Hey on all our M700 base stations where we tried a firmware update the following error occured.

loc2 .Info  2022-09-09T11:53:00Z 232-[ FWU Downloading File http://dect.snom.com///M700/M700_v0530_b0002.fwu] 
loc2 .Not   2022-09-09T11:53:00Z 232-[ Base FWU started] 
loc2 .Not   2022-09-09T11:53:55Z 232-[ GFT_DOWNLOAD_CFM] 
loc2 .Debug 2022-09-09T11:53:55Z 232-[ Base FWU ended with error code 2157 (HTTP_GFT_SERVER_UNSPECIFIED): HTTP protocol]

Trying the same with tftp it's nearly the same.

loc2 .Not   2022-09-09T12:25:55Z 232-[ GFT_DOWNLOAD_CFM] 
loc2 .Debug 2022-09-09T12:25:55Z 232-[ Base FWU ended with error code 2157 (HTTP_GFT_SERVER_UNSPECIFIED): HTTP protocol] 
loc2 .Info  2022-09-09T12:26:11Z 232-[ FWU Downloading File tftp://10.170.170.11//M700/M700_v0530_b0002.fwu] 
loc2 .Not   2022-09-09T12:26:11Z 232-[ Base FWU started] 
loc2 .Debug 2022-09-09T12:26:46Z 232-[ Base FWU ended with error code 2123 (TFTPC_TOO_MANY_RETRANS): Too many retransmissions] 
loc2 .Info  2022-09-09T12:27:11Z 232-[ FWU Downloading File tftp://10.170.170.11//M700/M700_v0530_b0002.fwu] 
loc2 .Not   2022-09-09T12:27:11Z 232-[ Base FWU started] 
loc2 .Debug 2022-09-09T12:27:46Z 232-[ Base FWU ended with error code 2123 (TFTPC_TOO_MANY_RETRANS): Too many retransmissions] 
loc2 .Info  2022-09-09T12:28:11Z 232-[ FWU Downloading File tftp://10.170.170.11//M700/M700_v0530_b0002.fwu] 

Anyone any idea?

Thanks in advance