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UAC3000's Call Prefix Processing Does Not Take Effect for a Calling Number

Publication Date:  2019-04-04 Views:  258 Downloads:  0

Issue Description

UAC3000: V100R003C30SPC101


Problem description: When the calling number (0094217XXXX) of call source code 1 dials the called prefix 0, the call prefix processing does not take effect for the calling number.

Handling Process

1. Check the matching parameters in prefix processing data: The call source code and called prefix are exactly matched, the calling number change flag is yes, and the calling number change index is 1.

2. Check the calling number change index 1 (ADD DNC: DCX=1, DCT=MOD, DCL=6, ND=K'85, ACN=K'0092417;). Based on the prerequisites of this number change index, the first six digits of a calling number are changed to 85 only if the calling number starts with 0092417. A check on interface signaling messages finds that the calling number is 0092417XXXX. [The ACN (Appointed change number) parameter functions as follows: This parameter specifies the number whose location and length are changed based on DCP (Change location) and DCL (Change length). The number is changed only when it is the same as the number specified by this parameter. This parameter is valid only when DCT (Number change type) is set to MOD.] The number change fails because the number determined by DCP (Change location) and DCL (Change length) is different from the number specified by the ACN (Appointed change number) parameter.

3. After the data of number change index 1 is modified, the calling number change is successful.

MOD DNC: DCX=1, DCT=MOD, DCP=0, DCL=7, ND=K'857, ACN=K'0092417;

Root Cause

The number determined by DCP (Change location) and DCL (Change length) is different from the number specified by the ACN (Appointed change number) parameter. As a result, the number change does not take effect.

Solution

Change the data of number change index 1. Then, the calling number change succeeds.


MOD DNC: DCX=1, DCT=MOD, DCP=0, DCL=7, ND=K'857, ACN=K'0092417;

END