> For the complete documentation index, see [llms.txt](https://help.sipgate.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie.md). # Telephony - [How can I make calls with sipgate?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-kann-ich-mit-sipgate-telefonieren.md): All the ways to make calls with sipgate – via app, softphone, IP phone or mobile network. - [How do I set up sipgate Webphone?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-sipgate-webphone-ein.md): Set up sipgate Webphone and make calls directly in your browser – without additional software. - [How do I record a call?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-zeichne-ich-ein-telefonat-auf.md): Record calls with sipgate – activate call recording and observe legal notes. - [How do I activate or deactivate the tariff announcement?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-aktiviere-oder-deaktiviere-ich-die-tarifansage.md): Activate or deactivate the tariff announcement in sipgate – inform callers about any costs incurred. - [How do I set up automatic prefixing?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-die-automatische-vorwahl-ein.md): Set up automatic prefixing in the sipgate cloud phone system so that speed dials are completed correctly. - [What does DTMF mean?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-bedeutet-dtmf.md): DTMF explained: what dual-tone multi-frequency means and how key tones are transmitted in sipgate. - [How do I automatically reject calls when I am already on a call?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-weise-ich-die-anrufe-automatisch-ab-wenn-ich-bereits-telefoniere.md): Disable call waiting in sipgate – automatically reject incoming calls when you are already on a call. - [What is the busy lamp field (BLF)?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-ist-das-besetztlampenfeld-blf.md): Set up Busy Lamp Field (BLF) in sipgate – display colleagues' phone status on your own device. - [What do the telephony & error codes mean?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-bedeuten-die-telefonie-fehler-codes.md): Overview of sipgate telephony error codes (401, 403, 486, etc.) with explanations and troubleshooting tips. - [What is the presence display?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-ist-die-praesenzanzeige.md): The sipgate presence display shows the real-time availability status of your colleagues. - [How do I set up auto-provisioning?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-autoprovisionierung-ein.md): Set up auto-provisioning in sipgate – automatically configure and manage IP phones. - [How do I set up visual routing?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-visual-routing-ein.md): Set up visual routing in sipgate – create and manage call flows graphically. - [How do I set up time-based routing?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-zeitbasiertes-routing-ein.md): Set up time-based routing in sipgate – control calls according to office hours, holidays, and weekdays. - [How do I upload the custom hold music for call holding?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-lade-ich-die-individuelle-wartemusik-bei-anruf-halten-hoch.md): Upload your own hold music in sipgate and use it as hold music for calls. - [How do I configure my softphone? - All softphones at a glance](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-konfiguriere-ich-mein-softphone-alle-softphones-im-ueberblick.md): Softphone configuration in sipgate – overview of compatible softphones and setup guides. - [How can I block call destinations?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-kann-ich-die-anrufziele-sperren.md): Block call destinations in sipgate – as an admin, block expensive international numbers or specific phone numbers. - [Block or redirect anonymous and unwanted calls](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/anonyme-und-unerwuenschte-anrufe-blockieren-oder-umleiten.md): Block or specifically redirect anonymous and unwanted calls in sipgate – set up in the account. - [How do I set up call forwarding?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-stelle-ich-weiterleitungen-ein.md): Set up call forwarding in sipgate – as a user or admin, define destinations for unreachable extensions. - [How do I set up an additional VoIP line?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-voip-zusatzanschluss-ein.md): Set up an additional VoIP line in sipgate – phones without user assignment for reception areas or conference rooms. - [How does HD telephony work?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-funktioniert-die-hd-telefonie.md): HD telephony in sipgate: the highest voice quality for VoIP calls – automatically included in all plans. - [How do conference calls work?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-funktionieren-die-telefonkonferenzen.md): Set up and use conference calls with sipgate – conference room, dial-in numbers, and participant management. - [How do I choose or hide the caller ID?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-waehle-oder-unterdruecke-ich-die-absenderrufnummer.md): Choose or hide the caller ID in sipgate – settings for outgoing calls. - [How do I set up a central number? - An example of use](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-eine-zentrale-rufnummer-ein-ein-anwendungsbeispiel.md): Set up a central number in sipgate – example of use for routing to teams and departments. - [What are the keyboard shortcuts in sipgate?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-sind-die-tastenkuerzel-bei-sipgate.md): Keyboard shortcuts during a sipgate call – hold, toggle, transfer, and other functions. - [How do I set up call forwarding on the device?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-stelle-ich-eine-rufumleitung-am-endgeraet-ein.md): Set up call forwarding directly on the VoIP phone – guide for sipgate-compatible devices. - [How do I configure the function keys on the snom phone?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-die-funktionstasten-auf-dem-snom-telefon-ein.md): Assign function keys on snom IP phones with sipgate – set up BLF, speed dial, and forwarding. - [How do I configure the function keys on the Yealink phone?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-die-funktionstasten-auf-dem-yealink-telefon-ein.md): Assign function keys on Yealink phones with sipgate functions – setup step by step. - [How can I set the phone to inactive (DND)?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-kann-ich-telefon-auf-inaktiv-stellen-dnd.md): Do Not Disturb (DND) in sipgate: temporarily disable phones so you do not receive calls. - [How do I use sipgate with Starlink?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-nutze-ich-sipgate-mit-starlink.md): Use sipgate with Starlink – important notes and settings for VoIP telephony over satellite internet. - [How do I block Direct IP (SPIT) calls from numbers like 100, 1001, or IP addresses?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-blockiere-ich-direct-ip-spit-anrufe-von-nummern-wie-100-1001-oder-ip-adresse.md): Block unwanted Direct IP calls (SPIT) on sipgate VoIP phones – protective measures and settings. - [Can I set international phone numbers as the caller ID?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/kann-ich-internationale-telefonnummern-als-absendernummer-setzen.md): Set international phone numbers as the caller ID in sipgate – requirements and limitations. - [How do I set up sipgate Softphone for macOS?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-sipgate-softphone-fuer-macos-ein.md): Set up sipgate Softphone on macOS – installation, Rosetta note for Apple Silicon, and configuration. - [How do I set up sipgate Softphone for Windows?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-sipgate-softphone-fuer-windows-ein.md): Set up sipgate Softphone on Windows – download, installation, and configuration step by step. - [How do I set up sipgate Softphone for Linux?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-sipgate-softphone-fuer-linux-ein.md): Set up sipgate Softphone on Linux – download, installation, and configuration. - [How do I configure SIP signaling via TCP?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/wie-richte-ich-die-sip-signalisierung-via-tcp-ein.md): Configure SIP signaling over TCP in sipgate – for more stable VoIP connections behind firewalls. - [What are codecs?](https://help.sipgate.de/cloud-telefonanlage/en/using-sipgate/telefonie/was-sind-codecs.md): Audio codecs in sipgate explained – which codecs are supported and how they affect voice quality. --- # Agent Instructions This documentation is published with GitBook. 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