Using tata docomo u can use fring for voice talk. Comparitively low rate for accessing gprs and also better speed than any other network. I am presently using this for voice talking through gmail to my husband. Better u can use any E series phone for more voice clarity and video chatting is also enabled in these types of phones through fring software. For videa chatting it needs 3G supporting network. BSNL network is not cost effective comparing to other networks.
Regards,
Dhanya Mohan
On Thu, Jan 27, 2011 at 2:07 AM, Robin Mathew Rajan <robinmathewrajan@yahoo.com> wrote:
Dear Jerin,
BSNL is giving out 3G SIM (USIM) to the general public in Kerala (for more information contact the nearest BSNL office), but 3G is merely a service from your Service Provider. We can access 3G service even from a 2G ordinary SIM with a 3G enabled mobile phone (check out the website of your phone vendor if it is 3G capable or not). We only have to do is to send a particular SMS (SMS format varies according to the Service Provider) or calling the customer care and requesting to access thier 3G data plans. Like all VAS (Value Added Service) plans, you have to pay them for the 3G data service. Without any 3G data subscription, you can only enjoy the increased call quality without any dropped calls (dropped call is the common term for a wireless mobile phone call that is terminated unexpectedly as a result of technical reasons, including presence in a dead zone).The only fact about the 3G capable SIM is that, it include increased protection from data thefts & increased phone book memory for contacts & messages. The extra allocated memmory is pretty useless now-a-days because now 3G phones have unlimited phonebook & message capacities & we store much of that information in the phone itself. So I don't think it has any great importance now. Another improvement is that it adds some extra & improved authentication keys when communicating with a network and again it doesn't make any sense to the general public as they are less prone to identity thefts unless they are Tata's or Ambani's or any VVIP's. Even if you have a 3G enabled mobile phone with a 3G SIM card (or USIM card) you can only access the regular fuctions such as regular calling or any other free services without a data subscription. In Kerala, IDEA, TATA & AIRCEL has acquired 3G licenses. BSNL have 3G license all over the country. Nimbus, fring, eBuddy, Gtalk or similar applications will work on a regular 2G conection if you have subscribed to a data plan & it is not bound to any SIM card, it is only bound to the phone model you are using & to the service from the service provider. I'm using ebuddy to text my friends on a Airtel connection on a regular 2G network. If you are trying to call other online friends using VoIP technology (Voice Over Internet Protocol), it would be a great dissatisfaction due to lower data rates of a 2G connection. For that 3G is better, but I recommend not to go for a 3G SIM now, instead just send a sms request to BSNL allowing to access their 3G services. You have to call out the Customer Care to know what the SMS format is.
Here is some extracted text from Wikipedia about the USIM.
Universal subscriber identity module
A Universal Subscriber Identity Module is an application for UMTS mobile telephony running on a UICC smart card which is inserted in a 3G mobile phone. There is a common misconception to call the UICC itself a USIM, but the USIM is merely a logical entity on the physical card.It stores user subscriber information, authentication information and provides storage space for text messages and phone book contacts. The phone book on a UICC has been greatly enhanced.For authentication purposes, the USIM stores a long-term pre-shared secret key K, which is shared with the Authentication Center (AuC) in the network. The USIM also verifies a sequence number that must be within a range using a window mechanism to avoid replay attacks, and is in charge of generating the session keys CK and IK to be used in the confidentiality and integrity algorithms of the KASUMI block cipher in UMTS.If you want more details about the USIM card click on this link: http://en.wikipedia.org/wiki/UICCRegards,Robin Mathew Rajan
From: jerin thomas <jerinkalayil@gmail.com>
To: Keralites <Keralites@YahooGroups.com>
Cc:
Sent: Monday, 24 January 2011 5:29 PM
Subject: [www.keralites.net] PLS HELP ME
DEAR FRIENDSഇപ്പോള് നാട്ടില് എല്ലാ മൊബൈല് സര്വീസ്ക്കാരും സിമ്മില് കൂടെ ഇന്റര് നെറ്റ് USE ചെയ്യാന് ഉള്ള fecility നല്കുന്നുനുണ്ട്കൂട്ടുകാരില് ആര്ക്കെകെങ്കില്ലും അറിയാമോ .ഗൂഗിള് ടോക്ക് പോലുള്ള(like nimbuz ) സോഫ്റ്റ്വെയര് use ചെയാന് പറ്റുന്ന സിം കാര്ഡ് കേരളത്തില് available ആണോ?അതായത് 3G support ചെയുന്ന സിമുകള് കേരളത്തില് ഇപ്പോള് ഉണ്ടോBSNL അങ്ങനെയുള്ള സിം നല്കുന്നു എന്ന് കേട്ടു.ഇതു കേരളത്തില് possible ആണോ?എനിക്ക് എന്റെ മൊബൈലില് നിന്നും ഗൂഗിള് ടോക്ക് സാധ്യം ആണോ?Regardsജെറിന്
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