Linksys SPA921 - Cisco - IP Phone Installation And Configuration Manual page 101

Configuring Phone Service and Voice Mail
Configuring Inbound Call Routing
STEP 1
SPA9000 Voice System Installation and Configuration Guide for Web UI
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-<Extn1> The extension will not be alerted when there is an incoming call to
the DID number. However, the DID number will be used as the local user-ID in
outbound SIP requests, along with the display-name of the extension.
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DIDn#: DID number, matching the format of the number signaled in the SIP trunk
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Extn#: Target extension number or aa for Auto Attendant
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Default route: The default route (extension, hunt group or Auto Attendant) to be
used in case the incoming target number does not match any of the DID
numbers in the contact list with the format described in the sections above.
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Call forward: Optionally, add call forward information to the Contact List to
specify how unanswered calls are handled.
It is useful to add call forward information to ensure that calls are answered
NOTE
when the designated phone is unstaffed, as may be the case during lunch
time or after hours. If the call is not answered within a specified time, it is
routed to another phone or to the Auto Attendant.
SYNTAX: <DIDn1>:+<Extn1>,cfwd=<target> |
<DIDn2>:+<Extn2>,cfwd=<target> |
<DIDn3>:+<Extn3>,cfwd=<target>
EXAMPLE: 4085555550:aa | 4085555551:+101,cfwd=aa |
4085555552:+102 | 4085555553:+103 | 4085555554:+104 |
4085555650:+500
Plan the DID-to-extension mapping. Refer to the following example.
DID Number Extension Number
408-555-5550 aa
408-555-5551 101
408-555-5552 102
408-555-5553 103
408-555-5554 104
408-555-5650 500
User
Auto Attendant
User 1
User 2
User 3
User 4
Support (hunt) group
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