Telecommunication Systems
Telecommunication Systems
Installation and maintenance of telephony systems, including IP telephony and unified communication solutions, to ensure seamless communication across your organization.
POC Push to talk over cellular
Push-to-Talk over Cellular (PTToC) is a communications technology that allows users to send voice messages and conduct conversations over a cellular network using a one-button operation, similar to traditional walkie-talkies. PTToC solutions leverage existing mobile cellular networks (3G, 4G, LTE, and now 5G) to provide instant voice communication, enhancing real-time communication for various industries and use cases. Below are key aspects of PTToC:
Key Features of Push-to-Talk over Cellular
Instant Communication
Users can initiate communication instantly with the push of a button, facilitating immediate response and conversation.
Group and Individual Communication
PTToC systems support both one-to-one and one-to-many communications, allowing users to communicate with groups or individual contacts seamlessly.
Mobility
As it operates over cellular networks, PTToC allows users to communicate on the go, without being tethered to a specific location.
Integration with Smartphones
PTToC applications can be downloaded on smartphones and tablets, allowing users to utilize existing devices rather than requiring specialized hardware.
Enhanced Audio Quality
Modern PTToC systems use advanced audio coding technologies to deliver high-quality voice communication, even in challenging environments.
Interoperability
Many PTToC solutions are designed to work alongside traditional Land Mobile Radio (LMR) systems, enabling users to communicate across different platforms.
GPS Location Tracking
Many PTToC applications include GPS capabilities that allow team members to locate each other, enhancing safety and coordination.
Data and Multimedia Support
In addition to voice, PTToC solutions can often handle text messaging, file sharing, and other data services, increasing their utility in communication workflows.
Scalability
PTToC solutions can be easily scaled to accommodate more users and communication needs, making it suitable for businesses of all sizes.
Advantages of Push-to-Talk over Cellular
- Cost-Effective: Utilizing existing cellular networks means that the infrastructure costs can be lower compared to deploying a dedicated radio system.
- Wider Coverage: Cellular networks typically provide extensive coverage that can include urban, suburban, and rural areas, making PTToC a practical choice for organizations with a dispersed workforce.
- Ease of Use: Users familiar with smartphones will find PTToC applications intuitive, minimizing the need for extensive training.
- Rich Feature Set: Beyond voice communication, PTToC solutions often come with features like status displays, presence indicators, and more, enhancing communication capabilities.
- Remote Capabilities: PTToC can be utilized in remote locations where traditional radio communication may not be viable, thanks to the widespread reach of cellular networks.
Challenges of Push-to-Talk over Cellular
- Network Dependency: PTToC relies on cellular connectivity, which could be a limitation in areas with poor reception or during emergencies when the network may be congested.
- Latency: While far less than traditional cellular calls, PTToC applications may experience slight delays compared to direct radio communications.
- Battery Consumption: PTToC applications can consume significant battery power, especially when GPS and other features are enabled.
- Security Concerns: Voice communications over public cellular networks may raise security concerns, making encryption and secure communications essential considerations.
Use Cases and Industries
- Public Safety: Police, firefighters, and emergency medical services benefit from PTToC for immediate communication and coordination in the field.
- Transportation: Taxi services, trucking, and logistics companies use PTToC to communicate with drivers and coordinate deliveries.
- Construction: PTToC allows teams on job sites to communicate easily and respond to situations promptly.
- Field Services: Utility companies, maintenance crews, and other field service teams use PTToC for efficient coordination and support.
- Event Management: Event staff can use PTToC to coordinate efforts during large events or exhibitions.
Conclusion
Push-to-Talk over Cellular (PTToC) represents a significant evolution in communication flexibility and capability, merging the instant connectivity of traditional two-way radios with modern mobile technology. It provides organizations with a powerful tool to enhance communication, collaboration, and safety while leveraging existing cellular infrastructure. As technology continues to advance, PTToC solutions are becoming increasingly relevant across varied industries, offering a blend of voice and data capabilities suited to today’s dynamic communication needs.
DMR
Digital Mobile Radio (DMR) is an international digital radio standard developed by the European Telecommunications Standards Institute (ETSI), and first ratified in 2005. More than a decade ago, vendors and users of radio systems recognized that the existing analog trunking standards required updates with modern techniques to provide:
- Improved voice quality
- Improved functionality such as Location information)
- Improved security (i.e. Authentication and Encryption)
- Improved channel efficiency (2 slot TDMA)
As a result, today, we have a complete set of standards which cover voice, data services, and conformance testing.
DMR aims to provide an affordable, low-complexity digital standard to replace analog radio.
The ETSI DMR Standard defines three different tiers :
- Tier I(unlicensed): DMR equipment works in Direct Mode (unit-to-unit) on public frequencies. Tier 1 DMR devices are best for individuals, recreation, small retail, or other situations that do not require wide area coverage.
- Tier II(licensed conventional): This Tier is aimed to be a direct replacement for the analog conventional radio system. These DMR systems operate under individual licenses working in Direct Mode (unit-to-unit) or using a Base Station (BS) for repeating. It has a degree of wide-area coverage and is targeted at users “who need spectral efficiency, advanced voice features and integrated IP data services in licensed bands for high-power communications.”
- Tier III(licensed trunked): DMR trunking systems operate under individual licenses with a controller function that automatically regulates the communications. It also supports packet data services in a variety of formats, including support for IPv4 and IPv6. It is ideal for organizations looking to migrate from MPT-1327/EADS/LTR (logic trunked radio) systems or who want the full benefits of managed trunking, voice and data solution.
TETRA
TErrestrial Trunked RAdio (TETRA) is a digital trunked mobile radio standard developed to meet the needs of traditional Professional Mobile Radio (PMR) user organisations such as:
Public Safety , Transportation , Utilities , Government ,Military ,PAMR, Commercial & Industry, Oil & Gas
The TETRA standard has been specifically developed to meet the needs of a variety of traditional PMR user organisations. This means it has a scaleable architecture allowing economic network deployments ranging from single site local area coverage to multiple site wide area national coverage.
Some unique PMR services of TETRA are:
Wide area fast call set-up “all informed net” group calls
Direct Mode Operation (DMO) allowing “back to back” communications between radio terminals independent of the network
High level voice encryption to meet the security needs of public safety organisations
An Emergency Call facility that gets through even if the system is busy
Full duplex voice for PABX and PSTN telephony communications
Besides meeting the needs of traditional PMR user organisations, the TETRA standard has also been developed to meet the needs of Public Access Mobile Radio (PAMR) operators.
To meet the ever changing user requirements and utilise the latest in technology developments, TETRA continues to be evolved and enhanced with the development of new standards. This includes:
TETRA Release 2, which includes the TETRA Enhanced Data Service (TEDS) that provides wideband high speed data communication services.
We supply TETRA (Terrestrial Trunked Radio) – (Trans-European Trunked Radio) technology from the leading global manufacturers like:
HYTERA, Motorola ,Tait, Sepura, Selex communication
