Gammu cannot open device (DEVICEOPENERROR[2])

Hello,

I am using gammu-smsd 1.31.90, I made a udev rule for my USB 3g dongle but
gammu-smsd can not connect to device. It says DEVICEOPENERROR[2]. How can I
fix it?

udev-rule in /etc/udev/rules.d/10-rules.local

SUBSYSTEMS=="usb", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1001",
SYMLINK+="phone", GROUP="dialout"

Gammu log:

Wed 2016/03/09 15:57:58 gammu-smsd[2466]: Starting phone communication...
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Gammu 1.31.90 built
08:54:06 May 23 2012 using GCC 4.6]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Connection       - "at"]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Connection index - 0]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Model type  - ""]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Device  - "/dev/phone"]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [Running on  - Linux,
kernel 3.4.103 (#4 SMP PREEMPT Thu Dec 18 12:55:58 CST 2014)]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: [System error -
tcgetattr in serial_open, 25, "Inappropriate ioctl for device"]
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: gammu: Init:GSM_TryGetModel
failed with error DEVICEOPENERROR[2]: Error opening device. Unknown,
busy or no permissions.
Wed 2016/03/09 15:57:58 gammu-smsd[2466]: Can't open device: Error
opening device. Unknown, busy or no permissions. (DEVICEOPENERROR[2])

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