Sunrise, the Swiss telco owned by TDC, has signed a national roaming agreement with the new corporate GSM mobile phone provider in&phone. The agreement brings together a national GSM provider and a specialized GSM partner for the first time in Switzerland. in&phone specialises in the area of ‘on campus solutions’ on company premises. The agreement will enable in&phone to offer its customers mobile phone services across the whole of Switzerland while strengthening the wholesale activities of sunrise. “sunrise is just the partner we’ve been looking for. Its state-of-the-art mobile network for GSM and GPRS services with national coverage, coupled with its wide range of fixed network products, is precisely what our customers need to expand their campus networks”, explained Alois Widmann, CEO of in&phone.