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MultiVOIP FXS User Guide Technical Configuration
71
The Caller ID feature has dependencies on both the telco central office and the MultiVOIP phone book. See
the diagram series below.
IP
Network
xxxyyyzzzz
J.Q. Public
xxxyyyzzzz
J.Q. Public
Central Office
with
standard telephony
Caller ID service
Terminating
VoIP
Generating
VoIP
SIP
Protocol
Call is received
here.
Call originates here
at 1:42pm, May 31.
phone of:
Melvin Jones
763-555-8794
Display shows:
CID Number: 763-555-8794
CID Name: Melvin Jones
Time Stamp: Date: 05/31
Time:1:42pm
Clock:
5-31,
1:42pm
FXS
FXO
CID Flow
CID
CID
Figure 5-1: Voip Caller ID Case #1 – Call, through telco central office with standard CID, enters
voip system
IP
Network
xxxyyyzzzz
J.Q. Public
Terminating
VoIP
Generating
VoIP
Call is received
here.
Call originates here
at 4:51pm, Oct 3.
phone of:
Nigel Thurston
763-555-9401
Display shows:
CID Number: 423
CID Name: Anoka-Whse-VP3
Time Stamp: Date: 10/03
Time: 4:51pm
Clock:
10/03, 4:51pm
FXS
FXS
CID Flow
Phone Book Configuration
Gatekeeper RAS Parameters
Q.931 Parameters
Gateway Name:
Anoka-Whse-VP3
Inbound Phone Book
423
Remove Prefix Add Prefix Forward/Addr
{Channel 1}
748
CID
CID
Ch4
Ch3
Ch2
Ch1
xxxyyyzzzz
J.Q. Public
401
402
403
404
Figure 5-2: Voip Caller ID Case #2 – Remote FXS call on SIP voip system