Extension Hunting to Voice Mail Routing Charts

The following charts show in detail how each type of hunting handles incoming calls.
Additional Feature Information
Extension Hunting to Voice Mail
Programming for this Feature
Programming Extension Hunting to Voice Mail
Important points to understanding the Extension Hunting Routing Charts
Type 1: Ring No Answer Line Routing Chart
Type 2: Ring No Answer/Busy Line Routing Chart
Type 3: Ring No Answer/Busy All Routing Chart
Type 4: Busy Line Routing Chart

Type 1: Ring No Answer Line Routing Chart

Ring No Answer Line (Type 1) Hunting to Voice Mail
Call Type Extension Idle Extension Busy Extension in DND
Ringing Intercom Call Does not hunt (use Call Forwarding instead).
Transferred Outside Call Rings for 1603-01: Transfer Recall Timer [System: Timers: Features: Recall (1603): Transfer Recall], then routes to mailbox. Flashes line key for 1601-03: Call Forward No Answer Timer [System: Timers: Features: Incoming (1601): CFWD No Answer], then routes to mailbox.
UTRF from Automated Attendant
STRF from Automated Attendant1 Rings for 4222-03: Screened Transfer Timeout [Voice Mail: Routing Mailboxes: Routing Mailbox: Routing Options (4222): STRF Timeout], then Automated Attendant prompts caller to leave a message. Automated Attendant immediately prompts caller to leave a message.
Direct Inward Line Rings for 1601-02: DIL No Answer Timer [System: Timers: Features: Incoming (1601): DIL No Answer], then routes to mailbox. Follows night route for the line.
1 See Screened Transfer for more.

Type 2: Ring No Answer/Busy Line Routing Chart

Ring No Answer / Busy Line (Type 2) Hunting to Voice Mail
Call Type Extension Idle Extension Busy Extension in DND
Intercom Does not hunt (use Call Forwarding instead).
Transferred Outside Call Rings for 1603-01: Transfer Recall Timer [System: Timers: Features: Recall (1603): Transfer Recall], then routes to mailbox. Call goes immediately to mailbox.
UTRF from Automated Attendant
STRF from Automated Attendant1 Rings for 4224-03: Screened Transfer Timeout [Voice Mail: Routing Mailboxes: Routing Mailbox: Directory Options (4224): STRF Timeout], then Automated Attendant prompts caller to leave a message. Automated Attendant immediately prompts caller to leave a message.
Direct Inward Line Rings for 1601-02: DIL No Answer Timer [System: Timers: Features: Incoming (1601): DIL No Answer], then routes to mailbox. Call goes immediately to mailbox. Follows night route for the line.
1 See Screened Transfer for more.

Type 3: Ring No Answer/Busy All Routing Chart

Ring No Answer / Busy All (Type 3) Hunting to Voice Mail
Call Type Extension Idle Extension Busy Extension in DND
Intercom Ringing Intercom call rings for 1601-03: Call Forward No Answer Timer [System: Timers: Features: Incoming (1601): CFWD No Answer], then routes to mailbox. Voice-announced Intercom calls do not hunt. Call goes immediately to mailbox.
Transferred Outside Call Rings for 1603-01: Transfer Recall Timer [System: Timers: Features: Recall (1603): Transfer Recall], then routes to mailbox.
UTRF from Automated Attendant
STRF from Automated Attendant1 Rings for 4224-03: Screened Transfer Timeout [Voice Mail: Routing Mailboxes: Routing Mailbox: Directory Options (4224): STRF Timeout], then Automated Attendant prompts caller to leave a message. Automated Attendant immediately prompts caller to leave a message.
Direct Inward Line Rings for 1601-02: DIL No Answer Timer [System: Timers: Features: Incoming (1601): DIL No Answer], then routes to mailbox. Call goes immediately to mailbox. Follows night route for the line.
1 See Screened Transfer for more.

Type 4: Busy Line Routing Chart

Busy Line (Type 4) Hunting to Voice Mail
Call Type Extension Idle Extension Busy Extension in DND
Intercom Does not hunt (use Call Forwarding instead).
Transferred Outside Call Does not hunt (use Call Forwarding instead). Call goes immediately to mailbox.
UTRF from Automated Attendant Rings for 1603-01: Transfer Recall Timer [System: Timers: Features: Recall (1603): Transfer Recall], then routes to mailbox.
STRF from Automated Attendant1 Rings for 4224-03: Screened Transfer Timeout [Voice Mail: Routing Mailboxes: Routing Mailbox: Directory Options (4224): STRF Timeout], then Automated Attendant prompts caller to leave a message. Automated Attendant immediately prompts caller to leave a message.
Direct Inward Line Does not hunt (use Call Forwarding instead). Call goes immediately to mailbox. Follows night route for the line.
1 See Screened Transfer for more.