Tag Archives: SigComp

IMS, 3GPP and IETF: A standardization complexity

By Kfir Pravda | Published: September 3, 2007
By Tsahi Levent-Levi How do we get those specifications for IMS? In a complex way. It started off as a set if requirements for a Next Generation Network (NGN). The 3GPP wanted an all-IP network for its mobile infrastructure, calling it IMS (IP Multimedia Subsystem). As there’s no need to reinvent the wheel, the 3GPP [...]
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NXTcomm and IMS

By Kfir Pravda | Published: June 21, 2007
By Tsahi Levent-Levi This week I had a business trip. As part of my day job, I joined a panel discussing the IPTV experience at NXTcomm. While there, I had the time to walk around the show floor and see what companies are doing. I can definitely say that this year, the main theme of [...]
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Compression and IMS, Part 2: ROHC

By Kfir Pravda | Published: June 1, 2007
By Tsahi Levent-Levi In my last post, I discussed SigComp and how it relates to the wonderful world of IMS. SigComp though is only part of the IMS compression story. There is more. Much more. Just in case you forgot – messages are big. We would all like to shrink them so that they use [...]
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Compression and IMS: SigComp

By Kfir Pravda | Published: May 4, 2007
By Tsahi Levent-Levi I have been promising to touch on the different aspects of technology related to IMS, and if there is one thing I am good at – it is keeping promises! This time I will start with one of these – compression. For all you history buffs, let me take you back in [...]
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Glossary

By Kfir Pravda | Published: May 14, 2006
SIP SIP (Session Initiation Protocol) is an IP telephony signaling protocol developed by the IETF. SIP is a text-based protocol that is suitable for integrated voice-data applications. SIP is designed for video, voice and data transmission and uses fewer resources and is considerably less complex than H.323. VoIP VoIP (Voice Over IP) is a set [...]
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