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5235 IP Phone SIP User and Administrator Guide
Shared Lines and Keys
There are three types of shared lines:
SIP: basic shared line with limited features (supports call forking but does not
have LED activity and lines are not linked. This type of shared line is available in
normal SIP mode).
•
• SIP_BLA line type: server-enhanced Sylantro Bridged Line Appearance line
type
• SIP_SCA line type: server-enhanced Broadworks Shared Call Appearance line
type
BLA and SCA line types allow calls and lines to be shared by multiple users. A SIP
server provides support for call presentation to multiple phones, call state notifications,
and access control. These two line types require the set to be in SIP Enhanced mode.
(See Using SIP Enhanced Mode on page
33.)
The SIP Enhanced mode shared lines are shared among users but only the user who
initiates activity on the line has full control over it. For example, if a user initiates a
conversation on a shared line, other users can not affect that conversation. If the shared
line is Ringing, or on Hold, any share user can pick up the line and be connected to the
calling/held party.
An exception to this scenario occurs when the server is configured to allow line seizure
by multiple lines. Mitel SIP phones support multi-call server programming.
Requirements for making calls and picking up held calls from shared lines are the same
as normal (non-shared) lines.
Shared Line Programming Requirements:
• Your Administrator must create a user entry (on the User List Config page of the
Web Configuration tool) for the user with whom you want to share a line.
• Your Administrator must configure the type of shared line (SIP, BLA, or SCA) in
the Line Type field on the User List Config page.
• Your Administrator must enable SIP Enhanced mode (on the Advanced
Features page) before SIP_BLA and SIP_SCA modes can be configured.
Programming Shared Line Keys
Note: For complete key programming settings, instructions, and phone layouts, refer to the
About the Key Programming Page topic in the Advanced Features section of the Web
Configuration tool online help.
1. Access the Key Programming page of the Web Configuration Tool.
2. Click the Key Number of the key you want to assign as a shared line.
3. From the Feature list, select Shared Line.
4. From the Context list, select the User ID with which to associate this key.
5. Enter a label/description for this key (optional).
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