eSpace 6805 IP Phone
Administrator Guide
6 Appendix
Issue 01 (2014-01-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
137
After a signaling record is selected, the protocol layer information about the signaling
record is displayed in the protocol layer description window.
Information in the Protocol Layer Description Window
Pay attention to the information at the application layer.
Physical layer
The first layer in the protocol layer description window is the physical layer, which
contains
Frame Number
and
Packet Length
, as shown in
Figure 6-57
Physical layer of the SIP protocol
Data link layer
The second layer in the protocol layer description window is the data link layer, which
contains the MAC address of the sender (
Source
), MAC address of the receiver
(
Destination
), and packet type (
Type
), as shown in
At the data link layer, ensure that the MAC addresses are correct. If the MAC addresses are incorrect,
the network device cannot send the packet to the expected destination address.
