Save credentials for windows terminal server

 Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CredentialsDelegation]
"AllowSavedCredentialsWhenNTLMOnly"=dword:00000001
“AllowSavedCredentials”=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentialsWhenNTLMOnly]
"1"="TERMSRV/*"
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentials]
"1"="TERMSRV/*"
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows\CredentialsDelegation]
“AllowSavedCredentialsWhenNTLMOnly”=dword:00000001
“AllowSavedCredentials”=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentialsWhenNTLMOnly]
"1"="TERMSRV/*"
[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows\CredentialsDelegation\AllowSavedCredentials]
"1"="TERMSRV/*"

Asterisk Chanspy() - supervisor assistance

 exten => _555XXXX,1,Verbose(${CHANNELS()})
 same => n,Authenticate(2128)
 same => n,Answer
 same => n,Wait(1)
 same => n,ChanSpy(SIP/${EXTEN:3},qw)
 same => n,Hangup()

Where calling "555ext_num" connects to current conversation after password "2128#"

q - quiet mode

w - whisper mode (one side)