
P-2302HW/HWL-P1 Series User’s Guide
188 Chapter 13 VoIP Trunking
The ZyXEL Device at A sends outgoing authentication to the remote peer device.
The remote peer device confirms that the username and password match an account in
its incoming authentication list.
The remote peer device forwards the call to Sales1.
Sales1 picks up and the call commences.
Table 78 PSTN to PSTN: VoIP Trunking Call Progression (continued)
MANAGER HEADQUARTERS BRANCH OFFICE SALES1
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