My phone does not support bluetooth DUN. Here is the complete list of supported bluetooth features:

Code:
Browsing F8:0C:F3:41:8D:7F ...
Service RecHandle: 0x10000
Service Class ID List:
  "PnP Information" (0x1200)

Service Name: HSP Audio Gateway
Service RecHandle: 0x10001
Service Class ID List:
  "Headset Audio Gateway" (0x1112)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
Profile Descriptor List:
  "Headset" (0x1108)
    Version: 0x0100

Service Name: HFP Audio Gateway
Service RecHandle: 0x10002
Service Class ID List:
  "Handsfree Audio Gateway" (0x111f)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 2
Profile Descriptor List:
  "Handsfree" (0x111e)
    Version: 0x0105

Service Name: Object Push
Service RecHandle: 0x10003
Service Class ID List:
  "OBEX Object Push" (0x1105)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 3
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX Object Push" (0x1105)
    Version: 0x0100

Service Name: OBEX File Transfer
Service RecHandle: 0x10004
Service Class ID List:
  "OBEX File Transfer" (0x1106)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 4
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX File Transfer" (0x1106)
    Version: 0x0100

Service RecHandle: 0x10005
Service Class ID List:
  "AV Remote Target" (0x110c)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 23
  "AVCTP" (0x0017)
    uint16: 0x100
Profile Descriptor List:
  "AV Remote" (0x110e)
    Version: 0x0100

Service Name: Advanced audio source
Service RecHandle: 0x10006
Service Class ID List:
  "Audio Source" (0x110a)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 25
  "AVDTP" (0x0019)
    uint16: 0x100
Profile Descriptor List:
  "Advanced Audio" (0x110d)
    Version: 0x0100
I know dialup is theoretically possible (have the PC emulate a HFP bluetooth headset and do software encoding/decoding of the data), but the emulating a bluetooth headset part has me stumped. any ideas?