Sip Setting; Sip Timer Values; Rtp Parameters - ATCOM AT820 User Manual

AT820 Series User Manual
is the most detailed.
C. Syslog Server: Set syslog server address, which is a domain name or an IP address.
D. Port: Set syslog port, which usually is 514.

5.3 Sip Setting

5.3.1 Sip Timer Values

A. Sip T1: RFC 3261 T1 value (RTT Estimate). Ranges from 0 to 64. The default value
is 0.5.
B. Sip T2: RFC 3261 T2 value (Maximum retransmit interval for non-INVITE requests
and INVITE responses). Ranges from 0 to 64. The default value is 4.
C. Sip T4: RFC 3261 T4 value (Maximum duration a message will remain in the
network). Ranges from 0 to 64. The default value is 5.
D. Reg Retry Intvl: Interval to wait before the phone retries registration again after
encountering a failure condition during last registration. Ranges from 0 to 65535.
The default value is 8.
E. Sub Retry Intvl: Subscribe message's re-sending interval after a failure. Ranges
from 0 to 65535. The default value is 10.

5.3.2 RTP Parameters

A、 RTP Port Min: Minimum port number for RTP transmission and reception. Range from
1 to 65535. Default to 16384.
B、 RTP Port Max: Maximum port number for RTP transmission and reception. Range
from 1 to 65535. <RTP port Min> and <RTP Port Max> should define a range that
contains at least 2 even number ports. Default to 16482.
C、 RTP Packet Size (ms): Packet size in milliseconds, which can be 10, 20, 30, 40, 60.
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