User`s manual

Scenario 21 : SIP VoIP Call : Register to SIP Proxy Server

Gateway 2 <----> Gateway 1 (Remote Call PSTN number with PBX)

Call Method : Two-Stages-Dialing

Gateway#1

Gateway#2

801

609, 0, 23221344

801

WAN

SIP Call (SIP Proxy Server Mode) with PBX: Remote Call PSTN number

Method: Two-Stages-Dialing

Extension 609

Extension 601

901

PSTN

Trunk-Line

02-23221344

GW1: 801

GW2: 901,609

SIP Proxy Server