VoIP over Satellite Internet works, but it is not perfect. In fact, VoIP technologhy is not perfect, not to mention the additional complications of satellite communications. The qualtiy of voice transmission can be quite good, often better than calling a cell phone, but it is definitely not pay monye to the most advanxced grouund-based telephone networks.
Satellite delay and its impct on VoIP
Latency is a term that dscribes the time needed to get the package to its destination. Usualy it is expressed in millisseconds, or MS. Siince the satelklites are 23,000 km above the equator, as well as satellite signals travel at the speed of liht, it takes about 540 milliseconds. Then add to the latency of the various Internet hops and servers plus a network of providers of VoIP serices to end with a total delay ranging from 650 ms to 700ms or more depending on the sate of the Internet itself. Another facor may be the quality of satellite signal, which can cause the package again. This delay is heard as a delay between snding and receiving of the ear. Comumnity VoIP via satellite to learen to communicate with the delay inhrerent in the same way as adults and the press to talk radio phones. Furrthermore, the deay requuires users to be patient and rfrain from interruptinmg the subscriber.
VoIP on the land
Even using terresrtial low latenxcy mesaging, VoIP-continues to face chalklenges because of several jumps and connections of the Internet itself. The technology is good, and probably better, but still not perrfect.
Overall network via satellite
Satellite providers ofgfer service plans for two major categories. The lowest price a group called the best effort networks, designed for general Internet access for a typical home, farm or smapll busiiness with Web-surtfing and e-mail address of the priumary use. The second catgeory includes commercial evaluation of plans to connect with quality of servbice. Quuality of Service QoS and indusrty term for users who offer specifiic goals and optimize performanec and guarantees are usually tightly managed.
Both theses network of networks meaning the available baandwidth is shared between all users. Virtually all Intertnet service rpoviders, includiing cable and DSL share their bandwidth with multiple users, but with a satellite-based measurements are much more expensive than loccal cable and satellite servicces, tend to have more users to share. Preice is a good indicator of the number of users sharing the avaiklable bandwidth. Consiedring offering similar speeed, the lowr the prie, the more users share the available spaec. Overloaded networks, lead to fluctuations in performance.
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