Siemens Simplified: Increasing DIMSU Allocation; Siemens HiPath 4000

Monday May 7th, 2012

Q: I am trying to add a new user with AGENT as a Class of Service or Attribute in my organizations HiPath 4000 PBX system and the system comes back with a message that I have reached the maximum number of ACDPRIM that has been allocated in DIMSU.  How can I fix this problem?

A: When making software changes in the Siemens 4000 switch, there is a possibility of reaching a threshold on a parameter, better known as a DIMSU.  When a DIMSU allocation has been reached then the system will not allow you to continue on until the DIMSU parameter has been increased.

When DIMSU parameters have to be increased, the administrator of the CBX will need to be notified.  Each DIMSU must be tested, before it is increased; the testing allows you to check memory capacity.

Following is a list of guidelines that will help you interpret the fields within DIMSU in order to determine if you have reached a threshold and need to increase DIMSU allocation:

  • The value USED describes the number of used memory elements. A comparison with the ACTUAL value shows how much of the allocated memory is still unused and can be used for creating devices and/or features.
  • The value MAX-USED describes the index of largest storage elements used. A comparison with the ACTUAL value shows how much of the allocated memory is still free, and can be reallocated.
  • The reduction of the memory entries to MAX-USED can be carried out in the case of a memory shortage, if, during operation, it is seen that ACTUAL > MAX-USED. The reduction of the memory entries to a value lower than MAX-USED is only possible if the USED value is 0.
  • When deleting devices or features, MAX-USED is not changed.

COMMON ACD DIMSU:

ACDLOGO:  Number of agents that can be logged on simultaneously.

ACDPRIM:  Number of primary ACD agent positions.

ACDAG:  Number of ACD agents.

COMMON STATION DIMSU:

CFWDEST:  Number of call forwarding destinations

DTILTG:  Number of device table entries (DTI) trunks and terminal devices

EXTNAME:  Number of subscriber names for external  call forwarding destinations

HGMEMB:  Number of stations which are member of a hunt group

KEYSYS:  Number of key system subscribers

NAME:  Number of subscriber names (persi)

OPTCC:  Number of Optiset  and Optipoint devices

OPTEXP:  Number of Optiset/Optipoint key modules, signature modules & Optiset E control     adapters

STN:  Number of subscribers (also attendant consoles and logged-off subscribers)

AULEXT:  Number of call-forwarding extensions

LODEN:  Number of logical devices

KEYSET:  Number of Key systems and phantom devices

NAME:  Number of subscriber names for display at voice terminals

Feel free to give us a call for more details at (866) 536-7305.

Siemens Simplified Tech Tips are provided for educational purposes only. Telizent Communications will not be liable for any errors or inaccuracies, or any actions taken in reliance thereon. Telizent Communications expressly disclaims all warranties – expressed or implied – as to the accuracy of any of the content provided, or as to the fitness of this information for any purpose.  If you are not trained on the systems you are administering or are not comfortable performing the steps described in the Siemens Simplified Tech Tips you should contact Telizent for trained technical support.

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