[SOLVED] hi. i need some help guys

Sep 18, 2019
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I applied a SIP service and they provided me a modem which uses an RJ45 patch cable..now on our central, we only have RJ11 ports for voice calls. we are using cisco router as a central. Question is: is it possible to just use an RJ45 - RJ11 patch cable? or i need to buy t1/e1 NIM for voice (which is not available here in our area)..thanks
 

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