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Hi there,I have been successful in 'flashing' a 7960 to SIP version 3.x. However I cannot get it to work for a version 4 release of SIP. The phone reads the 79xx.txt file, and then starts to TFTP the version 4.3 binary. Howeever about 75% of the way ...
Hi all,I got a project where the customer wants a roaming softphone profile. They are basing this on their existing roaming Windows profiles. I know softphones were meant for laptops, but this customer really like the softphone period. So when a user...
Hi all,I am looking to find some information as to how much bandwidth given IP Telephony devices consumes. For example a 7960, ATA186, VG200, etc all maintain state/signalling (TCP based) connections with the Call Manager. Also, the Call Manager clus...
Hi,You might want to review "Cluster over the IP WAN" using the IP Telephony Solution Reference Network Design Guide CCM Rel 3.2.pdf doc. There is very good section in there. It looks like the CCO has been updated and I thus can no longer find this d...
We just did the same upgrade. We have a five server cluster and the upgrade went really well. Got a few new minor bugs of which most have been resolved. It took us the better part of about 12 hours to upgrade the whole system.Thanks,Vaughn
Hi Dave,Were you planning to do the clustering (more than 1 Call Manager) over the Internet? I ask that because there is a strict requirement for the ICCS communications. Its 900Kbps per 10,000 Busy Hour Call Attempts (BHCA) and also a maximum RTT of...
Hi there,I agree that is is not major overhead, but I still want to know for a few reasons. However I think your remark about signalling consuming bandwidth only before and after a call is not entirely accurate. I agree that there is information exch...
