June 09, 2026: Notes on product lifecycle of ProCall NEX (EOS/EOM/EOL)

Product Lifecycle of ProCall NEX (EOS/EOM/EOL):

EOS (End-of-Sale)July 31, 2026
EOM (End-of-Maintenance)May 31, 2027
EOL (End-of-Life)May 31. 2027



State of knowledge

October 2025

ProCall NEX offers different application and usage options depending on the tariff booked.

Overview

Service specifications

ProCall NEX service specifications

Tariffs ProCall NEX: Business - Professional - Professional Flat - Enterprise

Price list, tariffs on the estos website: ProCall NEX – Complete UC Cloud Solution | estos

Known problems and restrictions

ApplicationRestrictionNext steps
ProCall Web

Currently in preview phase, therefore generally still limited range of functions,
e.g. e.g. no user registration/deregistration for a group possible in the ProCall Web yet, In the web app, it is not possible to distinguish which line is which, and call forwarding cannot be set reliably. 

Ongoing further development
ProCall for Microsoft Teams

Clearly limited range of functions

Further development as required
ProCall Mobile Apps

Limited range of functions (e.g. no consultation calls and softphone conferences possible, no call forwarding to voice mailbox configurable)

Ongoing further development
MetaDirectoryAvailable on-premisesNo cloud solution currently planned
Four-digit extensions,
Deviation from standard telephony functions		Individual clarification of support requiredOngoing expansion of functions
Use a different SIP trunk

Support in tariff 1 & 2, individual clarification of support required

Please note the requirements for using a different SIP trunk: Use a different SIP trunk (cloud ready and, if necessary, a fixed IP address for the PBX)

remains, as tariffs 3 & 4 include the National Flat via STARFACE Connect
Supported regions only available for the D/A/CH region.
Currently, no standardized support for other countries		Individual case examination possible if required
ChatGPT integrationChatGPT integration is currently not available in ProCall NEX.Integration is planned.
STARFACE modulesThe STARFACE modules are not available for ProCall NEX.No changes planned.

Weiterführende Informationen

ProCall NEX →

ProCall NEX service specifications → 

ProCall NEX Release Notes → 

ProCall Voice Services Übersicht  →

Supported telephony functions for ProCall NEX