ACD is a quality metric used by telephony providers to show the average length of a call made over their network. Voxbeam has a high ACD which suggests that few calls are dropped or abandoned due to quality issues.
ASR (Answer / Seizure Ratio)
The Answer / Seizure Ratio is a metric used to measure the quality of a telephony company’s network. It is calculated by dividing the number of successfully answered calls by the total number of calls attempted.
A high ASR like Voxbeam’s indicates a reliable network, since most calls that are attempted are answered. A low ASR may suggest a poor quality network, though it can be heavily influenced by user behaviour since busy signals and unanswered or rejected calls count as failures.
Voxbeam’s call termination services allow other carriers and telephony companies to pass their VoIP calls onto the PSTN so that they can be answered over a traditional phone line.
A codec is used to compress and decompress an audio signal before transmitting it over the network. There are a number of different speech codecs used by VoIP carriers. Voxbeam supports the G.729a and G.723 codecs for all of our routes, as well as G.711u, G.711a, and G.726 for most.
PDD (Post-Dial Delay)
Post-Dial Delay is the time it takes to receive feedback after a user has finished dialling. This feedback can be in the form of a dial tone, a recorded announcement, or the call being abandoned.
Voxbeam has a low PDD which gives an improved user experience. Consumers are generally used to the PSTN’s short PDD and often react negatively when there is a long pause after dialling.
PSTN (Public Switched Telephone Network)
The PSTN is the network that makes up the world’s traditional telephone systems. Voxbeam provides services that allow VoIP companies to terminate calls onto the PSTN.
VoIP (Voice over Internet Protocol)
VoIP is a specialised protocol used to transmit voice data over the Internet. It is also commonly used to refer to the act of transmitting voice, and the many related services that have built up around it.
A VoIP provider is a company like Voxbeam, that is set up to sell consumer or business-to-business telephony services.
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