<div>Thanks Peter for replying, Yes you are right that 6 has more options for SIP, I had a sneak peak and a future version of ccm would be able to do G.729 to Nortel over SIP trunk. It's bad that I would only be able to do g711 but I can live with it for the time bieng, I was worried about DTMF not getting detected as I have come across that before as well.</div>
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<div>Aman<br><br> </div>
<div><span class="gmail_quote">On 6/21/08, <b class="gmail_sendername">Peter Slow</b> <<a href="mailto:peter.slow@gmail.com">peter.slow@gmail.com</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Aman,<br> while there may be documentation out there for 4.1, if you have a<br>SIP requirement for something you are doing today, you should use 6.x.<br>
You'll have many more configuration options availalbe to make this<br>work properly.<br><br>Yes, with 4.x you will need an MTP/xcoder with every single call over<br>that trunk, and you will only be able to do g.711 to and from the<br>
nortel.<br>-Pete<br><br>On 6/20/08, Aman Chugh <<a href="mailto:aman.chugh@gmail.com">aman.chugh@gmail.com</a>> wrote:<br>><br>> Hi,<br>><br>> I am designing an integration between Nortel CS1000E running release 5.0 and<br>
> CallManager 4.2 using SIP trunk, I would be running an IVR on Nortel which<br>> would have menu options for Cisco IP Phone users, I just wanted to<br>> understand how would DTMF work across the two systems over SIP , Do I need a<br>
> hardware MTP with callmanager as well. I have looked at document available<br>> on Cisco Interoperability portal for Nortel CS 1000M and Cisco callmanager<br>> 4.1 , it mentions END to END DTMF is not supported. What do they mean by<br>
> END to END DTMF. Any help would be appreciated.<br>><br>> <a href="http://www.cisco.com/en/US/solutions/ns340/ns414/ns728/networking_solutions_products_genericcontent0900aecd805b561d.html">http://www.cisco.com/en/US/solutions/ns340/ns414/ns728/networking_solutions_products_genericcontent0900aecd805b561d.html</a><br>
><br>> Thanks,<br>><br>> Aman<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">https://puck.nether.net/mailman/listinfo/cisco-voip</a><br>
><br>><br></blockquote></div><br>