SIP Phones: Modern calling made simple
If you’ve ever heard about a SIP phone and wondered what it actually is, you’re not alone. The term sounds technical, but the idea is simple: a SIP phone is a device that makes phone calls over the internet instead of traditional phone lines.
SIP stands for Session Initiation Protocol, the technology that sets up, manages and ends calls online. A SIP phone uses this protocol to handle everything from ringing to disconnecting, giving you clearer, faster and more flexible communication.
What is a SIP IP phone?
A SIP IP phone looks just like a normal desk phone. The difference is how it connects.
Instead of plugging into a phone socket, it connects to your network using the internet.
That means your calls travel digitally, not across copper lines. You can use a SIP IP phone anywhere with a stable internet connection, whether you’re at the office, working from home or travelling abroad.
Businesses choose SIP because it offers:
- High-quality audio
- Lower calling costs
- Flexible remote working
- Easy scalability
It’s a modern alternative to traditional telephony, built for companies that want reliability without complexity.
Why businesses choose SIP phones
For growing organisations, a SIP phone is a practical, future-ready choice. It combines the familiar reliability of a desk handset with the flexibility of internet-based calling.
With SIP, you can:
- Work from anywhere — take your sip ip phone wherever you have internet
- Reduce costs — no expensive physical phone lines
- Scale easily — add or remove phones in minutes
- Access advanced features — voicemail, call history, forwarding and more
- Choose any brand — SIP is an open standard, so you're not locked into one provider
SIP phones let you shape communication around your business, instead of the other way around.
How SIP phones work with Xelion
Xelion’s platform is built to connect smoothly with SIP devices. Whether you use desk handsets, DECT phones, softphones or mobile apps, everything runs in one streamlined system.
To keep conversations secure, Xelion also supports SIP TLS and SIPS, the encrypted versions of SIP. This technology protects your call signalling so traffic can’t be intercepted or read, giving your team safer communication without extra steps.
With Xelion, your setup becomes simple and powerful:
- Xelion software works with the vast majority of SIP phones
- Secure, encrypted calling via SIP TLS and SIPS
- Central management for users, devices and settings
- Cloud-based reliability with automatic updates
Your SIP phone becomes part of a complete business communication platform that grows with you.
Start with Xelion today
SIP technology makes business communication flexible, secure and easy to manage. With Xelion, your SIP IP phones work smarter and your team stays connected, in the office, at home or on the move.
