSyntax 1.2.840.10008.1.2.4.70 RLELosslessTransferSyntax 1.2.840.10008.1.2.5 DeflatedExplicitVRLittleEndianTransferSyntax 1.2.840.10008.1.2.1.99 JPEGLSLosslessTransferSyntax 1.2.840.10008.1.2.4.80 JPEGLSLossyTransferSyntax 1.2.840.10008.1.2.4.81 JPEG2000LosslessOnlyTransferSyntax 1.2.840.10008.1.2.4.90 JPEG2000TransferSyntax 1.2.840.10008.1.2.4.91 JPEG2000Part2MulticomponentImageComp.LosslessOnlyT. 1.2.840.10008.1.2.4.92 JPEG2000Part2MulticomponentImageComp.TransferSyntax 1.2.804.10008.1.2.4.93 MPEG2MainProfileAtMainLevelTransferSyntax 1.2.840.10008.1.2.4.100 MPEG2MainProfileAtHighLevelTransferSyntax 1.2.840.10008.1.2.4.101 MPEG4HighProfileLevel4_1TransferSyntax 1.2.840.10008.1.2.4.102 MPEG4BDcompatibleHighProfileLevel4_1TransferSyntax 1.2.840.10008.1.2.4.103 MPEG4HighProfileLevel4_2_For2DVideoTransferSyntax 1.2.840.10008.1.2.4.104 MPEG4HighProfileLevel4_2_For3DVideoTransferSyntax 1.2.840.10008.1.2.4.105 MPEG4StereoHighProfileLevel4_2TransferSyntax 1.2.840.10008.1.2.4.106 HEVCMainProfileLevel5_1TransferSyntax 1.2.840.10008.1.2.4.107 HEVCMain10ProfileLevel5_1TransferSyntax 1.2.840.10008.1.2.4.108 FragmentableMPEG2MainProfileMainLevelTransferSyntax 1.2.840.10008.1.2.4.100.1 FragmentableMPEG2MainProfileHighLevelTransferSyntax 1.2.840.10008.1.2.4.101.1 FragmentableMPEG4HighProfileLevel4_1TransferSyntax 1.2.840.10008.1.2.4.102.1 FragmentableMPEG4BDcompatibleHighProfileLevel4_1Tr. 1.2.840.10008.1.2.4.103.1 FragmentableMPEG4HighProfileLevel4_2_For2DVideoTr.S 1.2.840.10008.1.2.4.104.1 FragmentableMPEG4HighProfileLevel4_2_For3DVideoTr.S 1.2.840.10008.1.2.4.105.1 FragmentableMPEG4StereoHighProfileLevel4_2TransferS 1.2.840.10008.1.2.4.106.1 HighThroughputJPEG2000ImageCompressionLossless.Tr.S 1.2.840.10008.1.2.4.201 HighThroughputJPEG2000RPCLImageCompressionLoss.Tr.S 1.2.840.10008.1.2.4.202 HighThroughputJPEG2000ImageCompressionTransferSynt. 1.2.840.10008.1.2.4.203 (LOGGING) . . --verbose . --debug . --log-level . --quiet . . <> . ( ) syslog () event log () --log-config . . /logger.cfg . (COMMAND LINE) : (0-1) (1-n) 0 n . <<+>> <<->> . ( ). . . <<@>> ( @command.txt). ( ). . / ( /dumppat.txt ). (EXIT CODES) echoscu . . (general) EXITCODE_NO_ERROR 0 EXITCODE_COMMANDLINE_SYNTAX_ERROR 1 (input file errors) EXITCODE_CANNOT_READ_INPUT_FILE 20 (*) EXITCODE_INVALID_INPUT_FILE 22 (output file errors) EXITCODE_CANNOT_WRITE_OUTPUT_FILE 40 (*) (network errors) EXITCODE_CANNOT_INITIALIZE_NETWORK 60 (*) EXITCODE_ASSOCIATION_ABORTED 70 (*) echoscu (placeholder) ..SH " (ENVIRONMENT)" echoscu DICOM DCMDICTPATH . DCMDICTPATH /dicom.dic ( Windows). DCMDICTPATH . DCMDICTPATH PATH Unix (":") . Windows - (";") . DCMDICTPATH . . (COPYRIGHT) (C) 1994-2025 OFFIS e.V., Escherweg 2, 26121 Oldenburg, Germany. Version 3.7.0 Thu Jul 9 2026 18:43:40 echoscu(1)