Virtual telephone system
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Virtual telephone system – explanation, functions & costs
A virtual PBX is the modern form of telephony.
It completely replaces the classic hardware system. This allows companies to make virtual calls, add extensions flexibly and save costs.
Advantages at a glance:
- Virtual PBXs combine maximum reliability with ease of use.
- From the very first extension, the user has access to the full range of services of a fully functional telecommunications system.
- With IP telephony via virtual PBXs, the SIP end devices (desk phones) connect to the central telephone system in the network and can thus communicate with other end devices via data lines, even in all other networks.
- The switch to Centrex-based VoIP telephone systems is recommended due to the fail-safe operation in redundant high-security data centers, the flexible scalability of the extensions and the buy & bill principle.
- Your company only pays for the services you actually use.
- There is no longer any complex hardware that needs to be specially administered.
- Thanks to a lifetime update guarantee, there are no additional costs for modernizations in contrast to the classic telecommunications system.
Problem: Traditional telecommunications systems are expensive, complex and inflexible. Every expansion or modernization causes additional costs and effort.
Solution: Virtual telephone systems run in high-security data centers, are flexibly scalable and ready for immediate use. Companies only pay for the services they actually use, without their own hardware or maintenance costs.
>20%
Savings
99,99%
Availability
24/7
Support
Awards for Outstanding Performance
Explained by experts:
Change and installation
Switching to a virtual telephone system is quick and easy. We set up the system completely in the background in advance in coordination with your company. You can start making calls immediately after going live.
Advice in advance is particularly important to us. We clarify with you which functions and features of the hosted telecommunications system are relevant for your company and create a plan on this basis.
Our competent team of trained technicians will set up and install the VoIP telephone system. Of course, our support team will also be on hand afterwards to help you with any questions, changes or subsequent requests.
Contact us to find out more about virtual PBXs and arrange a short, free consultation with us to find out whether and how this hosted PBX solution would suit your company.
Partner
Features and functions of a virtual telephone system
By installing the CTI client, direct dialling from PC applications is possible. This also includes a connection to existing CRM systems. Users can quickly and easily configure basic functions that are commonly used in everyday life themselves via a web interface (= user portal) according to their requirements.
The hosted telecommunications system offers any number of telephone rooms including PIN queries for up to 50 subscribers. Faxes can be sent directly from any Office application with this solution. Faxes are received directly as attachments in PDF format in your own e-mail inbox.
Mobile integration
- Reverse callback function for optimum use of a landline flat rate in the mobile phone contract
- Direct integration of cell phones into the PBX as extensions
- Worldwide connection to the PBX via WLAN or LTE/5G
- Call transfer between the networks, also via mobile data connection if required
- System functions (e.g. executive secretary function, toggling, etc.) also on the cell phone
- Accessibility on cell phone in parallel via mobile phone number and landline number of the PBX
- Selection function on the cell phone, whether calls are to be made via cell phone or via the system
- Callback function for low-cost calls abroad
The system supports the FMC client on the following end devices: Nokia n (Symbian OS), Blackberry (RIM), Apple iPhone (from OS4), Android.
Incoming calls can be automatically distributed using announcements and voice dialogs.
The call center function is a web application and provides evaluations and statistics of calls and queues via the VoIP telephone system.
This function is mainly known from large corporations. The attendant console is a special software for reception that can be used to transfer and monitor any number of calls.
Advantages of a virtual PBX in the company
Fast provision
Global administration
Cost-effective
High flexibility
Location-independent
Customers
Costs of a virtual telephone system
The costs of a virtual PBX are much more transparent and flexible than with traditional telephone systems. You don’t pay for expensive hardware or maintenance, but only for the users and functions that you actually use.
| Cost type | Description |
|---|---|
| Furnishings | Usually low or one-off setup fee |
| Monthly costs | from approx. 5 – 15 € per extension, depending on provider and range of functions |
| Operating costs | No expenses for your own hardware, electricity or maintenance – these are covered by the provider |
| Scalability | Upgrades and downgrades are possible at any time without investing in additional hardware |
Compared to a traditional PBX, companies can save up to 20% with a virtual telephone system and benefit from a flexible cost structure at the same time.
Frequently asked questions about the virtual telephone system
What is a virtual telephone system?
A virtual PBX is a cloud-based telephony solution. All the functions of a classic system are provided in data centers – without the company’s own hardware.
What functions does a virtual PBX offer?
From forwarding, brokering and conference rooms to Fax2Mail, call center functions and the integration of smartphones as extensions – all classic telephone system functions are included.
How do I install a virtual PBX?
Setup takes place completely in the background. End devices (e.g. SIP telephones or softphones) are preconfigured and can be used immediately.
What does a virtual PBX cost?
The costs usually start at € 5 – 15 per user / month. As no hardware is required, maintenance and investment costs are eliminated. This saves companies considerable money in the long term.
How secure is a virtual telephone system?
Voice transmission is encrypted (e.g. SRTP). In addition, the systems are operated in certified high-security data centers, which guarantees reliability and data protection.
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IP telephony as a virtual telephone system – and it’s that simple
The SIP end devices connect to the central telephone system in the network and transmit voice packets to other end devices via data lines. The signalling data is encrypted using the G711 codec, which optimizes both voice quality and bandwidth requirements (TÜV certified). Additional security is provided by booking voice data encryption using SRTP.
Fax transmission from conventional terminals can also be integrated into the system via the T38 protocol. An ATA (Analog Terminal Adapter) converts the analog signal into a digital signal and can thus communicate with the hosted telecommunications system. However, you also have the option of switching completely to eFax. With this solution, faxes can be sent directly from any Office application. Faxes are received directly as attachments in pdf format in your own e-mail inbox.
Provider
A low-cost, flexible and maintenance-free virtual telecommunications system is becoming increasingly attractive for companies. Of course, there is a large number of providers. Savecall can put you in touch with all national and international providers and find the right solution for your business case.
Classic functions of a virtual telephone system
Call management & capacity
- No limit on the number of incoming or outgoing calls per system
- Up to 5 parallel incoming or outgoing calls per terminal device (exceptions: e-Fax and attendant console – here there are more)
Telephone numbers & exchange lines
- Selective definition of exchange line authorization per extension (internal only, local only, national only, international)
- Incoming and outgoing calls via different numbers (max. up to 1,000 external lines)
- Free choice of exchange line to be used for outgoing calls
- Free selection of the individual number to be signaled for each outgoing call
Conversation management & mediation
- Consultation, hold and toggling between calls
- Signaling the call status of individual extensions on the terminal device (busy field lamps)
- Switching (internal, external) with and without consultation
- Freely definable parallel call to other internal extensions or external subscribers
- Forwarding calls via function keys (call deflection)
- Optional: Call waiting on extensions
Address book & call lists
- Name resolution via central phone book for incoming calls
- Call pick-up within the system, within groups and from individual extensions (via speed dialling or function keys on the terminal device)
- Call list with date, time, telephone number (outgoing, incoming, missed calls incl. identification of group calls and external line used)
Audio & user experience
- Individual music on hold per customer and per queue
- DTMF outgoing and incoming – Phone number display on the telephone
Special functions & convenience
- Executive secretary function
- Hotdesking – flexible workstation selection, logging on and off an extension on different end devices
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