Elevators and Blue Light Emergency Systems: Why Cellular Connections Work Best
Phone line connections are critical in the case of an emergency. They ensure that uninterrupted contact is established between the distressed party and responders. In fact, the very idea of effective rescue deployment hinges upon the dependability of these phone connections.
Now that traditional analog copper phone lines (otherwise known as plain old phone lines) are being phased out, companies are looking at security solutions that utilize alternate communication methods. Two modern technologies of note are cellular and VoIP (Voice over internet protocol) lines. But which solution is best for a two-way communication in elevator panels and blue light emergency systems?
The Differences Between VoIP & Cellular Lines
Both lines involve the formatting of audio into signals that are carried along to a receiving party before reverting to audible form. This, however, may be the only real similarity between the two.
VoIP lines work via the internet and have become popular due to their substantially lower cost compared to traditional lines. Additionally, VoIP lines are often marketed and sold by internet service providers as part of a bundle package deal.
The major difference between cellular and VoIP lies in the way that data signals are transmitted. VoIP functions using a packet-switched network while cellular lines work with a circuit-switched network. In circuit networks, a line is protected from extraneous traffic while remaining open.
However, VoIPs send data through public and private networks (the same way the internet works) in smaller fragmented data packets which may lead to possible distortions and inconsistencies caused by surrounding traffic and diverging traffic routes. Security is yet another issue.
Non-encrypted data packages from VoIP may be hijacked by malicious internet users or subjected to distributed-denial-of-service (DDoS), which occurs when a line is deliberately overloaded with disruptive requests that jam its connection.
When a malicious caller distorts the quality of a call (call-tempering) by attempting to add noise packets to the line or delay data packets from reaching its intended target, VoIP lines are particularly vulnerable. Under these circumstances, VoIP calls can become uninterpretable. As explained, VoIP lines may leave distressed parties more vulnerable within a compromised location.
On the contrary, cellular phone lines connect callers through a dedicated line managed by telecommunication companies, which ensures data consistency.
Time-Sensitivity in Security Systems
Elevator, alarm system, or blue light emergencies involve time-sensitive activation of assistance. On top of risks in security breaches, VoIP lines may contain echoes and frequency distortions that can delay the transmission of a call and rescue efforts.
Another thing to consider is the presence of a backup power source. VoIP lines are dependent on running power in sustaining the internet online, which means that a blackout may compromise the safety of your security system by taking the VoIP offline. This does not occur with cellular lines, which continue to offer emergency call options during power outages.
Therefore, it is important for business owners to consider the replacement of old landlines with cellular lines for an effective and reliable solution for their security systems.
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