Cisco 7800 Series Administration Manual page 156

Cisco IP Phone Web Page
Parameter
RTP Port Max
RTP Packet Size
RTCP Tx Enable
SDP Payload Types
Parameter
AVT Dynamic Payload
NAT Support Parameters
Parameter
Handle VIA received
Handle VIA rport
Insert VIA received
Insert VIA rport
Substitute VIA Addr
Cisco IP Phone 7800 Series for Third-Party Call Control Administration Guide
142
Description
Maximum port number for RTP transmission and reception. Should
define a range that contains at least 10 even number ports (twice the
number of lines); for example, configure RTP port min to 16384 and
RTP port max to 16538.
Default: 16538
Packet size in seconds, which can range from 0.01 to 0.13. Valid values
must be a multiple of 0.01 seconds.
Default: 0.02
Set to Yes to enable Real-Time Transport Control Protocol (RTCP)
sender report on an active connection.
Default: No
Description
AVT dynamic payload type. Ranges from 96-127.
Default: 101
Description
Enables the phone to process the received parameter in the VIA header.
Default: No
Enables the phone to process the rport parameter in the VIA header.
Default: No
Enables to insert the received parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP values differ.
Default: No
Enables to insert the rport parameter into the VIA header of SIP
responses if the received-from IP and VIA sent-by IP values differ.
Default: No
Enables the user to use NAT-mapped IP:port values in the VIA header.
Default: No