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Cisco PGW 2200 Softswitch Release 9.8 Software Installation and Configuration Guide
OL-18083-01
Appendix A XECfgParm.dat File Parameters
Understanding the XECfgParm.dat File Format
SipToIsupInterworkingInd Only applicable with SIP to ISUP (or ISUP to SIP) calls.
When the Cisco PGW 2200 Softswitch receives a SIP
message with encapsulated ISUP (SIP-T, SIP-GTD), it sets
the FCI/BCI parameter in the generated ISUP message so
that all interworking-related bits have the same values as
their counterparts in the encapsulated ISUP.
If usable encapsulated ISUP is not present in the SIP
message, the Cisco PGW 2200 Softswitch sets the
Interworking Indicator bit of the FCI/BCI parameter to no
interworking; the ISDN User Part Indicator to ISUP used all
the way and the Originating Access indicator to Originating
access non-ISDN.
Service providers can set the Cisco PGW 2200 Softswitch
property SipToIsupInterworkingInd to 1, which signals in
the FCI/BCI parameter in the generated ISUP message that
interworking has been encountered and ISUP is not used all
the way when encapsulated ISUP is not present in SIP
message.
Values:
• 0—No interworking encountered
• 1—Interworking encountered
Default Value: 0
Note If the property is absent from the XECfgParm.dat
file, Cisco PGW 2200 Softswitch assumes a default
value of 0.
Protocol Family: Applicable to all ANSI, Q.761 and Q.767
ISUP variants.
SIP.udp2tcp_byte_xover
(Added in Release 9.8(1))
Determines the SIP message size (in bytes) above which the
Cisco PGW 2200 Softswitch switches to TCP transport.
This property applies to outgoing SIP traffic only.
Valid values: Integer
• 0 = The Cisco PGW 2200 Softswitch does not switch
from UDP to TCP regardless of the SIP message size.
• 1–10000 = The Cisco PGW 2200 Softswitch switches to
TCP transport for messages above the specified size (in
bytes).
Note This property overrides the siptransportmode
parameter.
Default: 0
Table A-1 Cisco PGW 2200 Softswitch 9.x XECfgParm.dat File Configuration Parameters
Configuration Parameter Definition