VoIP hardware is developing fast - this is where you ask all those “how do I make my SIP Telephone, Adapter or Asterisk box work with my voip provider?” questions.

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By WelshPaul
#5192
Hi Bill,

How are you connecting the BT GRAPHITE 2500 to the Grandstream 801? Are you using the original BT to RJ11 cable that was supplied with the base unit along with one of these: hardware.php?item=4

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