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Advanced Operational Features
6-16 41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Advanced Operational Features
2The "Missed Call Summary Subscription" field is disabled by default. To enable this field, check
the box.
This feature allows missed calls that have been redirected by the server, to be incremented in the
missed calls indicator on the phone it was initially directed to. For example, phones A, B, and C are
connected to the server. You configure the server to direct calls coming into phone B (which has
voicemail configured) to be forwarded to phone C. When phone A calls sip missed call summary
subscription parameter, phone B receives notification from the server that the call was forwarded
and the missed calls indicator is incremented on phone B.
Note: You must configure voicemail on the phone that the call was initially directed to (phone B in the
above example).
3The "Missed Call Summary Subscription Period" field is enabled with a default value of 86400. To
disable this field, enter zero (0), or leave the field blank.
4 Click to save your changes.
Per-Line Configuration
1 Click on Advanced Settings->Line <N>->Advanced SIP Settings.
2 Click to save your changes.
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