The telecoms incumbent, whose BT Mobile business service now runs on Vodafone’s GSM/GPRS network, became the first mobile virtual network operator in Europe to forge its own deal with Research In Motion Ltd in November. It previously resold the BlackBerry service of former host operator mmO2.

Siemens’ unusual SK65, which sports a revolving Qwerty keypad beneath a relatively conventional handset fascia, is the first result of RIM’s BlackBerry Built-In program. The handset offers a complete BlackBerry experience unlike BlackBerry Connect-compatible models, which only have access to email and calendar functions.