has really bsnl covered all states including tamilnadu in 4g roll out

can i take it, that bsnl is broadcasting 4g on band 1,3, and 41, but every signal by these bands are neatly swallowed by band 28, so they are not able to latch on by those supported mobile. If this is the case, then only those phones which support band28 would be having 4g in real sense. Bsnl advertises that they have upgraded to 4g making people believe that their sims could latch on to 4g signals. Most persons knowing the delay in shifting to 4g has already left it to other service providers and I hoped that since the govt strategically suppports it, will be introducing this in all sims ireespective of phone models. Is it not correct to say, that this band swallows , all the bands signals that could be caught by those not supporting band 28 models. So even when you get lte, your phone would show as +hspa or 3g.
 
It's a little hard trying to understand what you wrote. Like I said before, each band has their limits. Band 28 can reach farthest, band 1 a little less and band 41 the least distance from the signal origin. Nothing swallows the other bands.

If you are still getting 3g signal then they are using band 1 to provide that. So no 4g until they shut down 3g to provide 4g. They may be using band 28 only to provide 4g signal.
 
Hi, slol , sorry for the delay in writing. I thought, that the least effective bands would not work, if bsnl introduces band 28. Your remarks have made it clear that i misunderstood that. I also told that my phone is Redmi Note 10 pro. what i did experience is something more than just bands. the bsnl tech officer contacted me and said that there was an issue in the tower connected to my area and he will repair it. I just checked my phone , and it occasionally shows 4g after falling back to 2g. So, i have checked if my sim is 4g supported sim . Yes it is , but when i connect to a call on that time, my call would not go through. Then the call will go through only on my tower showing 3g . So the issue was not only band and 4g provision in the tower. When I checked my phone inner information, to check if the ims is registered, it shows as not registered. the volte tab was enabled, but the ims status shows as not registered. So, I gave a complaint to customer care executive , to activate volte at their back end, which they say will do in 48 hours. I already tired avtvolte to 53733 , misssed call to 53734 from my mobile. No response or confirmation messages. this is at this stage that i am writing this to you
 
Hope they fix issues on their side and enable VoLTE quickly. But the signal reaching you inside the house might still be an issue on band 1 which you can test after they fix their issues.

It took some time for them to enable VoLTE for me too but I simply sent an SMS and forgot about it. So just be patient, it will get enabled.
 
Hi, thanks , will wait. is the process not automated . Yesterday, i gave the complaint. Nothing happened. again today, i contacted and ask the staff to take the caomplaint. I got a docket No. what is this important step of IMS registration. pl let me know. is one time registration enough for one sim. I do not know, so I ask. is it any settings issue in the phone, that they could correct in their end or a kind of sim activation,pl
 
Even if you get 4G, it might be just for data and not calls. They might take time to enable VoLTE for all. For the phone, you just have to toggle VoLTE on and wait. Just wait for them to complete the process on their end.
 
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