Panasonic KX-TVA50 installation manual Follow-on ID or Called Party ID

5.1.3 PBX Requirements for Inband Integration

Follow-on ID or Called Party ID

When forwarding or transferring a call to the VPS, a PBX with Follow-on ID sends the mailbox number of the called subscriber to the VPS before connecting the caller. The VPS responds by playing that subscriber’s personal greeting. This operation is sometimes called Call Forward to Mailbox. Without this feature, the VPS cannot immediately play the called extension’s greeting message when the line is busy or there is no answer because the VPS does not know which mailbox to send the caller to.

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Installation Manual Document Version 3.0 2010/06