HP-UX C SIP Stack Programmer's Guide (Novembery 2007)

396 HP-UX C SIP Stack Programmer’s Guide
Configuration Parameters
 Element Pool
M
ESSAGE POOL Used to hold and process all incoming and outgoing messages in the form of
encoded messages or message objects. It is recommended that you configure the
page size to the average message size your system is expected to manage.
messagePoolNumofPages
The message pool page number.
Default Value: –1
Remarks: Group B parameter: messagePoolNumOfPages =
max (2.5*maxTransactions, 4)
messagePoolPageSize
The message pool page size.
Default Value: 1536
Remarks: Group A parameter
G
ENERAL POOL Used by SIP Stack objects, such as call-legs and transactions, to store the
internal fields. For example, the call-leg object will store the To, From and Call-
ID headers and the local and remote contact addresses on the general pool pages.
The general pool is also used for other activities that demand memory
allocation.
generalPoolNumofPages
The number of pages in the general pool.
Default Value: –1
Remarks:
 Group B parameter: generalPoolNumOfPages =
1.5*maxCallLegs + 1.5*maxTransactions + maxRegClients + 5
+ maxTransmitters (that are allocated by the application)
 This parameter has a minimum value of 3.
generalPoolPageSize
The size of a page in the general pool.
Default Value: 1024
Remarks: