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Answers and rating deltas for
What is the purpose of using DTMF in sip based softphone?
| Author | Votes | Δ |
|---|---|---|
| ciphor | 4 | +3.96 |
| Austin Carven | 0 | 0.00 |
| Szocske | 0 | -3.96 |
| Altanai | 0 | 0.00 |
Last visited: Sep 14, 2014, 5:07:29 AM