Rainbow1 IP Phone User Manual
4.3 SIP Setting
Sip Timer Values
1. Sip T1: RFC 3261 T1 value (RTT). Range: 0 – 64 sec, defaults to 0.5
2. Sip T2: RFC 3261 T2 value (Maximum retransmit interval for non-INVITE requests
and INVITE responses). Range: 0 – 64 sec, defaults to 4
3. Sip T4: RFC 3261 T4 value (Maximum duration a message will remain in the
network). Range: 0 – 64 sec, defaults to 5
4. Reg Retry Intvl: Interval to wait before the phone retries registration again after
encountering a failure condition during last registration. Range: 0 –65535,
defaults to 8
5. Sub Retry Intvl: Interval to wait before the phone retries subscriber again after
encountering a failure condition during last subscriber. Range: 0 –65535, defaults
to 10
RTP Parameters
1. RTP Port Min: Minimum port number for RTP transmission and reception. Range:
1–65535, defaults to 16384
2. RTP Port Max: Maximum port number for RTP transmission and reception. <RTP
Port Max> should be at least 2 larger than <RTP port Min>.Range: 1–65535,
defaults to 16482
3. RTP Packet Size(ms): Packet size in milliseconds, which can be 10ms, 20ms,
30ms, 40ms, 60ms,defaults to 20.
SDP Payload Types
ATCOM TECHNOLOGY CO., LIMITED
www.atcom.cn
31
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