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xtelsio CTI Client
What xtelsio CTI Client is
xtelsio CTI Client is Windows software for computer-assisted telephony. Its PhoneDialog supports call answering, call history, speed dial, contact lookup, and call notes. The client can use contacts from classic Outlook, Google Contacts, Lotus Notes, ACT!, CardDAV, ODBC databases, LDAP, and CSV files. The vendor says the 2025 New Outlook is not supported; Outlook integration is listed for classic Outlook. Telephony support includes TAPI-enabled phones and PBXs, plus integrated connectors for Asterisk, FRITZ!Box, snom, Yealink, Mitel/Aastra, and Fanvil. Some controls, such as hold, consultation, conference, and forwarding, depend on the TAPI driver or phone and may be unavailable. CTI Server adds presence management, server-based speed dial panels, TeamChat, and an offline call journal. CTI Client 3.1 Standard and Professional have a 30-day trial; the listed CTI Client 2.2 lite freeware edition has limited functionality and one phone book capped at 200 entries. The listed workstation-license prices are 42,00 EUR without VAT for Professional and 33,00 EUR without VAT for Standard.
Who it suits
It suits Windows users who want desktop telephony with contact lookup, call notes, and speed dial. Teams needing presence management, shared speed dial panels, TeamChat, or an offline call journal can use it with CTI Server.
What it does well
- Works with numerous contact sources
- Supports TAPI phones and PBXs
- 30-day trial for Standard and Professional
- Freeware edition is listed
What to know first
- 2025 New Outlook is not supported
- Some call controls depend on the phone or TAPI driver
- Freeware phone book is capped at 200 entries
Limits
CTI Client 2.2 lite is limited to one phone book with up to 200 entries. Hold, consultation, conference, and forwarding may be unavailable depending on the TAPI driver or telephone.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| CTI Client - Professional | Workstation license · 42,00 EUR without VAT | On request |
| CTI Client - Standard | Workstation license · 33,00 EUR without VAT | On request |
As xtelsio.com lists them, read 8 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the xtelsio CTI Client website.
- Choose CTI Client 3.1 Standard or Professional for a 30-day trial, or CTI Client 2.2 lite freeware.
- Install it on a listed Windows system.
- Connect a supported TAPI-enabled phone or PBX, or use a listed integrated connector.
- Connect a supported contact source such as Outlook, Google Contacts, CardDAV, or CSV.
Verdict
xtelsio CTI Client combines contact access and call handling for Windows telephony setups. Check the Outlook version and phone or TAPI capabilities, since these affect compatibility and available controls.
Questions
What does xtelsio CTI Client cost?
The listed Standard workstation license is 33,00 EUR without VAT, and the Professional workstation license is 42,00 EUR without VAT. CTI Client 3.1 Standard and Professional have a 30-day trial.
Is there a free version?
Yes. CTI Client 2.2 lite is listed as freeware with limited functionality and one phone book capped at 200 entries.
Which platforms does it support?
It is for Windows. Listed support includes 32-bit and 64-bit versions of Windows 7, 8, 10, and 11, Vista, and Windows Server 20xx.
Does it work with the 2025 New Outlook?
No. Outlook integration is listed for classic Outlook; the 2025 New Outlook is not supported.
Which phone systems are supported?
It supports TAPI-enabled phones and PBXs, with integrated connectors for Asterisk, FRITZ!Box, snom, Yealink, Mitel/Aastra, and Fanvil.
Who makes xtelsio CTI Client?
The maker is Ralf Steinrücken ITecSoft in Chemnitz, Germany.
Facts from xtelsio CTI Client's own pages
- Call handling
- The PhoneDialog supports call answering, call history, speed dial, contact lookup, and call notes. · xtelsio.com, 8 Oct 2026
- Contact integrations
- Supported contact sources include Outlook, Google Contacts, CardDAV, ODBC databases, LDAP, CSV files, Lotus Notes, and ACT!. · xtelsio.com, 8 Oct 2026
- Feature limits
- Some call controls, including hold, consultation, conference, and forwarding, depend on the TAPI driver or telephone and may be unavailable. · xtelsio.com, 8 Oct 2026
- Free edition
- The download page lists CTI Client 2.2 lite as freeware with limited functionality, including one phone book capped at 200 entries. · xtelsio.com, 8 Oct 2026
- Headquarters
- Chemnitz, Germany · xtelsio.com, 28 Sept 2026
- Maker and location
- The contact page identifies the maker as Ralf Steinrücken ITecSoft at Parkstr. 34, 09120 Chemnitz, Germany. · xtelsio.com, 8 Oct 2026
- Operating systems
- The vendor lists 32-bit and 64-bit support for Windows 7, 8, 10, and 11, Vista, and Windows Server 20xx. · xtelsio.com, 8 Oct 2026
- Outlook limitation
- The vendor says the 2025 New Outlook is not supported; Outlook integration is listed for classic Outlook. · xtelsio.com, 8 Oct 2026
- Privacy
- The vendor's privacy policy identifies Ralf Steinrücken ITecSoft as the controller and says personal-data processing is intended to follow GDPR and applicable country-specific data-protection rules. · xtelsio.com, 8 Oct 2026
- Purpose
- The client provides computer-assisted telephony and supports existing contacts from Outlook, Google, Lotus Notes, ACT!, and data sources including ODBC, CardDAV, LDAP, and CSV. · xtelsio.com, 8 Oct 2026
- Team features
- With CTI Server, users can use presence management, server-based speed dial panels, TeamChat, and an offline call journal. · xtelsio.com, 8 Oct 2026
- Telephony compatibility
- It supports TAPI-enabled phones and PBXs and has integrated connectors for Asterisk, FRITZ!Box, and listed IP phone brands. · xtelsio.com, 8 Oct 2026
- Trial
- The download page lists a 30-day trial for CTI Client 3.1 Standard and Professional. · xtelsio.com, 8 Oct 2026