<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><blockquote type="cite">Is it crucial that they're upgraded prior to the upgrade? Will the media resources be affected if left on the current IOS with only 6.1(3) support?</blockquote><div><br></div>Best-case: IOS configured for 6.x DSPfarm and works with no issues.<div>2nd Best-case: They don't register at all.</div><div>Worst-case: They register, appear to work, but leak calls randomly due to version incompatibility and/or bugs.</div><div><br></div><div>Your customer is going to be in a pinch either way. Hopefully they can re-examine the need for local DSP resources on all of these gateways with the upgraded UCM and find that they are no longer required for their call flow OR you/they can do some testing to confirm that they can register successfully to the newer UCM and run just fine. </div><div><br></div><div><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; border-spacing: 0px; ">-Ryan</span>
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<br><div><div>On Jan 8, 2013, at 10:46 AM, Boon <<a href="mailto:ciscovoipuser@gmail.com">ciscovoipuser@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline">Thanks for the info all. <div><br>One further question. The customer has multiple branch locations each with a voice gateway containing IOS Enhanced Media Resources for transcoder, conf bridge, MTP and also SRST.</div><div>
<br></div><div>The CUCM IOS Compatibility matrix states that the minimum supported IOS is 15.1(4)M1. This is to provide SRST version 8x and SCCP ccm version 8x. </div><div><br></div><div>More than half of their gateways do not have enough DRAM and Flash to support 15.1(4)M1. The requirements is 512/128. </div>
<div><br></div><div>To upgrade all of these gateways it will cost a considerable amount of money. </div><div><br></div><div>Is it crucial that they're upgraded prior to the upgrade? Will the media resources be affected if left on the current IOS with only 6.1(3) support?</div>
<div><br></div><div>I think I know the answer but would like a 2nd opinion. </div><div><br></div><div>Thanks</div>
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