@yamakawashi 様
今回は、現在ご利用の SIP-PBX が Cisco 2911 からの INVITE に対して CANCEL トランザクションなしに 487 レスポンスを返信し、Cisco 2911 がダイヤルピアをリルーティングするために、これを止めたいということでよろしいでしょうか。
リルーティングの停止は no voice hunt <切断理由> の設定で実現します。487 は通常切断 (切断理由 16) となるため、以下の設定をお試しいただけないでしょうか。
Router(config)# no voice hunt 16
以下はご参考となります。
---
Router#show sip-ua map sip-pstn
The SIP Status code to PSTN Cause mapping table:-
SIP-Status Configured Default
PSTN-Cause PSTN-Cause
400 127 127
401 57 57
402 21 21
403 57 57
404 17 1
405 127 127
406 127 127
407 21 21
408 102 102
409 41 41
410 1 1
413 127 127
414 127 127
415 79 79
416 127 127
417 63 63
420 127 127
422 127 127
424 21 21
480 20 20
481 127 127
482 127 127
483 127 127
484 28 28
485 1 1
486 17 17
487 16 16
488 127 127
500 41 41
501 79 79
502 27 27
503 38 38
504 102 102
505 127 127
580 49 49
600 17 17
603 21 21
604 1 1
606 58 58
Router(config)#no voice hunt ?
<1-195> Call disconnect cause code
access-info-discard access info discarded (43)
all continue hunt for all disconnect cause codes
b-cap-not-implemented bearer capability not implemented (65)
b-cap-restrict restricted digital info bc only (70)
b-cap-unauthorized bearer capability not authorized (57)
b-cap-unavail bearer capability not available (58)
call-awarded call awarded (7)
call-cid-in-use call exists call id in use (83)
call-clear call cleared (86)
call-reject call rejected (21)
cell-rate-unavail cell rate not available (37)
channel-unacceptable channel unacceptable (6)
chantype-not-implement chan type not implemented (66)
cid-in-use call id in use (84)
codec-incompatible codec incompatible (171)
cug-incalls-bar cug incoming calls barred (55)
cug-outcalls-bar cug outgoing calls barred (53)
dest-incompatible incompatible destination (88)
dest-out-of-order destination out of order (27)
dest-unroutable no route to destination (3)
dsp-error dsp error (172)
dtl-trans-not-node-id dtl transit not my node id (160)
facility-not-implemented facility not implemented (69)
facility-not-subscribed facility not subscribed (50)
facility-reject facility rejected (29)
glare glare (15)
glaring-switch-pri glaring switch PRI (180)
htspm-oos HTSPM out of service (129)
ie-missing mandatory ie missing (96)
ie-not-implemented ie not implemented (99)
info-class-inconsistent inconsistency in info and class (62)
interworking interworking (127)
invalid-call-ref invalid call ref value (81)
invalid-ie invalid ie contents (100)
invalid-msg invalid message (95)
invalid-number invalid number (28)
invalid-transit-net invalid transit network (91)
misdialled-trunk-prefix misdialled trunk prefix (5)
msg-incomp-call-state message in incomp call state (101)
msg-not-implemented message type not implemented (97)
msgtype-incompatible message type not compatible (98)
net-out-of-order network out of order (38)
next-node-unreachable next node unreachable (128)
no-answer no user answer (19)
no-call-suspend no call suspended (85)
no-channel channel does not exist (82)
no-circuit no circuit (34)
no-cug non existent cug (90)
no-dsp-chan-play-fastbusy no dsp chan available play fastbusy (173)
no-dsp-channel no dsp channel (170)
no-req-circuit no requested circuit (44)
no-resource no resource (47)
no-response no user response (18)
no-voice-resources no voice resources available (126)
non-select-user-clear non selected user clearing (26)
normal-call-clear normal call clearing (16)
normal-unspecified normal unspecified (31)
not-in-cug user not in cug (87)
number-changeed number changed (22)
options-keepalive-failure options keepalive failure (188)
param-not-implemented non implemented param passed on (103)
perm-frame-mode-oos perm frame mode out of service (39)
perm-frame-mode-oper perm frame mode operational (40)
precedence-call-block precedence call blocked (46)
preempt preemption (8)
preempt-reserved preemption reserved (9)
protocol-error protocol error (111)
qos-unavail qos unavailable (49)
rec-timer-exp recovery on timer expiry (102)
redirect-to-new-destination redirect to new destination (23)
req-vpci-vci-unavail requested vpci vci not available (35)
send-infotone send info tone (4)
serv-not-implemented service not implemented (79)
serv/opt-unavail-unspecified service or option not available unspecified (63)
stat-enquiry-resp response to status enquiry (30)
subscriber-absent subscriber absent (20)
switch-congestion switch congestion (42)
temp-fail temporary failure (41)
transit-net-unroutable no route to transit network (2)
unassigned-number unassigned number (1)
unknown-param-msg-discard unrecognized param msg discarded (110)
unsupported-aal-parms aal parms not supported (93)
user-busy user busy (17)
vpci-vci-assign-fail vpci vci assignment failure (36)
vpci-vci-unavail no vpci vci available (45)
