3CX SIP-Trunks / VoIP-Anbieter in Schweiz
Folgende SIP-Trunks / VoIP-Anbieter in der Schweiz wurden von 3CX getestet und zertifiziert. Sie können Ihre Telefonanlage einfach per Plug-and-Play und ganz ohne manuelles Konfigurieren mit einem SIP-Trunk Ihrer Wahl verbinden. Bevorzugte SIP-Trunk-Anbieter sind für jede Version von 3CX getestet.
Beide Parteien legen großen Wert auf den Ende-zu-Ende Support für Kunden in Schweiz, die sich entscheiden 3CX mit einem bevorzugten SIP-Trunk zu nutzen.
Bevorzugte SIP-Trunks / VoIP-Anbieter

Provider | iWay AG |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | Not Working |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |

Provider | Swisscom Enterprise SIP |
Support Cooperation | No |
Provider Type | IP Based (VPN Connection) |
Fax Support | T38 Bypass |
SI Mode | Yes – Static (Single Account Support) |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | Yes |
Online Sign-Up Possible? | Yes |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | No |
SIP TLS Support | No |

Provider | Swisscom Smart Business Connect |
Support Cooperation | No |
Provider Type | Register Based (Internal SBC) |
Fax Support | Not working |
SI Mode | Yes – Static (Single Account Support) |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | Yes |
Online Sign-Up Possible? | Yes |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |
Supported Providers

Provider | fiberstream |
Support Cooperation | No |
Provider Type | Register Based |
Fax Support | Not Working |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | No |
SIP TLS Support | No |
Provider | FL1 |
Support Cooperation | No |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | No |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | No |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |
Provider | Netstream |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | No |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | Yes |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | No |
Link to Support Document | N/A |
302 Diversion Support | No |
SIP TLS Support | No |

Provider | Nexphone AG |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | Not working |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | No |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |
Provider | SipCall |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Static (Single Account Support) |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | No |
SIP TLS Support | No |
Provider | Sunrise Business Voice |
Support Cooperation | Yes |
Provider Type | IP Based (Static Public IP Required) |
Fax Support | T38 Bypass |
SI Mode | Yes – Static (Single Account Support) |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | No |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |
Provider | peoplefone |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | No |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | Yes |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | No |
SIP TLS Support | No |
Provider | UPC Schweiz Gmbh |
Support Cooperation | No |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | No |
Link to Support Document | View |
302 Diversion Support | No |
SIP TLS Support | No |
Provider | VTX |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes (separate service) |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | Yes |
Link to Support Document | View |
302 Diversion Support | Yes |
SIP TLS Support | No |
Provider | Winet Network Solutions |
Support Cooperation | Yes |
Provider Type | Register Based |
Fax Support | T38 Bypass |
SI Mode | Yes – Automata |
Clip No Screening Support | Yes |
Anonymous Calling | Yes |
DTMF Support (RFC2833) | Yes |
IPV6 Ready | No |
Online Sign-Up Possible? | No |
Online Trunk-Management Portal? | Yes |
Link to Support Document | N/A |
302 Diversion Support | No |
SIP TLS Support | No |