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In the case in which the APRI of the Calling Party Number is set to “restricted”, the From header URI will be as follows:
From: anonymous<sip:anonymous@anonymous.invalid>In the case in which the APRI of the Calling Party Number is set to “allowed”, the From header URI will be as follows:
From: "Dialogic"<sip:4444@10.129.44.22>There are some instances that the remote SS7 carrier will not want the Generic Name Parameter sent to them in the IAM. In this case the Generic Name can be stripped from the IAM message by configuring the SS7 Parameter Filter to strip the Generic Name from the IAM. See IMG 1010 - SS7 Parameter Filter link
The Remote Party ID will be interworked only if the parameter "party" is set to "calling".
If the parameter "privacy" is not included in the RPID both the Calling Party Number and Generic Name will be allowed
The Generic Name will be restricted to 15 characters in the Remote Party ID Display portion
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The Privacy Header carries the APRI of the Calling Party Number and the mapping is shown above
The P-Asserted Identity Header display-name portion is mapped into the Generic Name field
The P-Asserted Identity Header user name portion (if digits) is mapped to the address digits of the Calling Party Number
A maximum of 15 characters from the P-Asserted Identity Header will be placed into the Generic Name field.
If there is both a Remote Party ID header and a P-Asserted Identity Header in the INVITE message the P-Asserted Identity Header Values will take precedence.
To configure Privacy and P-Asserted Identity Headers see the IMG 1010 - Configuring SIP Privacy link
Mapping the Screen Parameter to IAM
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Parameter "screen" value | Screening Indicator of Calling Party Number |
|---|---|
screen = yes | SI = Network Provided |
screen = no | SI = User Provided / Not Screened |
parameter "screen" not present or invalid value | SI = User Provided / Not Screened |
Related Topics:
IMG 1010 - SIP Privacy Overview