as salam-o-alaikum i want to configure my own asterisk now PBX server . i have 9 PTCL(PSTN) lines and i want 25 Sip or ip-phones extensions .
can you any one tell me about the hardware required for this system more specifically should i use digium analog card or any gateway or what kind of hardware should i use as an interface between PSTN lines and sip
Discussion regarding the installation and configuration of Linux distributions.
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