change modems / bearerbox no longer connects

I have just replaced my old 3G modem (MultiTech) with a new 4G one (also MultiTech) ... and now bearerbox fails to negotiate speed ... * What is this telling me? [...] 2022-06-09T15:53:50.161623-07:00 vishnu bearerbox[5519]: 2022-06-09 15:53:50 [5519] [0] INFO: AT2[/dev/modem]:

RE: OpenSMPP+Kannel: DLR: (dst & src) are expected INVETED in the deliver_sm (but remains as in submit_sm)

Hi list, I'm a newbie with opensmpp, i found this thread, I think I have the same problem. I'm woking with http-based smsc and opensmpp, and when i send a dlr, dst and src doesn't INVETED. I send the opensmppbox logs in the attachment Do you have any ideas? Thanks a lot! - Original