Version 7.2 1099 Mediant 1000B Gateway & E-SBC
User's Manual 62. Configuration Parameters Reference
Parameter Description
Default Cause Mapping From
ISDN to SIP
dflt-cse-map-isdn2sip
[DefaultCauseMapISDN2IP]
Defines a single default ISDN release cause that is used (in ISDN-to-
IP calls) instead of all received release causes, except when the
following Q.931 cause values are received: Normal Call Clearing
(16), User Busy (17), No User Responding (18), or No Answer from
User (19).
The range is any valid Q.931 release cause (0 to 127). The default is
0 (i.e., not configured - static mapping is used).
Enable Calling Party
Category
ni2-cpc
[EnableCallingPartyCategory]
Enables the mapping of the calling party category (CPC) between the
incoming PSTN message and outgoing SIP message, and vice versa
(i.e., for IP-to-Tel and Tel-to-IP calls). The CPC characterizes the
station used to originate a call (e.g., a payphone or an operator).
 [0] Disable = (Default) CPC is not relayed between SIP and PSTN.
 [1] Enable
The CPC is denoted in the PSTN message as follows:
 ISDN PRI NI-2: In the Originating Line Information (OLI)
Information Element (IE) of the ISDN Setup message.
 MFC-R2: ANI II digits. The device supports the Brazilian and
Argentinian variants. This regional support is configured using the
CallingPartyCategoryMode.
The CPC is denoted in the SIP INVITE message using the 'cpc='
parameter in the From or P-Asserted-Identity headers. For example,
the 'cpc=' parameter in the below INVITE message is set to
"payphone":
INVITE sip:bob@biloxi.example.com SIP/2.0
To: "Bob" <sip:bob@biloxi.example.com>
From: <tel:+17005554141;cpc=payphone>;tag=1928301774
The table below shows the mapping of CPC between SIP and PSTN:
SIP CPC NI-2 PRI MFC-R2
Argentina Brazil
ordinary 23 II-1 II-1
priority n/a II-2 II-2
data n/a II-6 II-6
test n/a II-3 II-3
operator 35 II-5 II-5
payphone 70 II-4 II-7
unknown n/a II-1 II-1
subscriber 23 n/a II-1
cellular 61 II-13 n/a
locutorio n/a II-11 n/a
servicio-publico n/a II-12 n/a
red-privada-virtual /
private-virtual-
network
n/a II-14 n/a
linea-especial /
special-operator-
handling-required
n/a II-15 n/a
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