Yeastar Technology TG400G User Manual page 87

Configure SIP Advanced Settings
Navigate to Gateway > VoIP Settings > SIP Settings > Advanced Settings, to configure the SIP
advanced settings.
Check the description of SIP advanced settings below.
Option
From Field
To Field
183 Mode
Remote Party ID
Allow Guest
Pedantic
Always Auth Reject
Description
Where to get the caller ID in SIP packet
Where to get the DID in SIP packet
There are two modes Alerted and Immediately. If you choose the
Alerted mode, after you make an outbound call, TG will respond a
"183 Session Progress" SIP packet. If you choose "Immediately", TG
will respond a "180 ringing" SIP packet
Whether send Remote-Party-ID on SIP header. Default is no.
Whether allow anonymous registration extension. Default: no. It's
recommended to be disabled for security.
Enable pedantic parameter. Default: no.
If enabled, when TG gateway rejects "Register" or "Invite" packets, TG
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