OK, this is different of what I use to write but I think it would be helpful for all iphone 4 users. I had my iphone 4 few days back and I was quite impressed by this new smartphone until I realized the phone is draining my battery like a Ferrari sucks up fuel. All [...]
Archive for the ‘General’ Category
iPhone 4 Battery Drain – Some Tips
Posted: October 9, 2010 in General, iPhoneTags: iphone 4, iPhone 4 battery drain
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Codec Bandwidth Calculation G711/G729
Posted: August 15, 2010 in GeneralTags: G711 G729 G729r8 G711ulaw G711alaw, RTP Codec bandwidth Calculation
RTP: Voice payloads are encapsulated by RTP, then by UDP, then by IP. A Layer 2 header of the correct format is applied; the type obviously depends on the link technology in use by each router interface. A single voice call generates two one-way RTP/UDP/IP packet streams. UDP provides multiplexing and checksum capability; RTP provides [...]
Following are useful parameters to be changed all in one go: Enterprise Parameters: Auto Registration Phone Protocol = SCCP << Very Important if this is SIP then all your phones will load SIP firmware Connection Monitor Duration = 10 << Default is 120, by minimizing the time duration, you can speed up your the process [...]
Upgrade Process
Posted: July 31, 2010 in General, Unity/Unity ConnectionTags: CSCso82088, Enterprise Replication not active (62), FCIV, Upgrade CUCM CUC Patch, utils dbreplication reset all, utils system upgrade initiate
This is just notes to myself as after downloading the upgrade files for CUCM or Unity or anything else…we all need to follow the same process of combining them and then verifiying the hash value. Download FCIV. Download the files as required: UCS_Install_UCOS_7.1.3.32900-4.sgn.iso_part1of2 UCS_Install_UCOS_7.1.3.32900-4.sgn.iso_part2of2 Run the following command to combine these files into one .iso file [...]
CCIE Lab is one of the toughest IT exam out there and I believe CCIE Voice is “the” toughest (I am not making this up, this has been acknowledged by Quad/Triple CCIEs) as it involves so many applications which can break and go wrong so easily if you are not good in configuring them. Making [...]
