3PSL

AcronymDefinition
3PSLThird Party SIP Line
References in periodicals archive ?
Features and functions tested include Registration and Authentication, 3rd Party SIP Line Device (3PSL to 3PSL, 3PSL Recovery, 3PSL interworking, codec negotiation, SDP acceptance), calling features (CallerID, forward, hold, transfer, 3-way calling, conferencing, call waiting, and other advanced functions).