You can dial 4443 from your SIP device to start the echo test
Need to make changes for this to work you will see some errors
[Aug 30 14:59:40] NOTICE[2099][C-00000005]: chan_sip.c:25503 handle_request_invite: Call from ‘101’ (172.16.24.173:58413) to extension ‘4443’ rejected because extension not found in context ‘mycontext’.
edit /etc/asterisk/extensions.conf
add the following
exten => 4443,1,Answer
exten => 4443,n,NoOp(Echo-Test-4443)
exten => 4443,n,Dial(4443@voipms)
open asterisk -rvvv
reload
dial again, get new error
then open /etc/asterisk/extensions.conf
edit the following
Aug 30 15:02:10] WARNING[2223][C-00000006]: app_dial.c:2330 dial_exec_full: Dial argument takes format (technology/resource)
== Spawn extension (mycontext, 4443, 3) exited non-zero on ‘SIP/101-00000006’
exten => 4443,n,Dial(4443@voipms) ** change to exten => 4443,n,Dial(SIP/4443@voipms) **
asterisk -rvvv
reload
dial and it’s a success!