| Vendor | Date | Operator | Country | Technology | Amount | Notes |
| Siemens | 2006-07-26 | Surry Telecommunications | USA | | | Surry Telecommunications, a subsidiary of Surry Telephone Membership Corporation, has chosen the Siemens® Next Generation Exchange (NGE) solution for continued expansion of the telephone company's next generation of unified data, video and voice over Internet protocol (VoIP) services.
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| Siemens | 2006-06-08 | 3 | Ireland | UMTS | | Contract is awarded to joint venture between NEC and Siemens |
| Siemens | 2005-08-20 | Spice Nepal Pvt. Ltd | Nepal | GSM | $29 million | |
| Siemens | 2005-08-01 | Vodafone Hungary | Hungary | UMTS | | |
| Siemens | 2005-05-02 | U-Fone(Pakistan Mobile Telecommunication) | Pakistan | GSM | $32 million | |
| Siemens | 2004-12-22 | Oskar | Czech Republic | GPRS/EDGE | | |
| Siemens | 2004-12-14 | Cingular Wireless | USA | UMTS | $1 billion(approx) | Siemens got part of the contract to build UMTS/HSDPA network for Cingular |
| Siemens | 2004-11-30 | China Mobile | China | GSM | | Under the terms of the contracts, Siemens will expand the operators' GSM/GPRS networks in Tibet, Xinjiang, Beijing and Shanghai |
| Siemens | 2004-11-30 | China Unicom | China | GSM | | |
| Siemens | 2004-11-14 | Telkomsel | Indonesia | GSM | Euro 300 million | to expand its GSM mobile phone network in Indonesia during the next three years |
| Siemens | 2004-10-28 | SabaFon | Yemen | GSM | $28 million | Siemens will complete the installation work by the end of this year, which will allow SabaFon to provide communications services to an additional 250,000 clients |
| Siemens | 2004-10-25 | Maxis | Malaysia | GSM/UMTS | | Siemens did not state the value of the contract, but it said it has now won three contracts for its third generation communications |
| Siemens | 2004-08-26 | Vodacom | South Africa | 3G UMTS | | Under the terms of the contract, Siemens mobile, the mobile communication group at Siemens AG, is to upgrade Vodacom's existing GSM and GPRS network nationwide with Third Generation radio equipment and switches. This is Siemens' first 3G/W-CDMA contract on the African continent.
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| Siemens | 2004-08-21 | MegaFon | Russia | GSM | Euro 60 million | Expansion contract |
| Siemens | 2004-08-09 | Bharti | India | EDGE | | To deliver and install by September of this year all the components required to commercially deploy EDGE in the network of Bharti's subsidiary Airtel in Kolkata |
| Siemens | 2004-07-28 | OAO Uralsvyazinform (USI) | Russia | GSM | $53.5 million | to install GSM communications technology in Yekaterinburg and two additional locations. |
| Siemens | 2004-07-26 | Loteny Telecom | Ivory Coast | GSM/GPRS | Euro 20 million | The order involves Siemens supplying and installing new mobile transmission and receiving stations (base stations) and switching technology |
| Siemens | 2004-07-22 | Telenor Pakistan | Pakistan | GSM/GPRS | | |
| Siemens | 2004-07-06 | China Mobile | China | GSM/GPRS | $ 41 million | |
| Siemens | 2004-07-02 | Bharti | India | GSM | $ 50 million | Siemens mobile will expand Bharti's network in the circles of Kolkata, Madhya Pradesh and West Bengal. |
| Siemens | 2004-06-21 | Mobtel | Serbia | GSM/GPRS | Euro 20 million | Siemens mobile will deliver and install base stations, switching systems, and microwave technology to connect the base stations with each other. |
