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Reply To: C7 load and C-7 link break up.

Charles T

Hi everyone!

Am a switching (GSM) engineer working on Siemens D900. I have a problem with C7 signaling with my international gateway. They have an NEC NEAX-61E switch. They are always complaining that my C7 links are causing ‘overload’ in their switch. The message they get on the terminal during this phase is ‘C7LINK FAILURE CP03-CCSC03, EXCESSIVE DELAY OF ACK.(NORMAL)’. Is there anyone with NEC backgroup to help intepret this msg as the guys at the other switch seem to have no clue?