Cisco 8800 Series Administration Manual page 337

Cisco IP Phone Troubleshooting
Network Settings
Parameter
SIP TOS/DiffServ Value
RTP ToS/DiffServ Value
Video RTP ToS/DiffServ Value
SIP Settings
Parameter
SIP Transport
SIP Port
Description
Time of service (ToS)/differentiated services
(DiffServ) field value in UDP IP packets carrying a
SIP message. Default: 0x68.
Value for the ToS field of voice data packets.
Sets the priority for voice packets in data traffic.
Default: 0xb8.
Value for the ToS field of video data packets.
Sets the priority for video packets in data traffic.
Default: 0x54.
Description
Select the transport protocol for SIP messages:
• UDP
• TCP
• TLS
• AUTO
AUTO allows the phone to select the appropriate
protocol automatically, based on the NAPTR records
on the DNS server. See
on page 219
Default: UDP
The phone's port number for SIP message listening
and transmission.
Specify the port number here only when you are using
UDP as the SIP transport protocol.
If you are using TCP, the system uses a random port
within the range specified in SIP TCP Port Min and
SIP TCP Port Max on the Voice > SIP tab.
If you need to specify a port of SIP proxy server, you
can specify it using the Proxy field
Registration, on page
field (XSI Line Service, on page
Default: 5060
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
Network Settings
Configure the SIP Transport,
for more details.
(Proxy and
327) or the XSI Host Server
330).
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