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Mobile operators are forced to find solutions that are spectrum-efficient, with Vodacom`s VOLTE solution being the latest example.Mobile operators are forced to find solutions that are spectrum-efficient, with Vodacom`s VOLTE solution being the latest example.

While Vodacom`s voice-over-LTE solution is in line with global trends, analysts say it is also an example of how operators are forced to squeeze assets.

Tags: Voice-over-long-term-evolution , VOLTE