You can try using MAC cloning on networks which use a login page. The method is described in the OS3 user manual.

No, as AMBE hardware does not support IMBE encoding/decoding, which is used by P25 and C4FM/VW mode.

C4FM/DN mode uses the more recent AMBE codec, as well as DMR and NXDN.

The DAPNET server regularly has issues accepting client connections. Please try again later.

Update: we've found out that the server rejects openSPOT3 connections. We've contacted DAPNET support about this. We'll keep you updated once they respond.

Maybe your phone internet provider is filtering UDP packets (sometimes they do, because other VoIP services also use UDP which they don't want to work on your phone).

Also try using other servers.

Thank you for reporting the issue. Fix will be available in the next beta firmware scheduled for Monday.

The D-STAR message contains the DMR talker alias received from the server.

Please retry upgrading now.

Using v5: I've set the connector to REF/XRF with DMR modem mode, then started a private call to 40102 and it worked correctly. I did not test firmware v4 however.

Please contact sales at info@sharkrf.com for further information.

In 1-2 days.