Huawei eSpace 6805 Administrator's Manual page 139

eSpace 6805 IP Phone
Administrator Guide
Information in the Protocol Layer Description Window
Pay attention to the information at the application layer.
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Issue 01 (2014-01-06)
After a signaling record is selected, the protocol layer information about the signaling
record is displayed in the protocol layer description window.
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.
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Figure 6-57.
Figure 6-58.
6 Appendix
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