Участвуют аппараты linksys spa922.

1.
Перевод звонка по *2, который пришел через forward.
forward настроен на аппарате.
После перевода по *2 в трубке 1752 раздался звонок, трубку 1752 положили, asterisk упал.

=========================================================================
== Parsing '/etc/asterisk/extconfig.conf': Found
Connected to Asterisk 1.4.24 currently running on sfa (pid = 9138)
Verbosity is at least 10
-- Accepting AUTHENTICATED call from 192.168.12.211:
> requested format = ulaw,
> requested prefs = (ulaw|alaw),
> actual format = ulaw,
> host prefs = (ulaw|alaw),
> priority = mine
-- Executing [1750@ctIncomingIAX:1] Goto("IAX2/I1-15928", "ctLocal|1750|1") in new stack
-- Goto (ctLocal,1750,1)
-- Executing [1750@ctLocal:1] Dial("IAX2/I1-15928", "SIP/1750|60|tT") in new stack
[Sep 30 17:20:36] NOTICE[9302]: app_dial.c:1147 dial_exec_full: Hey! chan IAX2/I1-15928's context='ctLocal', and exten='1750'
-- Called 1750
-- Got SIP response 302 "Moved Temporarily" back from 192.168.56.3
-- Now forwarding IAX2/I1-15928 to 'Local/1752@ctLocal' (thanks to SIP/1750-09e0dd00)
-- Executing [1752@ctLocal:1] Dial("Local/1752@ctLocal-1240,2", "SIP/1752|60|tT") in new stack
[Sep 30 17:20:36] NOTICE[9303]: app_dial.c:1147 dial_exec_full: Hey! chan Local/1752@ctLocal-1240,2's context='ctLocal', and exten='1752'
-- Called 1752
-- SIP/1752-09e128f8 is ringing
-- Local/1752@ctLocal-1240,1 is ringing
-- SIP/1752-09e128f8 answered Local/1752@ctLocal-1240,2
-- Local/1752@ctLocal-1240,1 stopped sounds
-- Local/1752@ctLocal-1240,1 answered IAX2/I1-15928
-- Executing [h@ctLocal:1] Hangup("Local/1752@ctLocal-1240,2", "") in new stack
== Spawn h extension (ctLocal, h, 1) exited non-zero on 'Local/1752@ctLocal-1240,2'
== Spawn extension (ctLocal, 1752, 1) exited non-zero on 'Local/1752@ctLocal-1240,2'
[Sep 30 17:20:45] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '*' received on SIP/1752-09e128f8
[Sep 30 17:20:45] DTMF[9302]: channel.c:2307 __ast_read: DTMF begin passthrough '*' on SIP/1752-09e128f8
[Sep 30 17:20:45] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '*' received on SIP/1752-09e128f8, duration 130 ms
[Sep 30 17:20:45] DTMF[9302]: channel.c:2266 __ast_read: DTMF end accepted with begin '*' on SIP/1752-09e128f8
[Sep 30 17:20:45] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '*' on SIP/1752-09e128f8
[Sep 30 17:20:46] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '2' received on SIP/1752-09e128f8
[Sep 30 17:20:46] DTMF[9302]: channel.c:2307 __ast_read: DTMF begin passthrough '2' on SIP/1752-09e128f8
[Sep 30 17:20:46] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '2' received on SIP/1752-09e128f8, duration 100 ms
[Sep 30 17:20:46] DTMF[9302]: channel.c:2266 __ast_read: DTMF end accepted with begin '2' on SIP/1752-09e128f8
[Sep 30 17:20:46] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '2' on SIP/1752-09e128f8
-- Started music on hold, class 'default', on IAX2/I1-15928
-- <SIP/1752-09e128f8> Playing 'pbx-transfer' (language 'en')
[Sep 30 17:20:47] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '1' received on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2301 __ast_read: DTMF begin ignored '1' on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '1' received on SIP/1752-09e128f8, duration 100 ms
[Sep 30 17:20:47] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '1' on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '7' received on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2301 __ast_read: DTMF begin ignored '7' on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '7' received on SIP/1752-09e128f8, duration 110 ms
[Sep 30 17:20:47] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '7' on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '5' received on SIP/1752-09e128f8
[Sep 30 17:20:47] DTMF[9302]: channel.c:2301 __ast_read: DTMF begin ignored '5' on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '5' received on SIP/1752-09e128f8, duration 90 ms
[Sep 30 17:20:48] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '5' on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '1' received on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2301 __ast_read: DTMF begin ignored '1' on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '1' received on SIP/1752-09e128f8, duration 130 ms
[Sep 30 17:20:48] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '1' on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2297 __ast_read: DTMF begin '#' received on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2301 __ast_read: DTMF begin ignored '#' on SIP/1752-09e128f8
[Sep 30 17:20:48] DTMF[9302]: channel.c:2229 __ast_read: DTMF end '#' received on SIP/1752-09e128f8, duration 100 ms
[Sep 30 17:20:48] DTMF[9302]: channel.c:2282 __ast_read: DTMF end passthrough '#' on SIP/1752-09e128f8
-- Executing [1751@ctLocal:1] Dial("Local/1751@ctLocal-dbf9,2", "SIP/1751|60|tT") in new stack
[Sep 30 17:20:48] NOTICE[9307]: app_dial.c:1147 dial_exec_full: Hey! chan Local/1751@ctLocal-dbf9,2's context='ctLocal', and exten='1751'
-- Called 1751
-- SIP/1751-09d745e0 is ringing
-- Local/1751@ctLocal-dbf9,1 is ringing
sfa*CLI>
Disconnected from Asterisk server
Executing last minute cleanups

