I don't think there's a technical reason. The 40's and 60's use the same firmware. Cisco just doesn't expose the settings in ccmadmin I assume because they want you to buy a 796x if you need more than two line buttons.
<br><br>I think you can use a sidecar on a 7940 in CME but I can't remember for sure. <br><br><div><span class="gmail_quote">On 10/9/07, <b class="gmail_sendername">Jason Aarons (US)</b> <<a href="mailto:jason.aarons@us.didata.com">
jason.aarons@us.didata.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p>I take everything Cisco says and repeat it to customers without
question.</p>
<p> </p>
<p>Customers challenge everything; today I was asked why doesn't
the CP-7914 support the CP-7940? Anyone have a technical answer?<span style="font-size: 12pt;"></span></p>
<p> </p>
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