用命令调试蓝牙遇到的问题，求高手指点

最近调试开发板的蓝牙模块，使用NOKIA手机可以与开发板进行通信，而所有的android手机均不能配对，下面是调试的log,恳求高手指点。下面以中兴U880手机为例：

shell@android:/ # hciconfig -a

hci0:   Type: BR/EDR  Bus: USB

        BD Address: E0:B2:F1:7D:E4:D3  ACL MTU: 820:8  SCO MTU: 255:16

        UP RUNNING PSCAN 

        RX bytes:25009 acl:0 sco:0 events:395 errors:0

        TX bytes:5450 acl:0 sco:0 commands:284 errors:0

        Features: 0xff 0xfb 0xff 0xfe 0xdb 0xff 0x7b 0x87

        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 

        Link policy: RSWITCH HOLD SNIFF PARK 

        Link mode: SLAVE ACCEPT 

        Name: 'kreed'

        Class: 0x080000

        Service Classes: Capturing

        Device Class: Miscellaneous, 

        HCI Version: 4.0 (0x6)  Revision: 0xc2d

        LMP Version: 4.0 (0x6)  Subversion: 0xf4e9

        Manufacturer: Realtek Semiconductor Corporation (93)

shell@android:/ # hciconfig hci0 up

shell@android:/ # hcitool scan

Scanning ...

        40:8B:F6:8B:76:D3       TCL DTV BCM20702A1

        00:08:CA:93:DA:50       ZTE-T U880

shell@android:/ # l2ping 00:08:CA:93:DA:50

Can't connect: Permission denied

shell@android:/ # rfcomm bind /dev/rfcomm0   00:08:CA:93:DA:50 1

shell@android:/ # rfcomm -a

rfcomm0: 00:08:CA:93:DA:50 channel 1 clean 

shell@android:/ # rfcomm conn /dev/rfcomm0   00:08:CA:93:DA:50 10

Can't connect RFCOMM socket: Permission denied