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Why subscribers of “Beeline” can’t reach Yota users

The subscribers of “Beeline” from last week can not get through to subscribers of mobile operator Yota. And outgoing with Yota for “Beeline” are one hundred percent of the cases. The users report delivery in social networks and complain EN masse in support of both operators. Yota explained the source of the problem in his blog.

Yota claims that “Beeline” has not been timely scaling their own network, misjudging the dynamics of the growth of its subscriber base. Yota mobile phones are more than a million people, not counting the customers modem product. As stated last year, the former Director General of Yota Anatoly Smorgon, our goal in the next five years to bring in about 10 million customers.

In theory

Yota receives from its parent company “the Megaphone” the possibility of using the existing radio network and switching equipment. In each region of the Russian Federation the company has its so-called signaling points. They are setup and organized voice joining in different directions. The main directions — three:

  • Zonal telephony, in which there is an interdependence between Yota customers and clients with a fixed connection (stationary phones).
  • Calls within the network Yota and calls to subscribers of “MegaFon”.
  • Long-distance (DLD) and international long-distance (ILD) calls. With this direction and bound the problem situation.

The vast majority of operators of MG/MN-the area is inter-regional calls and calls to international numbers. When within Yota network a call is made, for example, from Moscow to St. Petersburg, he falls in the trunk (trunk, trunk) of long distance calls.

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In the standard scheme of the organization of communication are used: the long-distance nodes — long-distance telephone communication centers and straight trunks of the ATP-ATP (the mobile network). They are also called direct accession.

Typically, operators use a number of direct connections to the networks of other operators. That is, the operator of ATP A—ATP B operator, SPS operator And—operator ATP In etc But in the scheme of connection of Yota direct connections no, because he is a MVNO operator.
We don’t need it, because the main partner of the company organized all connections in a contiguous network throughout the country. For this reason, all traffic Yota in the direction of ATP-operators (and from them) is via MG-accession.

Each operator has its own MG-nodes. When a subscriber of “Beeline” call the client Yota, outgoing traffic is first handled by the MG node “Beeline”, and then either passed onto the MG-site of “Megaphone” and Yota further, or is using alternative transit operators. Each operator is free to choose the delivery scenario, the calls of its subscribers on the external network, based on commercial priorities, the quality and reliability of available routes, and many other criteria.

The problem of delivery

When you create a diagram to communicate any new operator in the obligatory order are inter-operator agreements on the exchange of traffic between MG-nodes of each operator. This fully applies to Yota: all operators in all Russian regions were sent out alerts about the numbering Yota running on the basis of a network “Megaphone” that you want to route certain ranges to specific trunks. From all operators, including Beeline, it was confirmed. This is a standard and mandatory procedure defined by the regulator for several years now.

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To say that nadason some subscribers of “Beeline” on the numbering Yota is associated with the existing organization of communication, incorrect. If that were so, customers Yota from the start there would be no connection with the “Beeline”, nor with other operators. The problem lies elsewhere.

It is important to understand that MG-towards the accession of the operators is often unidirectional. That is traffic from the subscriber of operator A to a subscriber of operator B goes one route, and return traffic is the other. And each operator shall be responsible for organizing outgoing traffic of its subscribers on all other numbers. With regard to the current situation — “Beeline” provides the ability to make calls from their subscribers to numbering Yota, and Yota to allow calls from its customers to numbering of “Beeline”.

The nuance is that each operator regularly has to expand the connection to MG-nodes of other operators. When the operator’s customer base grows, this leads to an increase of outgoing calls to the numbering of the operator. If the extension does not hold, then sooner or later the bandwidth of the available streams becomes insufficient. And then customers will start to have trouble with the dialer. Of course, at night and early in the morning, when network load is low, this problem may not be or it may not be massive. But the rest of the time, when people begin to actively use the connection, due to overloading of channels will be one of the 5-10-15 challenge, as anyone lucky.

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This was the reason that some subscribers of “Beeline” can’t reach customers Yota: the attachment was not timely extended. At the moment, trouble with dialing from the network “Beeline” in the numbering are marked Yota in Moscow, St. Petersburg and major cities.

As told in the company, currently negotiating the extension of connections on the side of “Beeline”. The successful solution of the issue can be expected in the near future.

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