It turned out that error code 0x13 is specific to Qualcomm modems. A fix can be found in:
https://github.com/rilmodem/ofono/pull/74 ** Changed in: ofono (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1239869 Title: VoiceCallManager.Dial() fails when roaming & area code specified To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ofono/+bug/1239869/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
