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Cisco Cisco IOS Software Release 12.4(4)T

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SIP: CLI for Caller ID When Privacy Exists
  Information About SIP: CLI for Caller ID When Privacy Exists
3
Cisco IOS Release 12.4(4)T
Figure 1
Call Flow for Blocking Caller ID Information When Privacy Exists
SIP: Calling Number Substitution for the Display Name When the Display Name 
is Unavailable
When the Display information element (IE) in a PSTN-to-SIP call is not available with a Setup message, the 
Cisco gateway leaves the Display Name field in the SIP Remote-Party-ID and From headers blank. 
SIP gateway
Trunking
SIP gateway
Accounting
server
ISDN terminal
CallingPartyNumberIE:
   Length=11
 Type=0x41
 Presentation Status=0x23
 Digits=19195550100
DisplayTextIE:
    Length=9
DisplayType=0x8D
   DisplayInformation=User1
// Local (directory) number in ISDN
numbering plan (Rec. E.164)
// Presentation prohibited
of network-provided
number
// CallingPartyName
Call Proceeding
INVITE sip:19195550101@10.0.0.0
From: <sip:10.0.0.1.com>;tag=2
CallingPartyNumberIE:
   Length=11
 Type=0x41
 Presentation Status=0x23
 Digits=19195550100
DisplayTextIE:
    Length=9
DisplayType=0x8D
   DisplayInformation=User1
// Local (directory) number in ISDN
numbering plan (Rec. E.164)
// Presentation prohibited
of network-provided
number
// CallingPartyName
Call Proceeding
INVITE sip:19195550101@10.0.0.0
From: <sip:10.0.0.1.com>;tag=2
146087
Table 1
Presentation to Privacy Mapping with CLI Disabled
Presentation Indicator
From Remote Party ID (RPID)
Presentation Allowed
From: “User1” <sip:19195550100@10.0.0.0>;tag=1
Remote-Party-ID: “User1” 
<sip:19195550100@10.0.0.0>;party=calling;privacy=off
Presentation Prohibited
From: “User1” <sip:19195550100@10.0.0.0>;tag=1
Remote-Party-ID: 
“User1”<sip:19195550100@10.0.0.0>;party=calling;privacy=full
Table 2
Presentation to Privacy Mapping with CLI Enabled
Presentation Indicator
From RPID
Presentation Allowed
From: “User1” <sip:19195550100@10.0.0.0>;tag=1
Remote-Party-ID: 
“User1”<sip:19195550100@10.0.0.0>;party=calling;privacy=off
Presentation Prohibited
From: <sip:10.0.0.0>;tag=1
Remote Party ID not sent