2. Everything you always wanted to know about…

3. …CERN’s new mobile operator Peter JURCSO BE-CO-IN

4. Why to change now? CERN regularly re-tendering service contracts to have the “Best value for money” Call for tender for new mobile operator was launched in 2014 after 8 years with Sunrise Contract with new provider approved by Finance Committee in December 2014 4 years initial contract with optional extensions up to 16 years for mobile voice and data services

5. Swisscom Improved mobile services LTE (4G) available on Swiss side UMTS (3G) and LTE (4G) under authorization for French side UMTS (3G) and LTE (4G) in the underground facilities up to 150Mbps download speed in LHC experimental areas New tariffs: ~ 50% cost reduction in average Significantly cheaper data roaming New SIM cards and new numbers 5

6. Network migration challenges The network must be installed while operating the current one: New space, fibers & power supplies required in all sites New mast/antennae for outdoor coverage The complexity of the network : 2G, 3G and 4G in all sites 14 outdoor & 37 indoor sites 17 CERN indoor sites in the LHC (REs & TI8) Advanced services must be integrated: Roaming control, switch board interconnection… Regulation and legal permits in two countries The new network will be ready by 1 st of June 6

7. Outdoor (14 installations) Meyrin (3 sites): Building 60 Water tower Building 361 (PS) Prevessin (2 sites): Building 866 Building 887 SPS (1 site): BB4 LHC (8 sites) SD2, 4, 5, 6, 7, 8 SZ33 SDX1 7

8. Indoor and underground (54) LHC: 9 sites on the surface covering the lifts and caverns 16 CERN sites in the REs covering the tunnel SCX5 Transfer lines : 1 sites covering TI2 and 1 CERN site covering TI8 SPS (8 sites) Meyrin: PS, AD, LINAC3, LINAC 4, N_TOF, CFT3, ISR, DIRAC, ISOLDE Buildings 358, 2013, 839 Prevessin: North area, building 911 SM18 (1 site) Transmission: Buildings 58, 513, 874 8

9. Migration New number range: +41 75 411 xxxx 16xxxx will not change You are responsible to inform your outside contacts and update your websites, databases, applications, documentation etc. SIM cards distributed from 1 st of June In 774-1-032 as already confirmed by email Same size as your current one (mini/micro or nano) Activation of cards on 15 th of June to be able to test them with your phone Change of SIM cards on 24 th of June at 09:00 9

10. Service update schedule 23 June 17:30-23:00 Foundation database, Active directory LDAP, XLDAP, CSDB (landb) 24 June 0:00-3:00 Lync and Exchange servers, Service Now 24 June 8:30-9:00 E-groups using mail2sms gateway, phonebook Switchboard for 16xxxx EDH, CET, HRT, HR databases 24 June after 9:00 Mobicall, DIAMON notifications, LASER Spectrum, ODM, CSAM, BAAN 10

11. After the migration Update your contacts by using the web tool https://cern.ch/resources/Manage/EMail/gsmmigration.aspx Attention! Do not use it before the migration: no roll back possible! From 24 th June 12:00 until 31 st August Old numbers will be redirected to an automatic message informing the caller on the new number Impossible to inform SMS senders! 1 st of July: Sunrise equipment switched off Expect loss of Sunrise coverage in Pays de Gex: consider to change your private subscriptions Private option temporary will be unavailable on Swisscom network 11

12. Mail2sms gateway change Only the international format will be accepted (which can be already used): +fullnumber@mail2sms.cern.ch 16xxxx -> +4175411xxxx@mail2sms.cern.ch Check your applications and databases! E-groups containing mail2sms addresses will be automatically converted SMS will contain the first 160 chars of: Sender_address + space + Email_subject + space + Email_body 12

13. Unchanged after the migration Short16xxxx numbers Subscription type (professional/private) Calling privileges (outside calls, roaming) Mail2sms with full international number 8/28/2015 Document reference13

14. Summary: Important dates 1 June Start of SIM card distribution 15 June Activation of SIM cards 24 June: Migration day 9:00 change of SIM cards 12:00 no more incoming calls on the old number 1 July Sunrise equipment switched off 31 August End of number new number announcement on the old numbers 14

16. Additional information https://gsm-migration.web.cern.ch/