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The landline number for your business

Thanks to pascom ONE and the pascom ONE SIP trunk*, your business will enjoy all the benefits of a cloud-based VoIP telephony solution. Simply connect all your offices, branch locations and remote workers via one central cloud phone system and pascom’s SIP trunking services ensure you, your team, and your customers stay connected and are always availabe on their business phone numbers.

*pascom SIP Trunks are currently only available for Austrian and German customers

  • Simple setup and number porting.
  • Make and receive calls worldwide via Internet Telephony (VoIP).
  • Work from anywhere on your smartphone, tablet, or laptop.
  • Easily grow your solution as your business grows.
To cloud phone systems

pascom ONE SIP Trunking Benefits

pascom FairFlats

With four flexible FlatRate tarifs available, choosing the right pascom ONE SIP trunk flatrate voice bundle for your business is simple and means you only pay for what you actually need.

Bring your number with you

Our pascom SIP trunk porting team will take care of the porting process, making it easy to bring your existing landline phone number with you and ensuring business as usual thanks to a seamless, stress free migration.

Cost Transparency

As an all-in-one phone system & SIP trunking provider, pascom gives you greater transparency and control over your telecoms costs & makes budget planning much simpler.

Make & receive business calls worldwide

As pascom’s All-in-ONE SIP trunking and VoIP phone system solutions are cloud based, all your Voice and Messaging tools are instantly available from anywhere in one app, on your desktop, smartphone and tablet. Provided you have an Internet connection, you and your team can make and receive calls no matter where you are currently working from: in the office, at home or even while on the go on your mobile.

  • Stay connected on your office number from anywhere.
  • Mobile access to all your essential telephony tools.
  • No need to handout private phone numbers.
More on Mobile VoIP

Bring your existing phone number with you

Want to keep your existing business phone number? No problem, at pascom our team will manage the whole porting process for you. Even if your contracts with your existing telephony provider still have some time to run, we can plan the porting process for a later date, so that the switch to pascom is seamless and effortless. Startups and expanding businesses that need new business phone numbers can easily add new numbers to their solution via mypascom online portal.

  • We take care of the porting process for you.
  • Plan the porting process according to what’s best for you.
  • pascom Concurrent User licence includes 1 number per CU.
  • Online portal to easily manage and add new phone numbers.

Fully Compatible

Benefit from tried and tested compatibility with pascom as your VoIP telephony provider. The benefit of an all-in-one VoIP phone system and SIP trunking provider is that every aspect of your communication solution, from your pascom SIP trunk to your phone system IVR menus, automatic call distribution, and the VoIP Softphone Apps are all developed by pascom, ensuring that they work seamlessly together.

  • Made & Hosted in Germany.
  • ISO 27001 Certified.
  • Guaranteed uptime to ensure maximum availability.
  • Continual stress and penetration testing

All-In-One Business PBX and SIP Trunking Solution

All the Modern Workplace tools you need to communicate professionally - all in ONE place

Business Telephony

SIP Trunking, Queues, Prompts, IVRs, Time-based Routing, and mucn more.


Call, chat, share and meet in one place, on your desktop, smartphone and tablet.


Connect with customers and colleagues everywhere with video and web meetings.


Effortlessly integrate pascom into your daily workflows and business software.

Why switch to the pascom ONE cloud phone system?

The pascom cloud phone system is a software-based virtual phone system solution that combines all the functionality of a traditional PBX with modern team collaboration and remote working tools to keep your team and customers connected. No matter where your team works from, they will have instant access to a reliable, secure and high-performing communications solution designed to deliver the extra flexibility and scalability that your business requires - from Team Collaboration to Home Office Working.

  • Work from anywhere
  • Simple setup and management
  • Cloud Unified Communications
  • Android/iOS mobile VoIP apps
  • Video conferencing & web meetings
  • Advanced Call & Contact centre
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