Щоб телефон працював як вебкамера потрібно щоб він вмів відповідним чином надсилати відео-потік.
Про що й мова 
Команди "hcitool scan", а потім "sdptool browse XX:XX:XX:XX:XX:XX" (замість XX:XX:XX:XX:XX:XX прописуємо MAC пристрою, який знайде hcitool) мають прояснити ситуацію. Було б непогано викласти і результат дії AT-команд (набрати можна через термінал kppp) для модему через блютуз (зв'язок через модем не обов'язково потім буде потрібен, а от відповіді модему важливі
):at+cfun=?
ati5
ati7
ati8
ati9
ось повний перелік того що видає sdptool browse
xata@linux-ttq7:~> hcitool scan
Scanning ...
00:16:4E:10:DA:EC Er-mejo
xata@linux-ttq7:~> sdptool browse 00:16:4E:10:DA:EC
Browsing 00:16:4E:10:DA:EC ...
Service Name: Hands-Free Audio Gateway
Service RecHandle: 0x10003
Service Class ID List:
"Handfree Audio Gateway" (0x111f)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 2
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Handfree Audio Gateway" (0x111f)
Version: 0x0101
Service Name: Headset Audio Gateway
Service RecHandle: 0x10004
Service Class ID List:
"Headset Audio Gateway" (0x1112)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 3
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Headset" (0x1108)
Version: 0x0100
Service Name: Salling Clicker
Service Description: Service for Salling Clicker client
Service Provider: Salling Software AB
Service RecHandle: 0x10008
Service Class ID List:
UUID 128: 3c36a2e8-5e17-11d8-ba3c-000a95aa6ffc
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 4
Service Name: Hands-Free Audio Gateway
Service RecHandle: 0x10009
Service Class ID List:
"Handfree Audio Gateway" (0x111f)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 1
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Handfree Audio Gateway" (0x111f)
Version: 0x0101
Service Name: Headset Audio Gateway
Service RecHandle: 0x1000a
Service Class ID List:
"Headset Audio Gateway" (0x1112)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 2
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Headset" (0x1108)
Version: 0x0100
Service Name: Hands-Free Audio Gateway
Service RecHandle: 0x10011
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 1
Profile Descriptor List:
"Handfree Audio Gateway" (0x111f)
Version: 0x0101
Service Name: Headset Audio Gateway
Service RecHandle: 0x10012
Service Class ID List:
"Headset Audio Gateway" (0x1112)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 2
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Headset" (0x1108)
Version: 0x0100
Service Name: OBEX File Transfer
Service RecHandle: 0x10013
Service Class ID List:
"OBEX File Transfer" (0x1106)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 10
"OBEX" (0x0008)
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"OBEX File Transfer" (0x1106)
Version: 0x0100
Service Name: SyncMLClient
Service RecHandle: 0x10014
Service Class ID List:
UUID 128: 00000002-0000-1000-8000-0002ee000002
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 11
"OBEX" (0x0008)
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"" (0x00000002-0000-1000-8000-0002ee000002)
Version: 0x0100
Service Name: Nokia OBEX PC Suite Services
Service RecHandle: 0x10015
Service Class ID List:
UUID 128: 00005005-0000-1000-8000-0002ee000001
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 12
"OBEX" (0x0008)
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"" (0x00005005-0000-1000-8000-0002ee000001)
Version: 0x0100
Service Name: OBEX Object Push
Service RecHandle: 0x10016
Service Class ID List:
"OBEX Object Push" (0x1105)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 9
"OBEX" (0x0008)
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"OBEX Object Push" (0x1105)
Version: 0x0100
Service Name: Dial-Up Networking
Service RecHandle: 0x10017
Service Class ID List:
"Dialup Networking" (0x1103)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 3
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Dialup Networking" (0x1103)
Version: 0x0100
Service Name: Imaging
Service RecHandle: 0x10018
Service Class ID List:
"Imaging Responder" (0x111b)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 15
"OBEX" (0x0008)
Language Base Attr List:
code_ISO639: 0x454e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Imaging" (0x111a)
Version: 0x0100
А от з пунктом щодо кррр я щось не зрозумів куди прописувати команди