The SIP voice gateway used aluminum casting, high mechanical strength and strong impact resistance.
Support SIP application, including before the call (unconditional transfer/no answer transfer/user busy transfer), call waiting, call a hotline number, call transfer (blind turn/ask), after three calls, call hold, quickly abbreviated dial, number replace rules, restrictions, call, don’t disturb, caller id, outside threats ringing, outside threats ring and so on.
In today's fast-paced world, safety and security have become essential concerns for individuals, communities, and governments. Public spaces such as...
Introduction: In today's fast-paced digital world, effective communication is more important than ever. Language barriers can hinder efficient communication, particularly...