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SPECIFICTION
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xtelsio CTI Client

xtelsio.com

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Spec score 6.8 #21 of 22 in Computer Telephony Integration Software

What it is

xtelsio CTI Client is Windows software for computer-assisted telephony. Its PhoneDialog handles answering, call history, speed dial, contact lookup, and call notes. Contact sources include classic Outlook, Google Contacts, Lotus Notes, ACT!, CardDAV, ODBC databases, LDAP, and CSV files. The vendor says the 2025 New Outlook is unsupported. Telephony works with TAPI-enabled phones and PBXs and includes connectors for Asterisk, FRITZ!Box, snom, Yealink, Mitel/Aastra, and Fanvil. Hold, consultation, conference, and forwarding may depend on the TAPI driver or telephone. CTI Server adds presence management, server-based speed-dial panels, TeamChat, and an offline call journal. The vendor lists 32-bit and 64-bit support for Windows 7, 8, 10, 11, Vista, and Windows Server 20xx. CTI Client 3.1 Standard and Professional offer 30-day trials. CTI Client 2.2 lite is freeware with limited functionality and one phone book capped at 200 entries. Listed workstation prices are 42,00 EUR without VAT for Professional and 33,00 EUR without VAT for Standard.

Spec sheet

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.Read 8 Oct 2026 · xtelsio.com
Trial
The download page lists a 30-day trial for CTI Client 3.1 Standard and Professional.Read 8 Oct 2026 · xtelsio.com
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.Read 8 Oct 2026 · xtelsio.com
Headquarters
Chemnitz, GermanyRead 28 Sep 2026 · xtelsio.com
Call handling
The PhoneDialog supports call answering, call history, speed dial, contact lookup, and call notes.Read 8 Oct 2026 · xtelsio.com
Contact integrations
Supported contact sources include Outlook, Google Contacts, CardDAV, ODBC databases, LDAP, CSV files, Lotus Notes, and ACT!.Read 8 Oct 2026 · xtelsio.com
Feature limits
Some call controls, including hold, consultation, conference, and forwarding, depend on the TAPI driver or telephone and may be unavailable.Read 8 Oct 2026 · xtelsio.com
Free edition
The download page lists CTI Client 2.2 lite as freeware with limited functionality, including one phone book capped at 200 entries.Read 8 Oct 2026 · xtelsio.com
Maker and location
The contact page identifies the maker as Ralf Steinrücken ITecSoft at Parkstr. 34, 09120 Chemnitz, Germany.Read 8 Oct 2026 · xtelsio.com
Operating systems
The vendor lists 32-bit and 64-bit support for Windows 7, 8, 10, and 11, Vista, and Windows Server 20xx.Read 8 Oct 2026 · xtelsio.com
Outlook limitation
The vendor says the 2025 New Outlook is not supported; Outlook integration is listed for classic Outlook.Read 8 Oct 2026 · xtelsio.com
Team features
With CTI Server, users can use presence management, server-based speed dial panels, TeamChat, and an offline call journal.Read 8 Oct 2026 · xtelsio.com
Telephony compatibility
It supports TAPI-enabled phones and PBXs and has integrated connectors for Asterisk, FRITZ!Box, and listed IP phone brands.Read 8 Oct 2026 · xtelsio.com

Plans and prices

CTI Client - Professional Price not published Workstation license · 42,00 EUR without VAT Read 8 Oct 2026 · xtelsio.com
CTI Client - Standard Price not published Workstation license · 33,00 EUR without VAT Read 8 Oct 2026 · xtelsio.com

Every xtelsio CTI Client plan and price →

Strong points and limits

Strong points

  • Broad contact-source integrations
  • TAPI, Asterisk, FRITZ!Box, and IP-phone connectors
  • Call history, notes, lookup, and speed dial
  • 30-day trial for Standard and Professional
  • Free lite edition available

Limits

  • 2025 New Outlook is unsupported
  • Some call controls depend on phone or driver
  • Lite phone book is limited to 200 entries
  • Listed prices exclude VAT

Who it suits

It suits Windows users linking desktop calling with existing contact databases and TAPI-compatible phone systems. Teams can add CTI Server features such as presence and shared speed-dial panels.

Verdict

xtelsio CTI Client connects Windows telephony with many contact sources and phone systems. Confirm TAPI capabilities and Outlook version compatibility before deployment.

Where Specifiction places it

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