About sipcall

Backbone Solutions AG was founded in 1998 and offers professional and high-quality solutions for connectivity and Internet telephony (VoIP).
In 2005, Backbone Solutions AG was one of the first providers in Switzerland to launch the voice-over-IP service sipcall, which subsequently developed into one of the leading providers of innovative Internet telephony services.
sipcall offers comprehensive VoIP telecommunication solutions for professional use for small to large companies and private individuals in Switzerland and Austria.
In close cooperation with leading telematics companies, sipcall realizes successful telecommunication services such as sipcall virtual pbx, the flexible telephone system in the sipcall cloud for SMEs and much more.
To date, over 40,000 customers have opted for a sipcall telephony solution.

Interop IP devices sipcall 2

See below for a list with supported features when using the Gigaset PRO IP Devices on the providers network.




Feature                                          DE310 / DE410 IP PRO    DE700 / DE900 IP PRO        N510 IP PRO          N720 IP PRO    DX800A

Software Version MR55-6
Porta One 11 July 2018 tested with :
  •  
  •  
  •  
  •  
  •  

Software release:  02.00.0402.00.0742.24570.111175

Basic CallYesYesYesYesYes

Calling line (CLIP)YesYesYesYesYes

Connected line (COLP)NoNoNoNoNo

Anonymous callYesYesYesYesYes

Do Not DisturbYesYesNoNoNo

Message waitingNoNoYesYesYes

Call list/historyYesYesYesYesYes

Voice mail deposit/retrievalNoNoYesYesYes

Call waitingYesYesYesYesYes

Call Hold / ToggleNoNoYesYesYes

Call forward (CFU)NoNoYesYesYes

Call forward (CFNR)NoNoYesYesYes

Call forward (CFB)NoNoYesYesYes

Call Transfer attendedYesYesYesYesYes

Call Transfer unattendedYes*Yes*YesYesYes

Blind TransferYesYesNoNo

Completion of Calls to Busy Subscriber (CCBS)--NoNoNo

DTMF (RFC2833)YesYesYesYesYes

Conference 3ptyYesYesYesNoYes

BLF Busy / Idle indicationNoNoNoNoNo

Session Audit--No-No

Call pick-up direct  ( * 8 extension)NoNoNoNoYes

Call pick-up group ( * 8 )NoNoNoNoYes

Call pick-up BLFNoNoNoNoNo

Call completed elsewhereNoNoNoNoNo

Auto provisioningNoNoNoNoNo

UDP / TCP protocol

UDPUDPUDP

Central Phonebook





For unattended transfer the DE310/DE410 requires Firmware 02.00.04 or higher and DE700/DE900 requires firmware 02.00.07 or higher.

And Voip Settings -> Unattended call transfer set to Semi-attended