Asterisk11 - crashes every time there is a sip call

Hi,

I have installed lede 17.01 on my raspberry pi 3 b. Then I've added asterisk11 (11.22.0) + chan_dongle. Chan dongle is working fine but every time there is an incomming or outgoing sip call asterisk crashes with:
Assertion failed: stun_cfg && cb && p_ice (../src/pjnath/ice_session.c: pj_ice_sess_create: 346)

Output of strace:
strace -f asterisk -vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvc
..
[pid 3709] clock_gettime(CLOCK_REALTIME, {tv_sec=1499350976, tv_nsec=714366975}) = 0
[pid 3709] brk(0x1b53000) = 0x1b53000
[pid 3709] clock_gettime(CLOCK_REALTIME, {tv_sec=1499350976, tv_nsec=715052962}) = 0
[pid 3709] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 13
[pid 3709] fcntl64(13, F_GETFL) = 0x2 (flags O_RDWR)
[pid 3709] fcntl64(13, F_SETFL, O_RDWR|O_NONBLOCK|O_LARGEFILE) = 0
[pid 3709] bind(13, {sa_family=AF_INET, sin_port=htons(10502), sin_addr=inet_addr("192.168.1.154")}, 16) = 0
[pid 3709] clock_gettime(CLOCK_REALTIME, {tv_sec=1499350976, tv_nsec=716364363}) = 0
[pid 3709] clock_gettime(CLOCK_REALTIME, {tv_sec=1499350976, tv_nsec=716571393}) = 0
[pid 3709] writev(2, [{iov_base="Assertion failed: stun_cfg && cb"..., iov_len=72}, {iov_base="pj_ice_sess_create", iov_len=18}], 2Assertion failed: stun_cfg && cb && p_ice (../src/pjnath/ice_session.c: pj_ice_sess_create) = 90
[pid 3709] writev(2, [{iov_base=": 346)\n", iov_len=7}, {iov_base=NULL, iov_len=0}], 2: 346)
) = 7
[pid 3709] rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1 RT_2], [HUP INT PIPE TERM WINCH], 8) = 0
[pid 3709] gettid() = 3709
[pid 3709] tkill(3709, SIGABRT) = 0
[pid 3709] rt_sigprocmask(SIG_SETMASK, [HUP INT PIPE TERM WINCH], NULL, 8) = 0
[pid 3709] --- SIGABRT {si_signo=SIGABRT, si_code=SI_TKILL, si_pid=3696, si_uid=0} ---
[pid 3696] <... poll resumed> <unfinished ...>) = ?
[pid 3713] <... poll resumed> <unfinished ...>) = ?
[pid 3711] <... poll resumed> <unfinished ...>) = ?
[pid 3710] <... nanosleep resumed> <unfinished ...>) = ?
[pid 3708] <... nanosleep resumed> <unfinished ...>) = ?
[pid 3707] <... futex resumed>) = ?
[pid 3706] <... futex resumed>) = ?
[pid 3705] <... poll resumed> <unfinished ...>) = ?
[pid 3704] <... futex resumed>) = ?
[pid 3703] <... futex resumed>) = ?
[pid 3702] <... futex resumed>) = ?
[pid 3701] <... futex resumed>) = ?
[pid 3700] <... futex resumed>) = ?
[pid 3699] <... futex resumed>) = ?
[pid 3698] <... poll resumed> <unfinished ...>) = ?
[pid 3697] <... futex resumed>) = ?
[pid 3711] +++ killed by SIGABRT +++
[pid 3713] +++ killed by SIGABRT +++
[pid 3710] +++ killed by SIGABRT +++
[pid 3708] +++ killed by SIGABRT +++
[pid 3707] +++ killed by SIGABRT +++
[pid 3706] +++ killed by SIGABRT +++
[pid 3705] +++ killed by SIGABRT +++
[pid 3704] +++ killed by SIGABRT +++
[pid 3703] +++ killed by SIGABRT +++
[pid 3702] +++ killed by SIGABRT +++
[pid 3701] +++ killed by SIGABRT +++
[pid 3700] +++ killed by SIGABRT +++
[pid 3699] +++ killed by SIGABRT +++
[pid 3698] +++ killed by SIGABRT +++
[pid 3697] +++ killed by SIGABRT +++
[pid 3709] +++ killed by SIGABRT +++
+++ killed by SIGABRT +++
Aborted

As I can see I am not the only one experiencing this issue: https://github.com/openwrt/telephony/issues/140

Any ideas or workarounds? I cannot use asterisk13 because there is no package chan_dongle.
Regards,
Pavel