I’ve installed the following on a PC running Ubuntu 9.04:
I have an analog telephone working on my FXS (TDM11B), a PSTN line as a trunk on the FXO (X100P), and a SIP softphone. Station-to-station and incoming calls on the trunk work fine but all attempts at out-calling from either analog set or SIP phone result in the following:
[Jul 6 15:50:01] WARNING chan_dahdi.c: Unable to determine channel for data trunk_1/
[Jul 6 15:50:01] WARNING app_dial.c: Unable to create channel of type ‘DAHDI’ (cause 0 - Unknown)
NOTE: All administration to-date has been via the GUI.