Cisco SPA2102-SF Administration Guide - Page 129
SIP Timer Values (sec) SIP TCP Port Min
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ATA Voice Field Reference SIP page B Escape Display Name Lets you keep the Display Name private. Select yes if you want the ATA device to enclose the string (configured in the Display Name) in a pair of double quotes for outbound SIP messages. Any occurrences of or \ in the string is escaped with \ and \\ inside the pair of double quotes. Otherwise, select no. The default is no. RFC 2543 Call Hold Configures the type of call hold: a:sendonly or 0.0.0.0. Mark All AVT Packets The default is no; do not use the 0.0.0.0 syntax in a HOLD SDP; use the a:sendonly syntax. If set to yes, all AVT tone packets (encoded for redundancy) have the marker bit set. If set to no, only the first packet has the marker bit set for each DTMF event. SIP TCP Port Min SIP TCP Port Max The default is yes. Specifies the lowest TCP port number that can be used for SIP sessions. This field is not found in the PAP2T. Specifies the highest TCP port number that can be used for SIP sessions. This field is not found in the PAP2T. Voice tab > SIP page > SIP Timer Values (sec) section SIP T1 SIP T2 SIP T4 RFC 3261 T1 value (RTT estimate), which can range from 0 to 64 seconds. The default is.5. RFC 3261 T2 value (maximum retransmit interval for nonINVITE requests and INVITE responses), which can range from 0 to 64 seconds. The default is 4. RFC 3261 T4 value (maximum duration a message remains in the network), which can range from 0 to 64 seconds. The default is 5. Cisco Small Business ATA Administration Guide 129