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KumaarShah

RIM Guru
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Everything posted by KumaarShah

  1. Dual Sim Holder

    Wowieeeee!!!!! 2 RCOM mobiles???? Anyway, you can opt for free R2R pack in one of the mobiles and then call forward all calls to the other mobile. Hope you use only one mobile for making outgoing calls. And carry only one mobile. Hope this works for you. Other than this, no other trick possible with RCOM.
  2. Looking For A Cdma Set With Scheduler Feature

    ^^^ What he is asking is annually recurring events like in Nokia. This feature is not available in LG models. I suppose he has to go in for NOKIA only for CDMA, but in GSM, even SE has this feature. Not too sure about other brands and models.
  3. This could be the reason why many operators inform you that "you have made so many calls today to CC" and maybe bar calls to CC for some period. And all along RCOM did not have this feature, now they will also possibly have it. But in my 2 RCOM prepaids, I sometimes get that type of message when I would have called up more than 5 times a day. Wonder if RCOM prepaid's CC is outsourced.
  4. Bsnl Unveils 3g Services In Pune

    Let the others (private telcos) suffer a run for their money's worth for once atleast. Hope BSNL extends it soon all over India.
  5. ^^^ So now (i.e after 6 months at least) BSNL will hopefully provide excellent plans for even landlines. Then the private telcos like Airtel, RCOM, TATA etc will have a taste of their own medicine. It is news to me that because of lack of CDR facility, BSNL/MTNL could not provide such competitive services. It is further a mystery as they have waited all along for this facility. Hope the Babus do not get greased this time to delay this.
  6. Some Optical Illusions.

    superb ones, good going....
  7. Opinion Poll Between Different Operating Systems

    XP with SP2 for me is still very comfortable. Not yet tried SP3, will post later on. As for the others, no idea as I haven't tried yet...
  8. Some Optical Illusions.

    Thanks for the Superb ones, asit. keep posting such good stuff.....
  9. Some Optical Illusions.

    Excellent collections, Dr.Ali. Even I could not see any dolphins, what about you? How many did you see? And the window is on the right side of the building, I guess (Not too sure) Any reasons?.... The number of persons in the image remains the same, only the top half keeps changing. The image changed only once for me. All in all excellent illusions. Good ones. Keep posting more...
  10. ^^^ I also agree with raccoon, RCOM will not provide wow tariffs for GSM as there is no such scope now. All other operators are almost matching the tariffs of RCOM already. I will go one step ahead and say, RCOM-GSM will be a sure flop. Because with the kind of controls they have put in CDMA, they will find it very difficult to open up for GSM also. They will simply replicate the tariffs of CDMA in GSM and god forbid, they will also copy SMS charges, no SMS schemes, WAP/GPRS at exorbitant charges, etc. Of course onnet will be there as in CDMA, they still think everybody should have only RCOM connections and no other. They have a very strong monopolistic mentality right from DHA's days and this continues in all they (ADA and also MDA) do.
  11. Does the above mean we can use RCOM's RIC cards (or Voda's WCC card) to make STD/ISD calls from our BSNL landlines? If yes, this will be very good.
  12. @ Ali Bhai, Thanks one again. Some more. Wishes are always endless, you know!!!
  13. Good tone, Ali bhai. Keep it coming....Thanks...
  14. Ridiculous, there will be massive protests if things do come true as stated....
  15. Urgent Help Required

    ^^^ Slider strip, check it with a ASC or the local repairwala.
  16. Another round of long drawn court battles may be seen. Hope the telcos do not battle it out with the ISPs and allow the customers interests to be safeguarded.
  17. How come our very own RCOM is missing in the list? It should have qualified to have been right on top, miles ahead of Vodafone, Tata Sky and Sify? It appears that the list may have been manipulated by vested interests. That RCOM is nowhere speaks volumes by itself.
  18. Is Reliance Launching Iphone 3g ?

    Oh and thanks!!!! Yes, I am totally out of sync with NI slang....
  19. Is Reliance Launching Iphone 3g ?

    Who is dear susri?
  20. Nokia 6275 Security Password Forgot....

    AFAIK, only Nokia ASc can help you out. But maybe the local neighbourhood cellphone repairwala can also help.
  21. Is Reliance Launching Iphone 3g ?

    Very good negative yet completely true post on the iPhone!!!!!
  22. Happy Independence Day !

