Something

Number of Controllers : 1
Controller 1:
Manufacturer: mISDN CAPI controller hfcsusb_1
CAPI Version: 2.0
Manufacturer Version: 1.0
Serial Number: 0002
BChannels: 2
Global Options: 0x0000001f
   internal controller supported
   external equipment supported
   handset supported
   DTMF supported
   Supplementary Services supported
B1 protocols support: 0x00000003
   64 kbit/s with HDLC framing
   64 kbit/s bit-transparent operation
B2 protocols support: 0x00000043
   ISO 7776 (X.75 SLP)
   Transparent
   Transparent (ignoring framing errors of B1 protocol)
B3 protocols support: 0x00000001
   Transparent

  0100
  0200
  1f000000
  03000000
  43000000
  01000000
  00000000 00000000 00000000 00000000 00000000 00000000
  00000000 00000000 00000000 00000000 00000000

Supplementary services support: 0x00000033
   Hold / Retrieve
   Terminal Portability
   Call Forwarding
   Call Deflection