Button Usage
Single-CO (S-CO) Used to access a specified trunk for making or receiving calls.
DN A type of button specific to SIP phones. For details, refer to the
telephone
’s documentation.
One-Touch Used to dial a specified number or feature. For details, refer to the
telephone
’s documentation.
Login/Logout
Used to switch between log-in and log-out mode. (® 2.2.2.8 Log-in/
Log-out)
Contact (DSS) Access another extension with one touch. Unlike a One-Touch
button, this
type of button cannot be used to dial feature numbers.
Wrap-up Used to switch between the Wrap-up/Not Ready and Ready modes.
(® 2.2.2.8 Log-in/Log-out)
Call Park
Place the current call into a parking zone of the PBX. (® 2.13.2 Call
Park) There are two modes:
• Specific: Place the call into the specified park zone.
• Automatic: The telephone searches for an idle park zone from among
those assigned to its own flexible buttons.
Conditions
• S-PSs can operate only under a SIP
-CS. They are not compatible with other types of CSs (e.g., IP-CSs).
Also, other types of PSs cannot operate under a SIP-CS.
• SIP-CSs can operate under the same PBX as other types of CSs (e.g., IP-CS) so long as each type’s
wireless range does not overlap with the other.
• To allow roaming to a remote location, a SIP-CS must be installed at the remote location, and the
SIP-CS’s SIP server must be the same PBX to which the S-PS is registered.
For example, in the following figure if the S-PS is registered to the PBX, it can roam between SIP-CS (A)
and SIP-CS (B) because they both use the PBX as their SIP server.
VPN
Router Router
PBX
IP Network
: SIP server connection
: LAN
Roaming
SIP-CS (A) SIP-CS (B)
• DSP Resource Usage
Feature Guide 491
5.2.2 SIP (Session Initiation Protocol) Extension
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