Operation Manual
Configuring Lines
Configuring a Line Key
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 38
2
Call information (such as calling party or called party) displays on all devices that 
are sharing a line. If one of the devices turns on the Privacy feature, other devices 
that share the line will not see outbound calls that are made from the device that 
turned on privacy. All devices will still see inbound calls to the shared line. 
Devices with shared-call appearances can initiate independent transfer or 
conference transactions. 
When a call is made to the extension number for the shared-call, all sharing 
Cisco SPA IP phones ring. Any IP phone can answer the call. If the active phone 
places the shared call on hold, the call can be resumed from any of the sharing 
Cisco SPA IP phones by pressing the corresponding line key (except for the 
Cisco SPA502G) or the Select button when the Resume icon is displayed 
(Cisco WIP310). 
The Cisco SPA300 Series and Cisco SPA500 Series IP phones support the private 
hold feature for MetaSwitch and BroadSoft. Users who have a shared line can 
press PrivHold, and the call can only be resumed by the user who placed the call 
on hold.
Each IP phone can be configured independently. Although the account information 
is usually the same for all of the Cisco SPA IP phones, settings such as the dial plan 
or the preferred codec can vary between phones and continue to support shared-
line appearance. 
To configure the line:
STEP 1 Click Admin Login > advanced > Voice.
STEP  2 Click the Ext_n tab of the extension that is shared (do not use Ext 1).
STEP  3 Under General in the Line Enable list, choose yes.
STEP  4 Under Share Line Appearance in the Share Ext list, select shared. If you set this 
extension to private (not shared), the extension does not share calls, regardless of 
the Share Call Appearance setting on the Phone tab. If you set this extension to 
shared, calls follow the Share Call Appearance setting on the Phone tab. On the 
Cisco SPA500 Series phones that have line buttons, a hollow telephone icon is 
displayed next to the shared line button. For the Cisco SPA525G or 
Cisco SPA525G2, a telephone icon is displayed.
STEP  5 In the Shared User ID field, enter the user ID (name) of the phone with the extension 
that is being shared.
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