Administrator's Manual 5. Configuring VoIP Settings
Version 3.4.3 73 400HD Series IP Phones
5.1.6 Configuring SIP QoS
SIP Quality of Service (QoS) can be configured.
To configure SIP QoS:
• Use the table as reference.
Table 5-9: SIP QoS Parameters
Parameter Description
voip/signalling/sip/tos
QoS in hexadecimal format. This is a part of the IP header that defines
the type of routing service to tag outgoing signalling packets originated
from the phone. It informs routers that this packet must receive a
specific QoS.
The default value is 0x60.
Values can be set in decimal (e.g. 96) or hexadecimal (e.g. 0x60).
For information on configuring RTP QoS, see Section 5.5.3.
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