Knowledge

You can build a working SMS gateway from a GSM modem, SIM cards, and open-source software like Kannel or PlaySMS in an afternoon. The same build hits its ceiling fast: one or two modules throttle quickly, delivery-report handling becomes a project, and 24/7 reliability becomes your problem. Understanding where the DIY path stops is the … Read more

Setting up an SMS gateway is a one-afternoon task when you know the sequence: connect hardware, install SIMs, configure the network, log in to the software, and send a test message with a delivery report. This guide walks a first-time user through those steps on a typical SMS gateway such as Telarvo's SK-SMS series. Before … Read more

An SMS gateway should be sized by peak daily volume, sending window, burst headroom, and traffic type—not by the largest port number on a catalog page. Two numbers are often confused during sizing: the active channel (port) count, which sets parallel sending capacity, and the SIM-slot capacity, which sets how many SIM cards the device … Read more

The 4 port VoIP gateway is the smallest voice appliance in Telarvo’s SK VoIP Gateway range, and its job is to make a small voice deployment practical. Four channels, four SIM slots, and standard SIP registration cover a surprising range of use cases: a branch office with a handful of lines, a retail location that … Read more

The 16 port SMS modem pool is where desktop bulk messaging starts to look like an operation. Sixteen modems mean 16 SIM-backed lines in one enclosure, enough for a marketing team running regular campaigns, a business that outgrew an 8-port pool, or a verification service handling a steady flow of OTP traffic. It is the … Read more

The 64 port SMS modem pool is the top of Telarvo’s desktop modem range: 64 modems, 64 SIM-backed lines, and the highest sending density a PC-based pool can provide. It is the size for operations that have outgrown 16 and 32 ports but want to stay on desktop hardware with the SMS Caster software they … Read more

A SIM pool management gateway is the control point for a centralized SIM inventory: the appliance that stores, powers, and manages the SIM cards, and the software that decides which line serves which transaction. It is the layer that turns a box of SIMs into a managed resource, and it is what lets a messaging … Read more

An LTE mobile proxy gateway is a network appliance that exposes LTE-assigned IP addresses as proxy endpoints. Each SIM slot creates a cellular connection whose address comes from the mobile operator, and the proxy software presents those addresses for authorized traffic. The LTE generation is the defining feature: the connections use modern mobile networks, which … Read more

Remote SIM bank hardware is the answer to a specific operational problem: an operation with SIM cards spread across locations, and no way to manage them without visiting each site. A SIM bank centralizes the inventory in hardware that can be monitored and managed over the network, so balances are checked, lines are allocated, and … Read more

GSM voice gateway equipment is the hardware that carries voice between the mobile network and an IP telephony system: GSM modules on one side, SIP on the other, and SIM cards providing the mobile numbers. The term covers a range of devices — from a single-channel GoIP to a 32-port VoIP gateway — and the … Read more