Aastra Dialog 4422ip Dialog 4422 IP Office (SIP) for MX-ONE, user guide - Page 68
Night Service, Malicious Call Tracing, Common Night Service, Individual Night Service, Order
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Other Useful Features Night Service When the telephone system is in Night Service mode, all your incoming calls to the operator are transferred to a selected extension or group of extensions. The telephone system has two different Night Service modes: Common Night Service All incoming calls to the operator are transferred to one specific extension. Answer the call in the normal way. Individual Night Service Selected external calls to the operator are transferred to one specific extension. Answer the call in the normal way. Malicious Call Tracing When a malicious call is received a signal can be sent to the switched telephone network (PSTN) before a call is disconnected. If the calling subscriber clears the call, the external line can be held for a limited period of time to invoke the malicious call tracing (MCT). Ô Line/Hold *39# Order Put the call on hold by pressing. Dial. If the request is successful, an acknowledge tone is heard. If the request fails, a reject tone is heard. 68 Dialog 4422 IP Office