I'm trying to get a Quescom Q50 GSM device to talk to an UC540. The Q50 pretends to be an ISDN line and is connected to the UC540 as such, we don't have any real ISDN lines, and any calls to the ISDN are routed by the Quescom as a GSM call.
Outgoing calls are working fine. I'm having trouble getting incoming calling working.
I've pasted a log sample below. The BAD FRAME errors are apparently because the Q50 doesn't do any CRC.
The Q50 is set to pretend any incoming call is coming into 123456, which you can see in the log. I've got an incoming Dial plan set by CCA on the UC540 with the calling ID of 123456 that routes it to a blast group.
Dialing on the Q50 gets threee rings then a disconnection.
Obviously I've got Quescom looking into this, but would value a second opinion. It would seem the Q50 is behaving correctly, as outgoing calls are fine.
012907: May 1 16:03:39.826: %LINK-3-UPDOWN: Interface BRI0/1/0, changed state to up
012908: May 1 16:03:40.750: ISDN BR0/1/0 Q921: User RX <- SABMEp sapi=0 tei=0
012909: May 1 16:03:40.750: ISDN BR0/1/0 Q921: User TX -> UAf sapi=0 tei=0
012910: May 1 16:03:40.778: ISDN BR0/1/0 Q921: User TX -> SABMEp sapi=0 tei=0
012911: May 1 16:03:40.782: ISDN BR0/1/0 Q921: User RX <- INFO sapi=0 tei=0, ns=0 nr=0
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