UK telecommunications giant BT has undergone a deal with O2 to consolidate the mobile operator's fixed line and mobile networks.

O2 's outages has rendered it famous, after it took on the exclusive iPhone deal in the UK from Apple.

The multi-million pound contract would see the UK's largest fixed line network outfit using its cutting-edge 21st Century Network (21CN) platform to consolidate O2's network infrastructure to assist it offer endless services.

Also, O2's chief executive, Nigel Purdy, has already admitted to the imposing pressure due to recurrent network congestion after the blockbuster device was unveiled on its networks, citing that the data-traffic on the company's networks has soared almost 18-fold on account to the launch of smartphones.

"As we move to an all-IP world and as data traffic volumes increase, the consolidation of our fixed and mobile core networks is a common sense approach that will help future-proof our business and provide the best possible service for our customers," he added.

O2 had previously been working with BT on its fixed line offerings of landlines and broadband to business customers.

BT poses an urgent need to beef up its mobile sector and it cannot be overruled that one day, BT will become a MVNO again.