Volkan Hatem <vol...@hatem.net> writes: > Cellular radio-access-type changes are even more challenging: 3G to 4G > (vice versa) in theory should be nearly seamless. [...]
> 2G to 3G (vice versa) is even more difficult as in many cases the radio > access will be totally lost causing even longer down time. Is that because the radio has to be changed from "2G mode" to "3G mode"? But there is no substantial change between 3G and 4G transmission? > But in reality IP connectivity will be lost for seconds before it is > recovered. When you say "lost for seconds", roughly how many seconds? Is it 2, or 5, ... or 20? Dale _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
