2.18.12 ANSI ITU Conversion

Cross domain (ANSI/ITU) features

• Cross domain (ANSI/ITU) signaling can be MTP routed or GT routed.
• Cross domain conversion combination supported across domains are:
  • ANSI, ITU-I(S) ,ITU-N(S)
  • ITU-N24, ITU-I(S)
• Based on message type, ANSI/ITU Conversion supports UDT, XUDT, UDTS and XUDTS messages.
• The feature provides SCCP management (SCMG) across network type boundaries.
• This feature also provide support of China Point Code SCCP conversions to ITU-International.
• Without the GT Modification feature, VSTP performs the following translations on a per GTA basis: DPC and DPCSSN.
• Below table describes the fields modified within the Called party portion of the SCCP data of a MSU.
• The GTT Modification feature allows modification of all the fields of SCCP layer.
• The GTT Modification feature is activated by default that is no special activation process is required.
• The GTT Modification allows users to configure the Called Party / Calling Party modification data corresponding to each Global Title Address entry.

Table 2-19 Global Title Address entry

XLAT	Fields Modified
DPC	OPC	DPC	RI
DPCSSN	OPC	DPC	RI	SSN