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Calls dropped for ICS 7750

Callmanager 3.3.3sr4a Event Log:

Event Type: Error

Event Source: Cisco CallManager

Event Category: None

Event ID: 3

Date: 3/21/2006

Time: 2:53:48 PM

User: N/A

Computer: ICSCCM1

Description:

Error: DeviceTransientConnection - Transient connection attempt.

Connecting Port: 2000

Device name [Optional].: SEP000F1FA22BB9

Device IP address.: 172.16.2.31

Device type. [Optional]: 30016

Reason Code [Optional].: 1

App ID: Cisco CallManager

Cluster ID: ICSCCM1-Cluster

Node ID: 172.17.0.21

Explanation: A connection was established and immediately dropped before completing registration. Incomplete registration may indicate a device is rehoming in the middle of registration. The alarm could also indicate a device misconfiguration, database error, or an illegal/unknown device trying to attempt a connection.

Recommended Action: No action is required if this event was issued as a result of a normal device rehome..

Event Type: Error

Event Source: Cisco CallManager

Event Category: None

Event ID: 3

Date: 3/21/2006

Time: 2:53:48 PM

User: N/A

Computer: ICSCCM1

Description:

Error: DeviceUnregistered - Device unregistered.

Device name.: SEP000F1FA22BB9

Device IP address.: 192.168.2.36

Device type. [Optional]: 30016

Device description [Optional].: SEP000F1FA22BB9

Reason Code [Optional].: 9

App ID: Cisco CallManager

Cluster ID: ICSCCM1-Cluster

Node ID: 172.17.0.21

Explanation: A device that has previously registered with Cisco CallManager has unregistered. This event may be issued as part of normal unregistration event or due to some other reason such as loss of keepalives.

Recommended Action: No action is required if unregistration of this device was expected..

-------------

ICS7750:

MRP3-8FXS#sh controllers t1

T1 1/0 is up.

Applique type is Channelized T1

Cablelength is long gain36 0db

Description: Connect to T1 trunk

No alarms detected.

alarm-trigger is not set

Version info Firmware: 20020812, FPGA: 11

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

Data in current interval (649 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 24 hours)

2205 Line Code Violations, 5195 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 219 Line Err Secs, 44 Degraded Mins,

219 Errored Secs, 79 Bursty Err Secs, 3 Severely Err Secs, 0 Unavail Secs

MRP3-8FXS#

----------------------

!

!

!

controller T1 1/0

framing esf

linecode b8zs

pri-group timeslots 1-24

no yellow generation

no yellow detection

description Connect to T1 trunk

!

!

-----------------

If the T1 conotroller has problem or some other issue?

Thanks,

1 REPLY
Silver

Re: Calls dropped for ICS 7750

I think the problem is due to misconfiguration in ICS 7750

try this link for troubleshooting ICS7750

http://www.cisco.com/univercd/cc/td/doc/product/voice/ics7750/tblshoot/7750atg.pdf

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