3 ms·
I have one with a SIP VOIP converter. I had to add a resistor or the sound was too lound. But it works.
by kuon 3y ago
I have one with a SIP VOIP converter. I had to add a resistor or the sound was too lound. But it works.
- Aloha 3y agoA 500 set is not really well optimized for 40ma+ of loop current.