Voice Parameters
Provisioning Guide for Cisco SPA100 and SPA200 Series Analog Telephone Adapters 89
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<SIP_TCP_Port_Min> The lowest TCP port number that can be used for SIP
sessions.
Default setting: 5060
<SIP_TCP_Port_Max> The highest TCP port number that can be used for SIP
sessions.
Default setting: 5080
<CTI_Enable> Enables or disables the Computer Telephone Interface feature
provided by some servers.
Default setting: no
<SIP_T1> RFC 3261 T1 value (round-trip time estimate), which can
range from 0 to 64 seconds.
Default setting: 0.5
<SIP_T2> RFC 3261 T2 value (maximum retransmit interval for non-
INVITE requests and INVITE responses), which can range from
0 to 64 seconds.
Default setting: 4
<SIP_T4> RFC 3261 T4 value (maximum duration a message remains in
the network), which can range from 0 to 64 seconds.
Default setting: 5
<SIP_Timer_B> INVITE time-out value, which can range from 0 to 64 seconds.
Default setting: 32
<SIP_Timer_F> Non-INVITE time-out value, which can range from 0 to 64
seconds.
Default setting: 32
<SIP_Timer_H> H INVITE final response, time-out value, which can range from
0 to 64 seconds.
Default setting: 32
<SIP_Timer_D> ACK hang-around time, which can range from 0 to 64
seconds.
Default setting: 32
<SIP_Timer_J> Non-INVITE response hang-around time, which can range
from 0 to 64 seconds.
Default setting: 32
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