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2. When User / IP-Phone call “0943123123”, iPBX will automatically dial “0943123123” to SIP
Proxy Server.
3. When User / IP-Phone call “43123123”, iPBX will automatically dial “0943123123” to SIP Proxy
Server.
How to setting call out by SIP trunk / FXO (PSTN)trunk / Gateway trunk ?
Step 1. Create SIP Trunk or Gateway Trunk
1.1 For example create 4 SIP Trunk accounts to register ITSP.
Figure 3-23. SIP provider list
1.2 For example create 4 Gateway Trunk IP Address and Port
Figure 3-24. Gateway trunk list
Step 2. Create SIP Trunk Group Number or Gateway Trunk Group Number
2.1 Group number “001” means you want Group these 4 SIP Trunk (SIP_Trunk_1)
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