ATCOM AT840 User Manual page 28

AT840 Series User Manual
Sip T1: RFC 3261 T1 value (RTT Estimate). Range: 0 – 64 sec
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Sip T2: RFC 3261 T2 value (Maximum retransmit interval for non-INVITE requests and
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INVITE responses). Range: 0 – 64 sec
Sip T4: RFC 3261 T4 value (Maximum duration a message will remain in the network). Range:
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0 – 64 sec
Reg Retry Intvl: Interval to wait before the phone retries registration again after encountering
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a failure condition during last registration
Sub Retry Intvl: Interval to wait before the phone retries registration again after
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encountering a failure condition during last registration.
RTP Parameters
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RTP Port Min: Minimum port number for RTP transmission and reception. <RTP Port Min> and
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<RTP Port Max> should define a range that contains at least 2 even number ports . Defaults
to 16384
RTP Port Max: Maximum port number for RTP transmission and reception. <RTP port Min>
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and <RTP Port Max> should define a range that contains at least 2 even number ports.
Defaults to 16482.
RTP Packet Size(ms): Packet size in milliseconds, which can be 10, 20, 30, 40, 60.
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SDP Payload Types
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The configured dynamic payloads are used for outbound calls only where the SPA presents
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