Figure 5-1. Station Level Caller ID Forwarding Flowchart
Station makes an
outgoing call
Emergency number?Yes
Are station calling
party number and/or name
defined?
Is emergency calling
party number defined?
No
Are trunk group
calling party number and/or
name defined?
No
Name: N/A
Number: N/A
No
Number: Emergency calling party number
Name: Station calling party name if defined
Yes
Is OAI application
changing calling party name
and/or number?
Transferring a
trunk call ?
No
Station’s forward
original CID?
No
No
Send station
CID to attach PBX?
Yes
Yes
Name: Holding party name
Number: Holding party number
Yes
Yes
Name: OAI calling party name if defined
Number: OAI calling party number if defined
Name: Station calling party name
Number: Station calling party number
Yes
Name: Trunk group calling party name
Number: Trunk group calling party number
Yes
Force trunk
group calling party
name & number?
Yes
No
No
No
Trunk’s propagation
original Caller ID
Yes
No
Send Station CID
to attach PBX?
Yes
No
Name: Station Username
Number: Station Extension
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