Cisco Cisco Packet Data Interworking Function (PDIF)
SS7 Routing Domain Configuration Mode Commands
ssf ▀
Command Line Interface Reference, StarOS Release 17 ▄
8667
ssf
This command sets the network indicator in the subservice field for SS7 message signal units (MSUs).
Product
SGSN
HNB-GW
Privilege
Security Administrator, Administrator
Mode
Exec > Global Configuration > SS7 Routing Domain Configuration
configure > ss7-routing-domain routing_domain_id variant variant_type
Entering the above command sequence results in the following prompt:
[local]host_name(config-ss7-routing-domain-ss7rd_id)#
Syntax
ssf ( international | national | reserved | spare }
international
The network indicator identifies the message as international with a point code structure that does not match
the national point code structure,
the national point code structure,
national
The network indicator identifies the messages as having a national point code structure.
reserved
Provides an alternate network indicator for national messages.
spare
Provides an alternate network indicator for international messages.
Usage
In SS7 signaling, the Message Transfer Part (MTP) Level 2 message signal units (MSUs) contain a service
information octet (SIO). The SIO field in an MSU contains a 4-bit subservice field (SSF) followed by a 4-bit
service indicator. The indicator carried in the message’s routing information typically identifies the structure
of the point code as a message from within a nation or as a message coming from outside the nation -
international. As well, the 4-bit SSF determines the point code structure of the messages transmitted from the
SGSN.
information octet (SIO). The SIO field in an MSU contains a 4-bit subservice field (SSF) followed by a 4-bit
service indicator. The indicator carried in the message’s routing information typically identifies the structure
of the point code as a message from within a nation or as a message coming from outside the nation -
international. As well, the 4-bit SSF determines the point code structure of the messages transmitted from the
SGSN.
Example
For messages being transmitted within a country, set the indicator to national with the following command.
ssf national