IP Telephony and Phones

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Customer updated to CUCM 8.6.2-22900, and 6941 phones are now displaying time off by one hour (slow).  TAC had us apply the latest DST patch, but this did not help.  Other phones are fine.Has anyone else seen this?  Suggestions to repair (not work ar...

We are looking at re-doing our regions when we move to 9.1.  Currently we only use G.711 between our sites as we have plenty of bandwidth.  We know there might be a situation where we'd want to do a different CODEC at a site.  Our current setup has a...

If I set up a remote site as CME-as-SRST, will a VG224 work when the WAN link goes down?If yes, does it use the same protocol (SCCP/ H.323/ MGCP/ SIP) in both normal and survivable modes?Lastly, is this different if I use plain SRST?Regards

Hi All,Does anyone know if the 7937 phone supports EAP-TLS 802.1x with MIC or LSC certs ?I've found in CUCM there is no dot1x configuration options.On the phone it seems to support EAP-MD5 only ?This doco talks about firmware 8.5, 9 etc.  http://www....

Can anyone please tell what is difference in using SIP or SCCP as Device protocol with CUCM.Like If phone uses SCCP as device protocol in CUCM and if phone uses SIP as device protocol in CUCM is there any difference in features.

Hi all,7911 is registering endlesslly.It holds on:Apr 25 12:54:59.651 CDT: TFTP: Looking for CTLSEPD824BDBA2483.tlvApr 25 12:54:59.731 CDT: TFTP: Looking for ITLSEPD824BDBA2483.tlvApr 25 12:54:59.811 CDT: TFTP: Looking for ITLFile.tlvApr 25 12:55:00....

                   The business I work for is assisting another business with their day to day operations and my manager wants me to manually configure and deploy a 7962 to them and have the phone operate on their network through ours. I figured I wo...