[cisco-voip] Inbound MGCP call dead-air

Thu Dec 19 11:24:22 EST 2019

Is this issue on the back of a TN port or anything like that? Have you engaged the carrier?

Maybe the gateway is actually working just fine?

Sent from my iPhone

On Dec 19, 2019, at 11:01, Jonathan Charles <jonvoip at gmail.com> wrote:

It is a T1 CAS.... and the controller is up with no errors.... it is 1977 over there.

Jonathan

On Thu, Dec 19, 2019 at 3:03 AM daniele visaggio <visaggio.daniele at gmail.com<mailto:visaggio.daniele at gmail.com>> wrote:
can you do a "show isdn status" ?

Is the t1 completely up?

Il giorno gio 19 dic 2019 alle ore 03:14 Jonathan Charles <jonvoip at gmail.com<mailto:jonvoip at gmail.com>> ha scritto:
We rebooted the CCM cluster and the problem persisted...

Traces show no sign of the call int he calllog...

Jonathan

On Wed, Dec 18, 2019 at 8:00 PM Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>> wrote:
Have you pulled a ccm trace and debug voice ccapi inout, to verif you’re not seeing any weirdness there?

“no mgcp / mgcp” has been known to fix weird things; I assume you’ve tried that though.

Sent from my iPhone

On Dec 18, 2019, at 19:59, Jonathan Charles <jonvoip at gmail.com<mailto:jonvoip at gmail.com>> wrote:

Inbound call (to x2475) on an MGCP T1-CAS  E&M Wink

Gateway is a 4331 running 16.06.02.SPA, CCM is 11.5.1.2900-21

Get dead air and see no MGCP setup message to CCM, after 60 seconds, call times out (debug vpm signal and mgcp packet, below):

006469: Dec 18 18:23:38.037: htsp_dsp_message: SEND_SIG_STATUS: state=0xC timestamp=35130 systime=1042275951
006470: Dec 18 18:23:38.037: htsp_process_event: [0/1/1:1(21), EM_ONHOOK, E_DSP_SIG_1100]em_onhook_offhook
006471: Dec 18 18:23:38.037: htsp_timer - 50 msec
006472: Dec 18 18:23:38.088: htsp_process_event: [0/1/1:1(21), EM_QUALIFY_SEIZURE, E_HTSP_EVENT_TIMER]em_qualify_seizure_timeouthtsp_setup_ind
006473: Dec 18 18:23:38.088: [0/1/1:1(21)] get_local_station_id calling num= calling name= calling time=12/18 18:23  orig called=
006474: Dec 18 18:23:38.088: htsp_timer - 3000 msec
006475: Dec 18 18:23:38.090: htsp_process_event: [0/1/1:1(21), EM_WAIT_SETUP_ACK, E_HTSP_SETUP_ACK]em_wait_setup_ack_get_ack
006476: Dec 18 18:23:38.090: htsp_timer_stop interdigit timer cfgd to 3000
006477: Dec 18 18:23:38.090: htsp_timer2 - 127 msec
006478: Dec 18 18:23:38.217: htsp_process_event: [0/1/1:1(21), EM_WAIT_SETUP_ACK, E_HTSP_EVENT_TIMER2]em_wait_prewink_timer
006479: Dec 18 18:23:38.217: em_offhook (0)vnm_dsp_set_sig_state:[recEive and transMit0/1/1:1(21)] set signal state = 0x8em_onhook (200)vnm_dsp_set_sig_state:[recEive and transMit0/1/1:1(21)] set signal state = 0x0
006480: Dec 18 18:23:38.611: htsp_digit_ready: digit = 32
006481: Dec 18 18:23:38.611: htsp_process_event: [0/1/1:1(21), EM_OFFHOOK, E_VTSP_DIGIT]em_offhook_digit_collect
006482: Dec 18 18:23:38.751: htsp_digit_ready: digit = 34
006483: Dec 18 18:23:38.751: htsp_process_event: [0/1/1:1(21), EM_OFFHOOK, E_VTSP_DIGIT]em_offhook_digit_collect
006484: Dec 18 18:23:38.892: htsp_digit_ready: digit = 37
006485: Dec 18 18:23:38.892: htsp_process_event: [0/1/1:1(21), EM_OFFHOOK, E_VTSP_DIGIT]em_offhook_digit_collect
006486: Dec 18 18:23:39.032: htsp_digit_ready: digit = 35
006487: Dec 18 18:23:39.032: htsp_process_event: [0/1/1:1(21), EM_OFFHOOK, E_VTSP_DIGIT]em_offhook_digit_collect

006488: Dec 18 18:23:41.335: MGCP Packet sent to 10.48.41.81:2427--->
NTFY 331838278 *@ORHC-VG4331-01.orhcnet.local MGCP 0.1
X: 0
O:
<---

006489: Dec 18 18:23:41.337: MGCP Packet received from 10.48.41.81:2427--->
200 331838278
<---

006490: Dec 18 18:23:56.336: MGCP Packet sent to 10.48.41.81:2427--->
NTFY 331838279 *@ORHC-VG4331-01.orhcnet.local MGCP 0.1
X: 0
O:
<---

006491: Dec 18 18:23:56.337: MGCP Packet received from 10.48.41.81:2427--->
200 331838279
<---

006492: Dec 18 18:24:11.336: MGCP Packet sent to 10.48.41.81:2427--->
NTFY 331838280 *@ORHC-VG4331-01.orhcnet.local MGCP 0.1
X: 0
O:
<---

006493: Dec 18 18:24:11.337: MGCP Packet received from 10.48.41.81:2427--->
200 331838280
<---

006494: Dec 18 18:24:26.336: MGCP Packet sent to 10.48.41.81:2427--->
NTFY 331838281 *@ORHC-VG4331-01.orhcnet.local MGCP 0.1
X: 0
O:
<---

006495: Dec 18 18:24:26.337: MGCP Packet received from 10.48.41.81:2427--->
200 331838281
<---

Configs:

controller T1 0/1/1
 framing sf
 clock source line primary
 linecode ami
 cablelength long 0db
 ds0-group 1 timeslots 1-24 type e&m-wink-start
 description Local T1 CAS
!
mgcp
mgcp call-agent 10.48.41.80 2427 service-type mgcp version 0.1
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability mf-package
mgcp package-capability rtp-package
mgcp package-capability sst-package
mgcp package-capability pre-package
mgcp package-capability fm-package
no mgcp package-capability res-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp bind control source-interface GigabitEthernet0/0/0
mgcp bind media source-interface GigabitEthernet0/0/0
mgcp behavior rsip-range tgcp-only
mgcp behavior comedia-role none
mgcp behavior comedia-check-media-src disable
mgcp behavior comedia-sdp-force disable
!
ccm-manager fallback-mgcp
ccm-manager redundant-host 10.48.41.81
ccm-manager mgcp
no ccm-manager fax protocol cisco
ccm-manager config server 10.48.41.81
ccm-manager config

Any ideas on why MGCP will not send call setup to CCM?

Jonathan

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