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[17] [18] The telecom minister said that BSNL will launch its 4G services all over India on the 75th Independence Day of India along with various other projects. [19] BSNL is using 700 MHz and 2100 MHz bands to roll out the 4G services which can be upgraded to 5G in the future. BSNL has installed more than 40,000 plus 4G enabled and 5G ready ...
When an incoming call is received it is possible for the network to indicate the closed user group that is being applied to the call to the called user. For example: Mr Smith, a senior member at a pizza delivery outlet, could be a member of two closed user groups: his own team of pizza delivery agents;
Bharat Sanchar Nigam Limited (BSNL) was incorporated on 15 September 2000. It took over the business of providing telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1 October 2000 on a going concern basis, in early days it was known as CellOne for GSM mobile services, Excel for ...
Barring of Outgoing Calls. Barring of Incoming Calls. Advice of Charge (AoC). This GSM service estimates the call cost for display on the user's mobile phone. [1] This helps users by preventing bill shock [2] and reduces the load on the mobile network operator's customer service department. However, in practice, this GSM service is rarely used ...
Many customer-owned coin-operated telephones (COCOT) answer the phone at first ring with a built in modem which can be accessed by technicians to report conditions and program function parameters, one programmable function is the number of rings until the modem answers, another is whether to impose an additional charge for incoming calls or ...
If a call is delivered to line 1, the next call goes to 2, the next to 3. The succession throughout each of the lines continues even if one of the previous lines becomes free. When the end of the hunt group is reached, the hunting starts over at the first line.
When travelling, the user has a list of access numbers for various countries, enabling them to call from any phone in most countries and be able to top-up the card. The so-called rechargeable calling card is merely a marketing device, but it is convenient to many users because it is a durable credit card size card.
In the US, incoming calls are also barred, while in some other countries, a prepaid mobile with zero balance may still receive calls and texts. This results in an "on/off" or "all or nothing" proposition for the prepaid service providers and their clients (i.e. the account either has enough credit to use the phone, or it does not).