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 Frosty Phil
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Hi I am setting up with a VOIP service from Voipfone. I am using a Grandstream HT 801 ATA to connect to my BT Decor 1300 phone.

My problem is that I cant get the Message Waiting Indicator to light up. When I leave a message with Voipfone the phone light on the HT801 flashes and I hear an intermittent Dial Tone on picking up the receiver.

I have installed Welsh Paul's recommended settings (but not the dial plan) and tried both MWI tone "default" and "Special Proceed Indication Tone" settings.

Can any one help?

My HT801 was configured for another UK provider. I rea…

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