TIE TRUNKS
Description
Provides a private communications link between System 25 and another PBX.
Incoming tie trunk calls may be directed to the attendant, to a voice terminal, or to a data endpoint. Service may be either automatic, immediate dial, delay dial, or wink start. Dial pulse or
Considerations
Tie Trunks provide for efficient communications between company employees at different locations. This provides a private network whose control and utilization can be managed.
Tie trunks can be administered for tandem trunking in R1V2. This arrangement enables users to call through an intermediate System 25 to a remote System 25 or other PBX. Refer to the “Tandem Trunking” subsection for more information.
Interactions
●Conference: A tie trunk that is part of a conference counts as one of two allowable outside parties.
●Direct Group Calling: Only automatic incoming tie trunks can be directed to a DGC group; however, they are not eligible for DGC delay announcement.
group is busy, Busy Tone is returned to the caller).
● Night Service:
●Personal Lines: When a
line | is used for outgoing service at the | same time that a call is coming in on the line, |
the terminal may be connected to the | incoming call even though the call is intended | |
for | another terminal that shares the | line. For this reason, it is recommended that |
tie | trunks not be assigned as Personal | Lines. |
Administration Requirements
Trunk Port:
●Assign Trunk Type And Number
●Assign Class Of Service Code -
● Assign Facility Access Code - Default = 102
● Allow Dial Access (Yes, No) - Default = Yes
●For
●Make This a Directed Night Service Trunk (Yes, No) - Default = Yes
