[Freeswitch-users] ZRTP and Video in proxy-mode

[Yaroslav Krivopishin]

Good afternoon.
Have anyone else drop issue after trying to activate video during call with
zrtp encryption? Every time I have INCOMPATIBLE_DESTINATION and hangup
after that.
In siptrace I found that after receiving sip/sdp invite, Freeswitch send
SIP 100 trying and right after it send SIP 488 Not Acceptable Here. Than it
follows by bye message to both side.
In sofia debug all 9 I didn't realize issue too, but here it is:
tport.c:2749 tport_wakeup_pri() tport_wakeup_pri(0x7f9850004440): events IN
tport.c:2864 tport_recv_event() tport_recv_event(0x7f9850004440)
tport.c:3205 tport_recv_iovec() tport_recv_iovec(0x7f9850004440) msg
0x7f9850519470 from (udp/194.149.101.23:5060) has 2160 bytes, veclen = 1
tport.c:3023 tport_deliver() tport_deliver(0x7f9850004440): msg
0x7f9850519470 (2160 bytes) from udp/88.208.76.34:5060/sip next=(nil)
nta.c:2880 agent_recv_request() nta: received INVITE
sip:9468349698 at 194.149.101.23:5060;transport=udp SIP/2.0 (CSeq 22)
nta.c:3174 agent_check_request_via() nta: Via check: received=88.208.76.34
nta.c:3248 agent_aliases() nta: canonizing
sip:9468349698 at 194.149.101.23:5060 with contact
nta.c:3060 agent_recv_request() nta: INVITE (22) going to existing leg
nta.c:1348 set_timeout() nta: timer shortened to 200 ms
nua_server.c:102 nua_stack_process_request() nua:
nua_stack_process_request: entering
soa.c:1302 soa_init_offer_answer()
soa_init_offer_answer(static::0x7f98503181f0) called
soa.c:1171 soa_set_remote_sdp() soa_set_remote_sdp(static::0x7f98503181f0,
(nil), 0x7f985054899a, 1206) called
tport.c:3257 tport_tsend() tport_tsend(0x7f9850004440) tpn = UDP/
88.208.76.34:52522
tport.c:4046 tport_resolve() tport_resolve addrinfo = 88.208.76.34:52522
tport.c:4680 tport_by_addrinfo() tport_by_addrinfo(0x7f9850004440): not
found by name UDP/88.208.76.34:52522
tport.c:3594 tport_vsend() tport_vsend(0x7f9850004440): 318 bytes of 318 to
udp/88.208.76.34:52522
tport.c:3492 tport_send_msg() tport_vsend returned 318
nta.c:6791 incoming_reply() nta: sent 100 Trying for INVITE (22)
nua_stack.c:271 nua_stack_event() nua(0x7f985003baa0): event i_invite 100
Trying
nua_session.c:4145 signal_call_state_change() nua(0x7f985003baa0): ready
call updated: received received offer
soa.c:1098 soa_get_remote_sdp() soa_get_remote_sdp(static::0x7f98503181f0,
[0x7f986753f590], [0x7f986753f598], [(nil)]) called
nua_stack.c:271 nua_stack_event() nua(0x7f985003baa0): event i_state 100
Trying
nua_stack.c:359 nua_application_event() nua: nua_application_event: entering
nua_stack.c:359 nua_application_event() nua: nua_application_event: entering
nua.c:366 nua_handle_magic() nua: nua_handle_magic: entering
nua.c:879 nua_respond() nua: nua_respond: entering
nua_stack.c:529 nua_signal() nua(0x7f985003baa0): sent signal r_respond
2017-03-15 11:07:32.110686 [NOTICE] sofia.c:9717 Hangup sofia/default/
9462793697 at phone.pricall.eu [CS_EXECUTE] [INCOMPATIBLE_DESTINATION]
nua_stack.c:573 nua_stack_signal() nua(0x7f985003baa0): recv signal
r_respond 488 Not Acceptable Here
nua_params.c:480 nua_stack_set_params() nua: nua_stack_set_params: entering
soa.c:403 soa_set_params() soa_set_params(static::0x7f98503181f0, ...)
called
nua_session.c:2320 nua_invite_server_respond() nua:
nua_invite_server_respond: entering
soa.c:1214 soa_clear_remote_sdp()
soa_clear_remote_sdp(static::0x7f98503181f0) called
tport.c:3257 tport_tsend() tport_tsend(0x7f9850004440) tpn = UDP/
88.208.76.34:52522
tport.c:4046 tport_resolve() tport_resolve addrinfo = 88.208.76.34:52522
tport.c:4680 tport_by_addrinfo() tport_by_addrinfo(0x7f9850004440): not
found by name UDP/88.208.76.34:52522
tport.c:3594 tport_vsend() tport_vsend(0x7f9850004440): 493 bytes of 493 to
udp/88.208.76.34:52522
tport.c:3492 tport_send_msg() tport_vsend returned 493
nta.c:6791 incoming_reply() nta: sent 488 Not Acceptable Here for INVITE
(22)
nua_session.c:4145 signal_call_state_change() nua(0x7f985003baa0): ready
call updated: init
nua_stack.c:271 nua_stack_event() nua(0x7f985003baa0): event i_state 488
Not Acceptable Here
nua_stack.c:271 nua_stack_event() nua(0x7f985003baa0): event i_active 488
Call active
soa.c:1302 soa_init_offer_answer()
soa_init_offer_answer(static::0x7f98503181f0) called
nua_stack.c:359 nua_application_event() nua: nua_application_event: entering
nua_stack.c:359 nua_application_event() nua: nua_application_event: entering

Without ZRTP encryption it works correctly.
-- 
Best regards / S pozdravem / С наилучшими пожеланиями,
Krivopishin Yaroslav.
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