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DPNSS Configuration
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DPNSS Services
Configuration options include the following:
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Cisco VG30D Voice Gateway User Guide
4-6
The Calling Party Category 'Operator' match string, Calling Party Category 'PSTN' match
string, Calling Party Category 'ISDN' match string and the Calling Party Category 'Decadic'
match string fields define the strings to be matched for each type CPC that can be generated in this
way.
Segment long ISRMs: When checked, this field allows the Cisco VG30D Voice Gateway to
generate ISRM(i) - SSRM(c) sequences where the incoming Q.931 Setup message that indicates
sending complete would result in a generated ISRM(c) that is exceeding the maximum DPNSS PDU
size.
Incoming Channel Mapping: If setting is configured to Fixed, the channel that is used by the
incoming call must get used for the outgoing call. If setting is configured to Switched, a different
channel may get negotiated in the outgoing Q.931 call, and the Cisco VG30D Voice Gateway will
switch the bearer channel internally.
Transparent Transport Service Support: This setting enables the generation of information that
is necessary to transport the original DPNSS messaging transparently across a QSIG network.
Re-attempt Transparency after transfer: If the box is checked, the Cisco VG30D Voice Gateway
will attempt to work transparently to a new destination following call transfer.
Enable Virtual Calls: Enabling virtual calls allows the Cisco VG30D Voice Gateway to process
non-bearer-related signalling used by many supplementary services.
SIC mapping for Telephony calls: This option allows a received "Speech" to be mapped to a Q.931
Bearer Capability of either "Speech" or "3k1 Audio". Additionally, progress indicators may also get
generated ("Speech + PI" or "3k1 Audio + PI").
Enable Data Calls: This option allows 64kBit unrestricted digital calls to be accepted by the Cisco
VG30D Voice Gateway.
Enable BSS-M and Enable BSS-P: These fields control the insertion of Bearer Service Selection
(BSS) strings by the Cisco VG30D Voice Gateway.
Enable CLC Mapping: If CLC mapping is enabled, the Cisco VG30D Voice Gateway will attempt
to map received Calling Line Category information into Q.931 Progress Indicators.
Enable RTI Mapping: If RTI mapping is enabled, the Cisco VG30D Voice Gateway will attempt
to map received routing information into Q.931 Progress Indicators.
Enable Text to Name Mapping: If option is enabled, the Cisco VG30D Voice Gateway will
generate QSIG Name Supplementary Service invocations from DPNSS Text strings.
Enable Three Party Working: This option allows the Cisco VG30D Voice Gateway to operate
DPNSS Call Transfer Services.
Enable Call Offer: This option allows the Cisco VG30D Voice Gateway to operate DPNSS Call
Offer Services.
Enable Route Optimisation Service: This option allows the Cisco VG30D Voice Gateway to
interwork the DPNSS Route Optimisation Service to the QSIG Path Replacement Service.
PBX accepts Route Optimisation Invite string: Normally checked, this option can get used to
suppress sending ROP-INV string to a DPNSS PBX that cannot accept it by unchecking the box.
Restrict Route Optimisation Call Ref. mappings: This option can be used to limit the length of
the embedded call reference when mapping it from the ROP-INV to Path Replacement.
Chapter 4
Management and Configuration
OL-19276-01
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