Specifications

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Linksys IP Phone Administrator Guide
Document Version 3.2
Chapter 5 Linksys ATA Field Reference
Regional Tab
Ring and Call Waiting Tone Spec
Control Timer Values (sec)
Field Description
Ring Waveform Waveform for the ringing signal.
The default is Sinusoid.
Ring Frequency Frequency of the ringing signal. Valid values are 10–100 (Hz).
The default is 25.
Ring Voltage Ringing voltage. 60–90 (V).
The default is 70.
CWT Frequency Frequency script of the call waiting tone. All distinctive CWTs are based on this tone.
The default is 440@-10.
Field Description
Hook Flash Timer Min Minimum on-hook time before off-hook qualifies as hook-flash. Less than this the
on-hook event is ignored. Range: 0.1–0.4 seconds.
The default is 0.1.
Hook Flash Timer Max Maximum on-hook time before off-hook qualifies as hook-flash. More than this the
on-hook event is treated as on-hook (no hook-flash event). Range: 0.4–1.6 seconds.
The default is 0.9.
Callee On Hook Delay Phone must be on-hook for at this time in sec before the Linksys IP phone will tear down
the current inbound call. It does not apply to outbound calls. Range: 0–255 seconds.
The default is 0.
Reorder Delay Delay after far end hangs up before reorder tone is played. 0 = plays immediately, inf =
never plays. Range: 0–255 seconds.
The default is 5.
Call Back Expires Expiration time in seconds of a call back activation. Range: 0–65535 seconds.
The default is 1800.
Call Back Retry Intvl Call back retry interval in seconds. Range: 0–255 seconds.
The default is 30.
Call Back Delay Delay after receiving the first SIP 18x response before declaring the remote end is
ringing. If a busy response is received during this time, the Linksys IP phone still
considers the call as failed and keeps on retrying.
The default is 0.5.