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Call Admission Control

Publication Date:  2013-11-22 Views:  146 Downloads:  5
Issue Description
Change the configuration on the U1980 to have the CAC feature in CONAGUA project
Alarm Information
Handling Process
1.1 Back up the data of SoftCo
Step 1 Use the “save” command to save the current configuration and service data.
Step 2 When the system prompts "Saving flash in the background finished!" (it means the data has been saved), use the “config upload file data” command to upload the data to the work directory of the TFTP server.
Step 3 Check the file data.bin which is in work directory of the TFTP server. The data.bin file is the backup file of the database.
Step 4 Rename the data.bin file, back it up for restoring the data when necessary.

1.2 Configuration Procedure

Step 1 Loging in SoftCo in Config mode through telnet, the default user name is “admin” and the default password is “huawei”.
Step 2 Add one voip domain that you want and set the call limit value
             config add voipdomain name test maxcallnum 1 domaintype voip
Step 3 Using the command to check the domain number of the Voip domain that you just add.
Step 4 Add all the users of same site to the same VOIP domain:
             config modify subscriber dn 6862010 voipdomainid 0
Root Cause
In order to guaranty the QoS in the customer network was necessary implement a CAC (Call Admission Control) feature. By this way the calls always have the correct bandwidth and good voice quality.
The network bandwith must be consideraded in a begining othewise we can found this kind of issue, it's better make a network planning in order to avoid it.