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Companies using Siemens Gigaset Dx800a Voip Phone SIP

As of 14 October 2026, Firmable tracks 7 companies across 13 countries running Siemens Gigaset Dx800a Voip Phone SIP. See who they are, and who to call.

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Companies using Siemens Gigaset Dx800a Voip Phone SIP

Showing 5 of 7 companies

Telstra International

telstrainternational.com · Telecommunications services · 251–500 employees

Last seen 10 Oct 2026 The most recent date Firmable detected Siemens Gigaset Dx800a Voip Phone SIP at this company.

Decision makers · 178 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Head of Program Management Risk, Compliance, Regulatory, Security, International Networks MobileEmail
Head of Supplier Quoting, Procurement and Supplier Management MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

New Head of Service Management joined · 31 Aug 2026

Telstra Digital Infrastructure launched the Aura Network's Perth to Sydney route, advancing Australian digital infrastructure. · 7 Oct 2026

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WIA spol. s r. o.

wia.cz · IT consulting and support services · 51–250 employees

Last seen 12 Oct 2026 The most recent date Firmable detected Siemens Gigaset Dx800a Voip Phone SIP at this company.

Decision makers · 7 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Owner MobileEmail
CEO & Director of International Operations Mobile

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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MTN South Africa

mtn.co.za · Telecommunications services · 1,001–5,000 employees

Last seen 13 Oct 2026 The most recent date Firmable detected Siemens Gigaset Dx800a Voip Phone SIP at this company.

Decision makers · 6 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

General Manager: Artificial Intelligence MobileEmail
Senior Business Development Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

MTN South Africa partners with UJ and TAEF to launch the Pan-African Media Innovation Programme for young professionals. · 9 Sep 2026

MTN South Africa announced its upcoming 2026 AI Expo celebrating internal AI initiatives and technology partners. · 22 Sep 2026

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Telstra

telstra.com.au · Internet services and web portals · 10,001+ employees

Last seen 17 Sep 2026 The most recent date Firmable detected Siemens Gigaset Dx800a Voip Phone SIP at this company.

Decision makers · 8.2K+ on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Head of Strategic Planning and Performance MobileEmail
Program Director - Modernising Mainform through AI MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Moved into Agile Scrum Lead · 31 Aug 2026

New CEO Telstra Digital Infrastructure appointed · 31 Jul 2026

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Sky TV Live

sky.com · Broadcast media · 10,001+ employees

Last seen 29 Sep 2026 The most recent date Firmable detected Siemens Gigaset Dx800a Voip Phone SIP at this company.

Decision makers · 116 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Senior Business Analyst/Delivery Lead MobileEmail
Sustainability & Compliance Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

New Operations Manager joined · 31 Jul 2026

HBO Max launches its direct-to-consumer streaming service in New Zealand as Sky Group parts company with HBO Max in H1 '26 · 10 Oct 2026

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Who uses Siemens Gigaset Dx800a Voip Phone SIP

A breakdown of the 7 companies running Siemens Gigaset Dx800a Voip Phone SIP.

Top industries

Media and telecommunications4
Information technology and services3

Company size

51–2502 (33%)
251–5001 (17%)
1,001–5,0001 (17%)
10,001+2 (33%)

Share of companies with a recorded size, by employees.

No size recorded: 1

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Frequently asked questions

About the Siemens Gigaset Dx800a Voip Phone SIP data on this page.

How many companies use Siemens Gigaset Dx800a Voip Phone SIP?

Firmable holds confirmed Siemens Gigaset Dx800a Voip Phone SIP detections for 7 distinct companies, 7 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Siemens Gigaset Dx800a Voip Phone SIP?

Telstra International, WIA spol. s r. o. and Telstra are among the most prominent in the current set.

What industries use Siemens Gigaset Dx800a Voip Phone SIP?

Media and telecommunications and information technology and services lead the set, across 2 industries in total.

What size companies use Siemens Gigaset Dx800a Voip Phone SIP?

Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.

Where are Siemens Gigaset Dx800a Voip Phone SIP users based?

The United States, Australia, Canada and Hong Kong account for most detections, across 13 countries.

How current is this data?

7 companies were confirmed in the last 90 days. Last detection 13 October 2026.

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