Cisco IP Telephony Troubleshooting Guide for Cisco CallManager Release 3.0(1)

In the following trace, Skinny Station messages are sent between a Cisco IP Phone and

Cisco CallManager. The Cisco IP Phone (172.16.70.231) is registering with Cisco CallManager. Refer to the descriptions of Skinny Station messages earlier in this section for more information. As soon as Cisco CallManager receives the registration request from a Cisco IP Phone, it assigns a TCPHandle number to this device. This number remains the same until the device or

Cisco CallManager is restarted. Therefore, you can follow all the events related to a particular device by searching for or keeping track of the device’s TCPHandle number, which appears in hex. Also, notice that Cisco CallManager provides the load ID to the Cisco IP Phone. Based on this load ID, the Cisco IP Phone runs the executable file (acquired from the TFTP server) that corresponds to the device.

16:02:57.000 CCMStationInit - New connection accepted. DeviceName=, TCPHandle=0x4fbbc30, Socket=0x5a4, IPAddr=172.16.70.231, Port=52095, StationD=[0,0,0]

16:02:57.046 CCMNodeId: 1, EventId: 1703 EventClass: 2 EventInfo: Station Alarm, TCP Handle:

4fbbc30, Text: Name=SEP003094C26105 Load=AJ.30 Parms=Status/IPaddr LastTime=A P1:

2304(900) P2: -414838612(e74610ac)

16:02:57.046 CCMStationInit - ***** InboundStim - AlarmMessageID tcpHandle=0x4fbbc30 Message="Name=SEP003094C26105 Load=AJ.30 Parms=Status/IPaddr LastTime=A" Parm1=2304 (900) Parm2=-414838612 (e74610ac)

16:02:57.093 CCMStationInit - Processing StationReg. regCount: 1 DeviceName=SEP003094C26105, TCPHandle=0x4fbbc30, Socket=0x5a4, IPAddr=172.16.70.231, Port=52095, StationD=[1,85,1] 16:02:57.093 CCMStationInit - InboundStim - IpPortMessageID: 32715(0x7fcb) tcpHandle=0x4fbbc30

Cisco CallManager KeepAlive Process

Both the station, device, or service and the Cisco CallManager use the following messages to maintain a knowledge of the communications channel between them. The messages are used to begin the KeepAlive sequence that ensures that the communications link between the

Cisco CallManager and the station remains active. The following messages can originate from either the Cisco CallManager or the station.

16:03:02.328 CCMStationInit - InboundStim - KeepAliveMessage - Forward KeepAlive to StationD. DeviceName=MTP_nsa-cm2, TCPHandle=0x4fa7dc0, Socket=0x568, IPAddr=172.16.70.229, Port=1556, StationD=[1,45,1]

16:03:02.328 CCMStationInit - InboundStim - KeepAliveMessage - Forward KeepAlive to StationD. DeviceName=CFB_nsa-cm2, TCPHandle=0x4bf8a70, Socket=0x57c, IPAddr=172.16.70.229, Port=1557, StationD=[1,96,1]

16:03:06.640 CCMStationInit - InboundStim - KeepAliveMessage - Forward KeepAlive to StationD. DeviceName=SEP0010EB001720, TCPHandle=0x4fbb150, Socket=0x600, IPAddr=172.16.70.230, Port=49211, StationD=[1,85,2]

16:03:06.703 CCMStationInit - InboundStim - KeepAliveMessage - Forward KeepAlive to StationD. DeviceName=SEP003094C26105, TCPHandle=0x4fbbc30, Socket=0x5a4, IPAddr=172.16.70.231, Port=52095, StationD=[1,85,1]

The messages in the following trace depict the KeepAlive sequence which indicates that the communications link between the Cisco CallManager and the station is active. Again, these messages can originate either by the Cisco CallManager or the station.

© 2000 Cisco Systems, Inc.

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Cisco Systems 30 VIP manual Cisco CallManager KeepAlive Process
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