2.
Перевод звонка по transfer, который пришел через forward.
forward настроен на аппарате.
После перевода по transfer в трубке 1752 раздался звонок, трубку 1752 положили, 1751 ответил на звонок.


== Parsing '/etc/asterisk/extconfig.conf': Found
Connected to Asterisk 1.4.24 currently running on sfa (pid = 9323)
Verbosity is at least 10
-- Accepting AUTHENTICATED call from 192.168.12.211:
> requested format = ulaw,
> requested prefs = (ulaw|alaw),
> actual format = ulaw,
> host prefs = (ulaw|alaw),
> priority = mine
-- Executing [1750@ctIncomingIAX:1] Goto("IAX2/I1-14796", "ctLocal|1750|1") in new stack
-- Goto (ctLocal,1750,1)
-- Executing [1750@ctLocal:1] Dial("IAX2/I1-14796", "SIP/1750|60|tT") in new stack
[Sep 30 17:23:00] NOTICE[9469]: app_dial.c:1147 dial_exec_full: Hey! chan IAX2/I1-14796's context='ctLocal', and exten='1750'
-- Called 1750
-- Got SIP response 302 "Moved Temporarily" back from 192.168.56.3
-- Now forwarding IAX2/I1-14796 to 'Local/1752@ctLocal' (thanks to SIP/1750-0964d2e8)
-- Executing [1752@ctLocal:1] Dial("Local/1752@ctLocal-5241,2", "SIP/1752|60|tT") in new stack
[Sep 30 17:23:00] NOTICE[9470]: app_dial.c:1147 dial_exec_full: Hey! chan Local/1752@ctLocal-5241,2's context='ctLocal', and exten='1752'
-- Called 1752
-- SIP/1752-09652998 is ringing
-- Local/1752@ctLocal-5241,1 is ringing
-- SIP/1752-09652998 answered Local/1752@ctLocal-5241,2
-- Local/1752@ctLocal-5241,1 stopped sounds
-- Local/1752@ctLocal-5241,1 answered IAX2/I1-14796
-- Executing [h@ctLocal:1] Hangup("Local/1752@ctLocal-5241,2", "") in new stack
== Spawn h extension (ctLocal, h, 1) exited non-zero on 'Local/1752@ctLocal-5241,2'
== Spawn extension (ctLocal, 1752, 1) exited non-zero on 'Local/1752@ctLocal-5241,2'
-- Started music on hold, class 'default', on IAX2/I1-14796
-- Executing [1751@ctLocal:1] Dial("SIP/1752-0964f258", "SIP/1751|60|tT") in new stack
[Sep 30 17:23:08] NOTICE[9475]: app_dial.c:1147 dial_exec_full: Hey! chan SIP/1752-0964f258's context='ctLocal', and exten='1751'
-- Called 1751
-- SIP/1751-096682b0 is ringing
-- Stopped music on hold on IAX2/I1-14796
-- IAX2/I1-14796 requested special control 20, passing it to SIP/1751-096682b0
-- IAX2/I1-14796 requested special control 20, passing it to SIP/1751-096682b0
-- SIP/1751-096682b0 answered IAX2/I1-14796
-- Executing [h@ctLocal:1] Hangup("SIP/1752-0964f258<ZOMBIE>", "") in new stack
== Spawn h extension (ctLocal, h, 1) exited non-zero on 'SIP/1752-0964f258<ZOMBIE>'
== Spawn extension (ctLocal, 1750, 1) exited non-zero on 'SIP/1752-0964f258<ZOMBIE>'
-- Executing [h@ctLocal:1] Hangup("IAX2/I1-14796", "") in new stack
== Spawn h extension (ctLocal, h, 1) exited non-zero on 'IAX2/I1-14796'
== Spawn extension (ctLocal, 1751, 1) exited non-zero on 'IAX2/I1-14796'
-- Hungup 'IAX2/I1-14796'
sfa*CLI>


Дайте дельный совет, как вылечить проблему из п.1

Спасибо