markbellot
Vendor
Inbound PRI DID calls Call Forwarded to a hub site over SIP trunks completes once, then fail for 10 seconds, then complete again. Both sites are CS1000MG with a recent 6.0 upgrade. During the 10 second window, that calls fail, the virtual D-channel shows no message. The D-channel to the LEC shows "CAUSE: #42 - SWED EQIP CONGESTION.