Cisco Cisco IOS Software Release 12.4(4)T
SIP: CLI for Caller ID When Privacy Exists
Information About SIP: CLI for Caller ID When Privacy Exists
4
Cisco IOS Release 12.4(4)T
When presentation is allowed, the SIP: CLI for Caller ID When Privacy Exists feature enables the substitution
of the Calling Number for the missing Display Name in the SIP Remote-Party-ID and From headers. Upon
receipt of a Setup message where a name to follow is indicated, the Calling Number is not copied into the
Display Name.
of the Calling Number for the missing Display Name in the SIP Remote-Party-ID and From headers. Upon
receipt of a Setup message where a name to follow is indicated, the Calling Number is not copied into the
Display Name.
Also, the SIP Extensions for Caller Identity and Privacy on SIP gateway feature added the ability to hardcode
calling name and number in the SIP Remote-Party-ID and From headers. The SIP Extensions for Caller
Identify and Privacy feature settings take precedence over the SIP: CLI for Caller ID When Privacy Exists
feature settings.
calling name and number in the SIP Remote-Party-ID and From headers. The SIP Extensions for Caller
Identify and Privacy feature settings take precedence over the SIP: CLI for Caller ID When Privacy Exists
feature settings.
Note
The SIP: Calling Number Substitutions for the Display Name When the Display Name is Unavailable
option is available both globally and at the dial-peer level.
option is available both globally and at the dial-peer level.
See
for the call flow where the Calling Number is substituted for the Display Number.
Figure 2
Call Flow for Substituting the Calling Number for the Display Name When the Display
Name is Unavailable
Name is Unavailable
SIP: Calling Number Passing as Network-Provided or User-Provided
ISDN numbers can be passed along as network-provided or user-provided in an ISDN Calling Party
information element (IE) Screening Indicator field. The Cisco gateway automatically sets the Screening
Indicator to user-provided in SIP-to-ISDN calls.
information element (IE) Screening Indicator field. The Cisco gateway automatically sets the Screening
Indicator to user-provided in SIP-to-ISDN calls.
The SIP: CLI for Caller ID When Privacy Exists feature allows toggling between user-provided and
network-provided ISDN numbers for the screening indicator. Therefore, after bits 1 and 2 are set to reflect
network-provided, any existing screening information is lost. However, presentation information in bits 6 and
7 is preserved.
network-provided ISDN numbers for the screening indicator. Therefore, after bits 1 and 2 are set to reflect
network-provided, any existing screening information is lost. However, presentation information in bits 6 and
7 is preserved.
Note
The SIP: Calling Number Passing as Network-Provided or User-Provided option is available both
globally and at the dial-peer level.
globally and at the dial-peer level.
SIP gateway
Trunking
SIP gateway
Accounting
server
ISDN terminal
CallingPartyNumberIE:
Length=11
Type=0x41
Presentation Status=0x23
Presentation Status=0x23
Digits=19195550100
// Local (directory) number in ISDN
numbering plan (Rec. E.164)
// Presentation prohibited
of network-provided
number
of network-provided
number
Call Proceeding
INVITE sip:19195550101@10.0.0.0
CallingPartyNumberIE:
Length=11
Type=0x41
Presentation Status=0x03
Presentation Status=0x03
Digits=19195550102
// Local (directory) number in ISDN
numbering plan (Rec. E.164)
// Presentation allowed
of network-provided
number
of network-provided
number
Call Proceeding
INVITE sip:19195550100@10.0.0.0
146087
;party=calling;id-type=subscriber;privacy=off;screen=yes
Remote-Party-ID: “19195550102” <sip:19195550102@10.0.0.1>
From: “19195550102” <sip:19195550102@10.0.0.1>;tag=2
;party=calling;id-type=subscriber;privacy=off;screen=yes
Remote-Party-ID: “19195550102” <sip:19195550102@10.0.0.1>
From: “19195550102” <sip:19195550102@10.0.0.1>;tag=2