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Calling Party number show "0000" via PRA using U1910

Publication Date:  2013-08-23 Views:  52 Downloads:  0
Issue Description
Some site use U1910 via E1 PRA link. When make a call to DDI number in U1910, the calling party number show "0000" in the phone. 
All the phones in customer's site is 7850 IP phone.

U1910 firmware version is :
V100R001C01SPC600
Alarm Information
None.
Handling Process
1. the configuration is fine after checking.
2. after received this log,  then analyse, find:


This shows there is no Calling party number sent by PRA to U1910 actually. We could compare with the right flow, such as:


As a result, this need peer side to check their setting about this. This is not Huawei's problem.
Root Cause
1. mak sure the calling flow, the caller is customer's mobile, call the DDI number in U1910, the callee is the IP phone in U1910, phone number is DDI number.
2. Check Configuration in U1910, whether follow the product document.
3. Use UCMaint to collect the log and check whether the calling party number was sent to U1910 via PRA.
     The switch mode in UCMaint should be set as:
Suggestions
None.

END