Additional Topics > Medical Imaging in IDL > IDL DICOM Reference > IDLffDicomExCfg::Echo

# IDLffDicomExCfg::Echo

The IDLffDicomExCfg::Echo function method lets you test the network connection to a remote machine that supports Query SCP or Storage SCP service types. See Returning Connection Status with Echo for additional information.

## Syntax

Result = Obj->[IDLffDicomExCfg::]Echo(ApplicationEntityName [, COUNT=variable] )

## Return Value

An array of strings containing the results of the echo. The number of elements and information returned depends on whether the echo succeeded.

| Contents | Example Value
--- | --- | ---
0 | Success value | Echo Succeeded:
1 | Application Entity Name | AE Name: (StorScp)
2 | Application Entity Title | AE Title: (IDL_STORE_SCP)
3 | Host Name | Host Name: (10.17.2.59)
4 | IP Address | IP Address: (10.17.2.59)
5 | TCP/IP Port | TCP/IP Port: (104)
6 | Implementation Version | Implementation Version: (MergeCOM3_321)
7 | Implementation Class UID | Implementation Class UID: (2.16.840.1.114226)

| Contents | Example Value
--- | --- | ---
0 | Success value | Echo Failed:
1 | Application Entity Name | AE Name: (StorScp)
2 | Application Entity Title | AE Title: (IDL_STORE_SCP)
3 | Reason | Open Association Failed (Failed to connect to remote host)

## Arguments

### ApplicationEntityName

A string containing the name of a defined Application Entity.

## Keywords

### COUNT

Set this keyword equal to a named variable that will contain an integer representing the number of strings in the returned string array. COUNT will be 8 when the echo succeeds or 4 when the echo fails.

## Version History

6.3 | Introduced