Cisco Cisco Packet Data Interworking Function (PDIF)
CSCF Signalling Compression Configuration Mode Commands
▀ compression-mode
▄ Command Line Interface Reference, StarOS Release 18
3402
compression-mode
Configures the dynamic compression mode to be used while sending a SigComp message. Simple dynamic mode is the
default.
default.
Product
SCM
Privilege
Administrator
Mode
Exec > Global Configuration > Context Configuration > CSCF Service Configuration > SIP Proxy Configuration >
Signaling Compression Configuration
Signaling Compression Configuration
configure > context context_name > cscf service service_name > rfc3261-proxy > sigcomp
–or–
Exec > Global Configuration > Context Configuration > CSCF Service Configuration > Proxy-CSCF Configuration >
Signaling Compression Configuration
Signaling Compression Configuration
configure > context context_name > cscf service service_name > proxy-cscf > sigcomp
Entering the above command sequences results in the following prompt:
[context_name]host_name(config-sigcomp)#
Syntax
compression-mode { multiple-dynamic | simple-dynamic | static | update-dynamic }
default compression-mode
multiple-dynamic | simple-dynamic | static | update-dynamic
Default:
simple-dynamic
multiple-dynamic
: A maximum of four dynamic states will be created per compartment. The dynamic
states are updated for each message by deleting the oldest dynamic state and creating the new one. The
dynamic states will be updated in FIFO (First In, First Out) order.
dynamic states will be updated in FIFO (First In, First Out) order.
simple-dynamic
: Only one dynamic state will be created per compartment. The same state will be used for
compression.
static
: No dynamic states will be created. Only static dictionary will be used for compression.
update-dynamic: Only one dynamic state will be created per compartment, but the dynamic state will be
updated for every new message.
updated for every new message.
default compression-mode
Returns the dynamic compression mode to simple dynamic.
Usage
Use this command to configure the dynamic compression mode to be used.
Example
The following command sets the compression mode to multiple dynamic:
compression-mode multiple-dynamic