<div>Modem pass through is just like Fax passthrough. both need to run over a G711 codec.</div>
<div> </div>
<div>config is pretty simple. just add the following commands:</div>
<div> </div>
<div>H323 looks like this:</div>
<div> voice service voip<br> h323<br> modem passthrough nse codec g711ulaw</div>
<div> </div>
<div>Also make sure you have VAD turned off on the dial peer(s)</div>
<div> </div>
<div>MGCP looks like this:</div>
<div> </div>
<div>mgcp modem passthrough voip mode nse</div>
<div> </div>
<div>Scott</div>
<div> <br><br></div>
<div class="gmail_quote">On Jan 9, 2008 7:15 AM, Ramiz Sardar <<a href="mailto:ramizchaudhary@gmail.com">ramizchaudhary@gmail.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Friends,<br><br>I am currently working on voip setup. With the existing tdm network, dialup users from different sites dial Remote Access Server in central site. When i will put routers into that network, can users be able to connect again via voip setup. Topology includes cisco 3800 routers that connect with Ericson MD110 pbx through E1 (Pri Qsig). Routers are connected point to point through E1. RAS is non-cisco.
<br><br>Existing Topology:<br><br>IP Network ---------RAS------------PBX--------------------------------------------PBX--------------Dialup User (Modem)<br><br>Topology after voip setup:<br><br>IP Network ---------RAS------------PBX---------Router-----------------------------Router--------PBX--------------Dialup User (Modem)
<br><br>With some study i come to know that there is concept of modem passthrough that can be used but someone please explain it briefly. And if someone currently using it, please write down a sample configuration according to my voip topology.
<br><br>Best Regards<br><br>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip" target="_blank">
https://puck.nether.net/mailman/listinfo/cisco-voip</a><br></blockquote></div><br>