METHOD AND APPARATUSES FOR SQUELCH BREAK SIGNALING DEVICE TO PROVIDE SESSION INITIATION PROTOCOL
摘要
A squelch break signaling device includes a carrier operated relay cadence timer to set a time limit and a carrier operated relay counter to count the number of times a carrier operated relay transitions from inactive to active and back to inactive within the time limit to provide a session initiation protocol activate signal from the squelch break signaling device when the count of the carrier operated relay counter matches a predetermined number.
申请公布号
WO2008019081(A3)
申请公布日期
2008.04.03
申请号
WO2007US17367
申请日期
2007.08.03
申请人
JPS COMMUNICATIONS, INC.;HALL, DOUGLAS;FLOYD, DANIEL