C2C-IT0042 Hardware IT sale 2017-09-10 C2C-IT0043 Fiber access office Lausanne sale AGR-VETO001 Vétérinaire sale 2017-08-01 AGR-TEL001 Wazo IPBX deployment and maintenance sale 2017-05-05 BUY-VOIP012 SIP Phones supply purchase BUY-VOIP013 SIP-ISDN gateways purchase 2017-09-02