Yeastar Technology S300 - Page 80

S-Series IP PBX Administrator Guide
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The system supports 4 email subjects.
1) Email Subject: Destination Phone Number
If you choose this format, you don’t need to set access code.
2) Email Subject: port:Port Number-Destination Phone Number
If you choose this format, you don’t need to set access code.
3) Email Subject: 500:Access Code-Destination Phone Number
4) Email Subject: 500:Access Code- port: Port Number-Destination Phone Number