I'm kinda confused with this requirement where I have Cisco 2951 Router with 2 MFT T1/E1 card.
Router is getting E1 from PSTN which is fine.
I need to connect other E1 port to Aria PBX for integrating PBX with IP Telephony but the issue is the PBX can't do QSIG and can do E1 only.
my question is how can I configure router to emulate as PSTN for PBX so I can route calls between pbx and pstn.
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