| Feature | NCTI Pro | NCTI premium CRM | NCTI premium | NCTI standard CRM | NCTI Standard |
| Compatible with Windows (32/64bit) | 7/8/10/11 | 7/8/10/11 | 7/8/10/11 | 7/8/10/11 | 7/8/10/11 |
| Video chat function | ✓
(peer to peer) | – | – | – | – |
| Audio chat function | ✓
(peer to peer) | – | – | – | – |
| Chat function | ✓ | ✓ | ✓ | – | – |
| Desktop sharing | ✓
(peer to peer) | – | – | – | – |
| Presence management | ✓ | ✓ | ✓ | – | – |
| Call lists | ✓ | ✓ | ✓ | – | – |
| Hotkey dialling | ✓ | ✓ | ✓ | ✓ | ✓ |
| Access to the PBX phone book | ✓
(MetaDirectory) | – | – | – | – |
| Shared telephone directory for all CTI clients | ✓ | ✓ | ✓ | – | – |
| Skype for Business plugin | ✓5 | ✓5 | ✓5 | ✓4 | ✓4 |
| Microsoft Outlook plugin | ✓ | ✓ | ✓ | ✓ | ✓ |
| Compatible with Microsoft Office 2010 (32/64bit) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Compatible with Microsoft Office 2013 (32/64bit) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Compatible with Microsoft Office 2016 (32/64bit) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Compatible with Microsoft Office 365 (32/64bit) | ✓ | ✓ | – | ✓ | – |
| Microsoft Active Directory connection | ✓ | – | – | – | – |
| CRM (Customer Relationship Management) plugins | DATEV pro, Sage CRM, Sage Office Line, Salesforce CRM, SAP Business One, SAP CRM, SAP R3, etc. | DATEV, Egroupware, GoldMine, Lotus Notes, Maximizer, Microsoft Access, Microsoft Dynamics CRM, Microsoft Dynamics NAV, Microsoft Outlook, NetSuite, ODBC, Pegasus Opera II / 3, Sage 50 Accounts, Sage ACT!, Sage CRM, Sage SalesLogix, Salesforce CRM (Professional with SOAP API, Enterprise in Classic and Lightening mode, Unlimited in Classic and Lightening mode), Sugar, SuperOffice CRM, vtiger, Zoho CRM, LDAP, and many more | – | DATEV, Act!, GoldmineInternet, IBM Connections, Lotus Notes, Maximizer CRM, Microsoft Dynamics CRM, Microsoft Exchange Public Folder, Netsuite, ODBC, Outlook, Sage CRM, Salesforce (Enterprise, Unlimited, Developer), Sugar CRM, Tigerpaw CRM, vCard/LDAP, InteractIO Externe Telefonbücher: Das Örtliche, Das Telefonbuch, Herold (geschäftlich), Herold (Privat), search.ch, US White Pages | Microsoft Outlook |
External optional add-ons
(fee required) | Process integration on project basis | SAP Business One plugin (on project basis) | – | – | – |
| Compatible with snom* | ✓
(from firmware version 8.7.5.13) | ✓
(from firmware version 8.7.x) | ✓
(from firmware version 8.7.x) | ✓ | ✓ |
| Compatible with Yealink | T4G series T4S series T5X series | T3x series 7,8 T4G, T4S, T4U series7 T5x series7 | T4G, T4S, T4U series
T5x series | T33, T4G, T4S,
T4U Serie7,
T5x Serice, VP597 | T33, T4G, T4S,
T4U Serie7,
T5x Serice, VP597 |
| Compatible with Panasonic | – | KX-HDV series KX-TGP 600 | KX-HDV series KX-TGP 600 | KX-UT series | KX-UT series |
| Compatible with Polycom | – | ✓
(from firmware version 6.0) | ✓
(from firmware version 6.0) | – | – |
| Compatible with Softphone | ✓7 | – | – | – | -– |
| Terminal server enabled | ✓ | ✓ | ✓ | – | – |
| TAPI interface (32/64bit) | ✓ | ✓3 | ✓3 | ✓2 | -– |
| One-off cost | one-off cost for NCTI server installation | one-off cost for NCTI server installation | one-off cost for NCTI server installation | no one-off cost | no one-off cost |
| Monthly cost | monthly usage cost per user | monthly usage cost per user | monthly usage cost per user | monthly usage cost per user | monthly usage cost per user |
| Subnetting support | ✓ | ✓ | ✓ | – | – |
