Welltech Dialogic SS7 Protocols ISUP - Manual (Page 178)

Appendix A: ISUP National Variants
178
* Refer to Section 6.5 on page 26 and Section 6.6 on page 54 for details.
Parameters
When this variant is selected, the following French ISUP specific parameters
may be used:
Parameter Value
French ISUP API
Length Parameter Name
Hex Dec Hex Dec
Mandatory/
Optional
Parameter
Min Max
Message
used
Comments
Called directory
number [Numéro
d’annuaire du
demandé] 0x7d 125 0x1ed 493 Optional 2 18 IAM
Charge unit number
[Nombre d’unités de
taxation] 0xc3 195 0xff* 255* Mandatory 1 1 ITX Maps to
number of
metering
pulses
parameter
(API).
Message number
[Nombre de
messages] 0xc2 194 0xd7 215 Mandatory 1 1 ITX
* Refer to Section 6.7 on page 80 for details.
A.7 China ISUP
China ISUP Specification: YDN 038 (1997)
Configuration and options
In order to use this feature, ISPGVAR_CHN must be set in the ‘variant’ field in
the Configure Circuit Group Request message (see Section ) 8.2 on page 126 .
For China ISUP, set the circuit group options as recommended for the ‘ITU’
variant (refer to Appendix D: ISUP Configuration Option Settings on page
193 ). In addition to these recommended option settings, the ISPF_24PC
module option (bit 8 in the ‘options’ field) and the ISPXGOP_24PC circuit
group option (bit 14 in the ‘extended options’ field) must also be set. The
ISPX1GOP_CCL circuit group configuration option (bit 8 in the ‘more extended
options’ field) applicable only to China ISUP, may optionally be set to enable
either a Calling Party Clearing Indication or a Release Indication to be sent to
the user application.