<https://voiptechsolutions.in/what-are-the-basic-things-to-keep-in-mind-while-switching-to-sip-trunking-4-things-to-check-out/>
<http://schema.org/description>
"For digital primary rate interfaces SIP Trunking is sold as a substitute that completely depends on the time-division multiplexing."
<https://voiptechsolutions.in/what-are-the-basic-things-to-keep-in-mind-while-switching-to-sip-trunking-4-things-to-check-out/>