1.
SIP Trunk 2 Overview
xxx.xxx.xxx.xxx
SIP Trunk 2
To:<sip:
0312345678
@
000.000.000.000
>
From: <
sip:0312123434@xxx.xxx.xxx.xxx
>
To:<sip:
0312345678
@
000.000.000.000
>
Recipient number is set “To header” and “Alert-
Into” in SIP messages for Incoming call.
See section 4 ”Technical Data" for more details.
From: <
sip:0312123434@xxx.xxx.xxx.xxx
>
Caller ID must be set “From header” for outgoing call.
See section 4 ”Technical Data" for more details.
Your IP-PBX
0000.0000.0000.0000
Ext. 200
Ext. 201
DID:
0312123434
DID:
0312345678
Ext. 200
Ext. 201
Image 1. Configuration Diagram of Incoming/Outgoing Calls
Call TO in case DID :
“0312345678
”, ext. 200 will ring.
Call TO in case DID : “
0312123434
”, ext 201 will ring.
5
Call TO in case DID : “
0312123434
”, ext 201 will ring.
Outgoing call from ext. 200, “
0312345678
” is set as caller ID
Outgoing call from ext. 201, “
0312123434
” is set as caller ID.