CS Networks

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CS Network Solutions Limited
Traded as CS Networks
Industry mobile communications
Founded 2001
Headquarters London, United Kingdom
Key people
Milinko Isakovic, Founder CEO
Stefan Ćertić, Founder CTO, Walter Kerins, Board Member, Slobodan Veselinovic Board Member
Products Service delivery platform
SMS Gateway
Instant Messaging
Operator charging solutions
Operator messaging solutions
MVNO solutions
Professional services
Website CS Networks

CS Network Solutions Limited was a privately-held mobile communications company specialising in charging and messaging systems for mobile network operators (MNOs), mobile virtual network operators (MVNOs) and mobile virtual network enablers (MVNEs). The company’s headquarters was in London, United Kingdom.

As of September 2016 [1] the company website is no longer available, and there is no response on the company's previous contact numbers.


CS Networks was a supplier of telecommunication products for value-added services to mobile operators. The company sold technology for convergent online charging, voice, data and content charging, M2M charging, Advanced Short Message Service Center (SMSC), Short Message Service (SMS), Multimedia Messaging Service (MMS), A2P Messaging, Voucher Management, SMS routing and firewall, USSD gateway and solutions for Policy and Charging Rules Function (PCRF), Mobile Security[2] and Policy Management.


CS Networks was founded in Belgrade, Serbia, in 2001, to supply mobile operators. The company was initially founded as a consultancy company but shifted focus in the late 2000s to products. The first deployment of CS Networks' SMS real-time charging was with TeliaMobile, now TeliaSonera, in Sweden in 2011. In 2009, former CS Networks moves headquarters to United Kingdom, London, forming a CS Network Solutions Limited, keeping its operations center in Belgrade shortly after forming a Strategic Partnership with Galeb Group[3] - Local Industry leader in turn-key solutions of fiscal registers and mobile telecommunication equipment.

2013, CS Network Solutions Limited acquired Globalcell,[4] A Georgian Mobile Operator expanding its businesses to end customers, supplying services within the territory of Georgia.

In April 2013, CS Networks demonstrated a call forwarding security exploit[5] in phone call based two-step authentication. The concept was based by utilising SS7 MAP commands to divert mobile phone calls without interaction with end-users. Exploit has been demonstrated at Mobile World Congress in Barcelona.


  1. ^ https://web.archive.org/web/20160601000000*/cs-networks.net
  2. ^ Cornell University Library. "The Future of Mobile Security", Cornell University Library, London, 28 February 2013. Retrieved on 28 February 2013
  3. ^ Yahoo Finance. "Strategic Partnership with Galeb Group", Yahoo Finance, London, 28 February 2013. Retrieved on28 February 2013
  4. ^ Yahoo Finance. "CS Network Solutions Limited investment in Georgian Globalcell", Yahoo Finance, London, 17 February 2014. Retrieved on 17 February 2014
  5. ^ Yahoo Finance. "How (M) Secure Are You?", Yahoo Finance, London, 30 April 2013. Retrieved on 30 April 2013

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