<div>Hello everybody</div><div><br></div><div>Please help!<br></div><div>I'm trying to setup connection between Cisco 2811 and FS (Win2003) using SIP.</div><div>Everything working correctly and I can make calls both ways. The only problem is</div>
<div>when I'm calling from PSTN to FS over Cisco. It doesn't recognize DTMF.</div><div><br></div><div>I use G711 a-law (PCMA) codec and inband DTMF.</div><div><br></div><div>Regards,</div><div>Maxim</div>