    HAPPY INDEPENDENCE DAY TO ALL HERE. JAI HIND.
  23. What iPhone 3G users should know about 3G networks It’s with surprise that I read a post on The Register and another on TUAW regarding the iPhone 3G’s speed, or lack thereof. The way 3G networks operate has some fundamental differences compared to GPRS or EDGE, the so-called 2G or 2.5G networks. A word of caution before you proceed, if you are a tech purist - I am explaining this in the simplest terms I can find, so don’t be offended by over-simplification. “Scotty, we’ll need everything you’ve got.” [1] Let me bore you with a primer on the “old” technology. In the very old days, packet data didn’t exist on GSM cellular networks. Each GSM frequency (also known as physical channel) would be split into eight full-rate (remeber the old EFR hacks?) timeslots, or sixteen half-rate. Voice was digitized using a vocoder, and transmitted to the cell tower using one of the timeslots. The tower then passed it along the switching network, to be terminated at another GSM terminal, or sent out to the PSTN where it could also be converted back to analog for further relay to landline phones. SMS would be sent over the control channel, thus not taking up timeslots for voice calls. When data was first introduced to GSM, it was in the form of circuit-switched calls, the equivalent to the analog modems used in the early internet days. Since this was the equivalent of dialing a landline modem, the network could only provide one timeslot, and a brute rate of 9.6kbps (yeah, imagine the iPhone running on that!). Then came GPRS, which brought packet-data to the phone, allowing the adjoining of several timeslots into one single packet-switched call, theoretically giving rates of 56 to 114kbps, which in reality could be as low as 9.6kbps, as cell operators would prioritize voice calls over data. The same occupation time of a timeslot on voice could earn the operator up to 10 times more than the same slot used for data. Thus, in the days when cell density was very low, and voice capability scarce, it was not uncommon to find that a tower would have only one timeslot reserved for GPRS and the rest for voice, sending you back to switched-call speeds. I am the EDGE! [2] When new modulation schemes and tighter timing capabilities made it possible, GPRS was upgraded to EDGE, which is an acronym for Enhanced Data rates for GSM Evolution. The theoretical maximum speed a packet-switched connection could now achieve was raised to 236.8kbps, with an upload speed of 59.2kbps. The upload and download speeds can be balanced to give a more symmetric connection, but this is rarely used. Remember that we are still talking about chopping up a finite resource, a radio frequency channel, into smaller chunks, each of which can now carry data at increasing speeds, and also be aggregated to boost the overall transfer rate. Slow? Twelve minutes? Hannibal, I had to say hello! [3] One day in some lab, a fool invented CDMA. Well, not a fool, a very clever individual - just that the use of CDMA has been taken out of its initial expectations. CDMA stands for Code Division Multiple Access. Contrary to GSM which uses TDMA, or Time Division Multiple Access, and divides the spectrum into timed slots for use by one mobile station at a time, CDMA allows ALL stations to talk to to the tower at once, with each given an individual code that is embedded in all transmissions. Then, using this code, the tower and terminal can tell who’s traffic it is amidst all the noise. OK, it’s hard to imagine - let’s try a practical example. Imagine a room full of people, all talking at once to a host. The host gives each member of the public a phrase book in a different language, which they must use to translate what they want to say to the host. The host can then attempt to figure out who is saying what by figuring out the language of each utterance, and translating it back to the original. Sounds complex? You bet! The size of the room was also increased, whereas GSM used 200kHz of spectrum for its eight timeslots, 3G/UMTS using CDMA uses 5MHz, 25 times more spectrum, to achieve a theoretical maximum 14Mbps throughput. In practice, 3G HSDPA has only been able to achieve 7.2Mbps download so far, with HSDPA trying to improve the upload speed. Before going further, if we compare the transfer speeds of each technology, EDGE can receive 1.18 kb/kHz, compared to 1.44 kb/kHz for HSDPA. Nothing to write home about, considering the huge costs this technology is having, I would say! Stop it already, tell me what’s wrong with my iPhone! What is basically wrong is that you have a beautiful screen on a beautiful mobile phone, capable of rendering full-size web pages…but you are sharing your internet connection with all your neighbors. In essence, 3G is allowing everyone to take a piece of the spectrum and use it to send and receive voice and data. This means a single 3G tower can handle a huge ammount of voice traffic, as it uses fewer resources, but when data is also added, it can be strongly degraded. I would venture that operators still prioritize voice over data on their 3G networks. The key issue to remember is that the download rate is “per tower”, not per user. So, if two users using HSDPA are on the same tower, they will each get a maximum throughput of 3.6Mbps. Divide even further, and the more users you have the worse experience everyone gets. Further add tons of voice calls into the mix, and you have what The Register and TUAW describe in their posts - frustration. The blame may be at the iPhone’s radio, but from what I have been experiencing in Spain, Telefonica’s GPRS network provides almost as good speed as 3G in the very busy Barcelona. Why? Because my GPRS connection is getting better, as more voice traffic is dumped on the 3G networks, and I have more slots to myself! Movie quotes: 1. Scotty in Star Trek, first series. 2. Aeon Flux in, well, Aeon Flux. 3. Face in The A-Team. Link: http://the.firehou.se/2008/08/13/what-ipho...ut-3g-networks/
  24. ^^^ Any news of RCOMs figures for July? Are they still retaining the No.2 spot or have they vacated it to Vodafone? At 50.95 mn as of July 08, Vodafone appears marginally higher than RCOM's 50.8 mn as of June 08. Hope the stats are correct.
  25. ^^^ Thats because all the private telcos want to milk you dry for as long as possible.
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