Call Drops on Radio Interface in Stable State (Signaling Channel)

3G / 2G
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1

Hello Experts.

We have experienced 2G Call drop issue.

Call drop cause is call drops in SDCCH Chanel. CM360:Call Drops on Radio Interface in Stable State (Signaling Channel).

The vendor is Huawei.

U2020 Cell trace done and a lot of error indications were found when analysing drop calls.

Can you suggest optimization actions?

2G Call Drops on Radio Interface in Stable State (Signaling Channel)
2G Call Drops on Radio Interface in Stable State (Signaling Channel)953×646 112 KB