| Siemens | 2004-06-14 | Bangladesh Telegraph and Telephone Board(BTTB) | Bangladesh | GSM/GPRS | $41 million | As full equipment provider, Siemens mobile will initially deliver and install base stations, switching systems, microwave technology and GPRS components |
| Siemens | 2004-06-03 | Wind | Italy | 3G(UMTS) | $367 million | Under the terms of the agreement, Siemens mobile will supply and install 3G/UMTS network infrastructure and radio base stations. In addition, Siemens will also optimize Wind's existing mobile network and replace some of its present equipment |
| Siemens | 2004-05-12 | NetCom | Norway | GSM/UMTS | $200 million | delivery and installation of GSM and 3G/UMTS radio and core equipment in the northern part of the country |
| Siemens | 2004-05-05 | MTS | Russia | GSM/UMTS | Over $200 million | Siemens mobile will expand and upgrade the switching subsystems in various regional MTS networks in Russia, Belarus and Ukraine |
| Siemens | 2004-04-29 | AIS | Thailand | GSM/EDGE | $30 million | The order is part of the nationwide expansion of the AIS GSM/GPRS network |
| Siemens | 2004-04-19 | DiGi Communications | Malaysia | GSM/EDGE | | delivery of 170 EDGE base stations in the area around Kuala Lumpur |
| Siemens | 2004-04-02 | China Mobile | China | GSM | $ 30 million | Siemens enhancing the network's capacity providing Power CPs - high-performance processors for the switching systems - and expanding the base stations |
| Siemens | 2004-02-05 | ZAO SMARTS | Russia | GSM | Euro 30 million | The order encompasses delivery, installation, and startup of GSM technology (transmission, reception, and switching systems), microwave systems, and GPRS network elements for the SMARTS subsidiary in central and southwestern Russia |
| Siemens | 2004-01-26 | LuXcommunications S.A. | Luxemburg | 3G/UMTS | | |
| Siemens | 2004-01-17 | Polska Telefonia Cyfrowa | Poland | 3G/UMTS | | covers the Warsaw area |
| Siemens | 2004-01-06 | T-Mobile | Czech Republic | 3G/UMTS | | This is first 3G contract for Siemens in Eastern Europe |
| Siemens | 2003-12-03 | Telefonica Moviles | Spain | 3G/UMTS | | This is first equipment contract for Siemens with Telefonica |
| Siemens | 2003-11-06 | Wataniya Telecom | Iraq | GSM | | |
| Siemens | 2003-10-08 | Pakistan Telecom Mobile (Ufone) | Pakistan | GSM | $ 26 million | |
| Siemens | 2003-09-30 | Oman Telecommunications Co. | Oman | GSM | $ 40 million | |
| Siemens | 2003-09-18 | Oman Telecommunications Co. | Oman | GSM | $ 7 million | |
| Siemens | 2003-08-18 | China Unicom | China | GSM | $ 84 million | |
| Siemens | 2003-07-29 | E-Plus | Germany | GSM/GPRS | Euro 50-80 million | |
| Siemens | 2003-07-28 | Vodafone | Greece | UMTS | | |
| Siemens | 2003-07-21 | Aycell | Turkey | GPRS | Euro 23 million | |
| Siemens | 2003-06-24 | MegaFon | Russia | GSM | Euro 84 million | |
| Siemens | 2003-06-17 | Satelindo | Indonesia | GSM | | |
| Siemens | 2003-06-14 | MTC Vodafone | Bahrain | UMTS | | |
| Siemens | 2003-06-10 | Hutchison | Hong Kong | UMTS | | |
| Siemens | 2003-05-28 | Telekom Americas | Brasil | GSM/EDGE | | |
| Siemens | 2003-05-28 | Colombia Movil | Colombia | GSM/GPRS/EDGE | $ 65 million | |
| Siemens | 2003-05-12 | Escotel | India | GSM | Euro 30 million | |
| Siemens | 2003-04-29 | Digi | Malaysia | EDGE | | |
| Siemens | 2003-03-04 | China Mobile | China | GSM | $ 36 million | |
| Siemens | 2003-02-04 | Tele2 AB | Russia | GSM | | |
| Siemens | 2003-01-29 | TCC | Taiwan | UMTS | | |
| Siemens | 2003-01-19 | TIM Brazil | Brasil | GSM | | |
| Siemens | 2002-12-23 | Digitel | Venezuela | GSM | | |
| Siemens | 2002-11-30 | P&T Luxembourg | Luxembourg | UMTS | | |
| Siemens | 2002-11-12 | Satelindo | Indonesia | GSM | Euro 14 million | |
