System Preferences

This topic describes the preference settings that will be applied globally to Yeastar P-Series PBX System.

Go to PBX Settings > Preferences to configure preferences settings.

Basic preferences

Table 1.
Setting	Description
Device Name	Set a name for the PBX. The name will be used as the sender name when PBX sends emails out.
Name Display Format	Set display format for extension user's name and contact's name. First Name Last Name with Space Inbetween Last Name First Name with Space Inbetween Last Name First Name without Space Inbetween
Max Call Duration (s)	Set the global maximum call duration for an active call. When the call duration reaches the limit, the call will be ended. The default value is 10800. Note: For outbound calls, the Max Call Duration (s) setting of the caller's extension takes precedence.
FXO Mode	Select a mode to set the On Hook Speed, Ringer Impedance, Ringer Threshold, Current Limiting, TIP/RING voltage, adjustment, Minimum Operational Loop Current, and AC Impedance as pre-defined for your country's analog line characteristics.
Tone Region	Select your country or the nearest neighboring country to enable the default dial tone, busy tone, and ring tone.
Flash-Hook Event	Set which event will be triggered by pressing the hook flash. 3-Way Calling Call Transfer
Virtual Ring Back Tone	If enabled, when the caller calls out via cellular trunk, the caller will hear the virtual ring back tone generated by the system before the callee answers the call.

Table 2.
Setting	Description
Organization Management	If enabled, you can arrange extension users into organizations.
Company Name	Set your company name, which will be used as the root organization name.


Setting	Description
Internal Chat	The option is enabled by default. If disabled, extension users will NOT be able to access and use the internal chat feature (Instant Messaging, IM) on their Linkus UC clients. Note: The Linkus UC clients that can apply this setting are as listed below: Linkus Mobile Client Linkus iOS Client: Version 5.2.9 or later Linkus Android Client: Version 4.13.16 or later Linkus Desktop Client macOS Desktop: Version 1.2.10 or later Windows Desktop: Version 1.2.14 or later Linkus Web Client

Table 3.
Setting	Description
Display Call Feature Name	If enabled, the Caller ID will display the originated name when users receive a call from a ring group, queue, and IVR.
Display DID/DDI Name	If enabled, the Caller ID will display the DID name of the source trunk.

Table 4.
Setting	Description
DTMF Passthrough	If enabled, PBX will pass DTMF tones directly to the other end without processing the DTMF tones.
DTMF Duration (ms)	Set the duration (in millisecond) of DTMF audio signal sent by the PBX. The default value is 120.
DTMF Gap (ms)	Set the interval (in millisecond) between two DTMF audio signals sent by the PBX. The default value is 120.

Below are default extension ranges. You can change the extension range according to your needs.

Note: PBX treats the followings as extensions. Extension users can dial extension numbers to reach them directly.