Status

March 2025

ProCall EnterpriseProCall 8 Enterprise from V 8.4
Cloud PBXUnify OpenScape Business 
Softphone  connection

SIP trunk connection

SIP extension (subscriber) connection

TSPECSTA for Unify OpenScape Business
ProCall Enterprisefrom V 7.0
Cloud PBXUnify OpenScape Business
V2 and V3
TSPECSTA for Unify OpenScape Business
6.0.13.1053
Action


ProCall Enterprise client for Windows

ProCall mobile app ***



TAPI

SIP extension

SIP trunk

from PCE 8

AndroidiOS

Dial

☑ 

☑

☑☑ ☑ 

Hang up

☑

☑

☑☑☑

Answer call

☑

☑

☑☑☑

Hold call

☑

☑

☑



Call back

☑

☑

☑



Reject call

☑

☑

☑☑☑

Forward call (without answering)☑☑☑



Forward call (after answering)

☑

☑

☑



Set up a consultation call

☑

☑

☑



Toggle

☑

☑

☑



Connect a consultation call

☑

☑

☑



Forward second call (without answering)

☑

☑

☑



Accept second call

☑

☑

◊



Reject second call

☑

☑

◊



Forward second call (without answering)

○

☑

◊



Forward second call (after answering)

☑

○

◊



Second call on SIP line


Caller receives busy

Caller receives busy



Incoming call on SIP line while active mobile phone call


  • Answer call



☐

☑

mobile phone call on hold **



  • Reject



☐

☑

Incoming mobile phone call while active SIP line call


  • Answer call



☑

SIP line call is terminated

☑

SIP line call on hold



  • Reject



☑☑

Create a conference call (3 participants)

☑

☑

☑



Add a further participant to a conference call

☑

☐

☐



Remove a participant from a conference call

◊

☐

◊



Pickup call
via UCServer (from 8.3)




  • TAPI – TAPI 

☑

☑

☑



  • TAPI – SIP 

☑

☑

☑



  • SIP – TAPI 

☑

☑

☑



  • SIP – SIP 

☑

☑

☑



Pickup call
via feature code




  • TAPI – TAPI 

☑

—

—



  • TAPI – SIP 

○

—

◊



  • SIP – TAPI

—

☑

◊



  • SIP – SIP

—

☑

◊



DTMF 

☑ 

☑

☑☑☑

Dial ringing tone

◊

—

—



Call forwarding




  • provided by PBX via TAPI

☑

○

—



  • via feature code

◊

○

◊



  • provided by UCServer *2

—

☑

☑



Call protection/DoNotDisturb


  • via presence

☑

☑

☑



  • via line

☑

☑

☑☑☑

Legend

☑Function available
☐Availability or function planned/in realization
—Not relevant
○Not applicable due to technical limitations
◊Function not tested, full tests are pending
*1Presentation of hold state planned
*2

Call forwarding can be configured by UCServer for internal / external / all calls always or when busy.

The call waiting configuration option on the telephone system side must be taken into account if necessary .

For further information, see Set call forwarding on UCServer.

**Depending on the functions of the network provider
***Supported functions for SIP lines in ProCall Mobile apps for connection via estos UCConnect

Known restrictions

If a SIP individually registered subscriber line is part of a MULAP group, estos ProCall Enterprise Client shows two call windows for this outgoing call with an identical destination number for an outgoing call on the softphone or SIP line. Two journal entries are also generated for this one outgoing call.

Further information

PBX-specific configuration: Setting up softphone functions (SIP) for Unify OpenScape Business – Connection instructions

Version note

Since estos has no influence on the further development of the supported telephone systems by the manufacturer, we cannot guarantee that the instructions described above will also be fully valid for future releases and e.g. other end devices.