203
• O if the terminating PBX fails to obtain the calling name (for example, the originating PBX end
does not send it)
The FXS voice subscriber line sends the calling identity information to the called telephone. The
calling identity information is sent to the called telephone through FSK) modulation between first and
second rings. Therefore, the called user must pick up the telephone after the second ring to be sure
that the calling identity information is sent and received correctly. Otherwise, the calling identity
information might fail to be displayed.
CID on the FXO voice subscriber line
The FXO voice subscriber line receives the calling identity information from the PBX. The FXO
interface receives the modulation information of the calling identity information from the PBX
between the first and second rings. This is the default situation. You can configure the Time for CID
Check on the FXO line configuration page to configure the time for CID check.
The calling identity information then undergoes FSK demodulation and parity check. The function of
sending calling identity information is checked after the parity check succeeds. If the function is
enabled, the calling identity information (indicating that the calling identity information is received) is
sent. Otherwise, the character P or O is sent.
Support for SIP voice service of the VCX
Together with a server, the VCX implements the application of multiple voice features such as Silent
Monitor, Camp On, and FwdMail Toggle by using proprietary SIP messages of Hewlett Packard
Enterprise.
Configuring call services of a local number
Configuring call forwarding, call waiting, call hold, call
transfer, and three-party conference
Select Voice Management > Local Number from the navigation tree, and then click the icon of
the local number to be configured to access the call services configuration page as shown in Figure
58
7.
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