> For the complete documentation index, see [llms.txt](https://teamhelp.sipgate.co.uk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://teamhelp.sipgate.co.uk/integrations-and-connections.md).

# Integrations and connections

- [Using sipgate trunking](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking.md)
- [What is sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/what-is-sipgate-trunking.md): Overview of sipgate trunking, connecting your VoIP telephone system to the public telephone network through sipgate.
- [What hardware and software do I need to use with sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/what-hardware-and-software-do-i-need-to-use-with-sipgate-trunking.md): Hardware and software options compatible with sipgate trunking, including recommended PBX systems and manufacturers.
- [What sipgate trunking plans are available?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/what-sipgate-trunking-plans-are-available.md): Overview of sipgate trunking plans from Developer to Enterprise 50, with details on incoming lines, pricing, and cancellation.
- [How do I set sipgate IP & port ranges?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/how-do-i-set-sipgate-ip-port-ranges.md): sipgate IPv4 and IPv6 address ranges for RTP audio transmission and SIP signalling, plus security recommendations.
- [Can I Use My PBX Behind a NAT Device ?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/can-i-use-my-pbx-behind-a-nat-device.md): Information about NAT detection support with sipgate trunking and PBX configuration requirements.
- [Upgrading or changing your SIP trunking plan](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/upgrading-or-changing-your-sip-trunking-plan.md): How to upgrade, downgrade, or cancel your sipgate SIP trunking plan, including trial details and important notes.
- [What are the security Settings for sipgate IP & Port Ranges?](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/what-are-the-security-settings-for-sipgate-ip-port-ranges.md): Security settings for sipgate IP and port ranges including IPv4/IPv6 addresses for signalling and RTP across all sipgate services.
- [sipgate and trunking Terms & Conditions](https://teamhelp.sipgate.co.uk/integrations-and-connections/using-sipgate-trunking/sipgate-and-trunking-terms-conditions.md): Full terms and conditions for sipgate and sipgate trunking services, covering usage, billing, cancellation, and liability.
- [Asterisk](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk.md)
- [How do I configure Asterisk for sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/how-do-i-configure-asterisk-for-sipgate-trunking.md): Basic Asterisk configuration settings for sipgate trunking, including sip.conf, registration, caller ID, and call forwarding.
- [Why is my Asterisk registered but unable to make or receive calls?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/why-is-my-asterisk-registered-but-unable-to-make-or-receive-calls.md): Troubleshooting steps when Asterisk is registered to sipgate but cannot make or receive calls, using console debug commands.
- [Why can’t I receive calls after updating or installing Asterisk 1.6?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/why-cant-i-receive-calls-after-updating-or-installing-asterisk-16.md): Fix for receiving calls on Asterisk 1.6 and higher by changing the peer type setting from peer to friend.
- [How do I enable debugging in Asterisk for error evaluation?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/how-do-i-enable-debugging-in-asterisk-for-error-evaluation.md): How to enable debugging in Asterisk to diagnose telephony issues using console commands for different Asterisk versions.
- [How Do I configure asterisk with sipgate?](https://teamhelp.sipgate.co.uk/integrations-and-connections/asterisk/how-do-i-configure-asterisk-with-sipgate.md): Basic Asterisk configuration for sipgate team accounts, including sip.conf and extensions.conf settings.
- [API: Functionality and Documentation](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation.md)
- [Authentication with Personal Access Token](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation/authentication-with-personal-access-token.md): How to authenticate with the sipgate REST API using personal access tokens, including scope management and security benefits.
- [What Is the sipgate API and what features does it offer?](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation/what-is-the-sipgate-api-and-what-features-does-it-offer.md): Overview of the sipgate API features including call building, SMS, fax, voicemail access, and event list retrieval.
- [How can I use the sipgate API?](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation/how-can-i-use-the-sipgate-api.md): How to communicate with the sipgate API via XML-RPC, authenticate with OAuth 2.0 or Personal Access Token, and usage costs.
- [sipgate API Technical Specification](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation/sipgate-api-technical-specification.md): Download link for the detailed sipgate API technical specification PDF document.
- [What changes will the new system bring to the sipgate REST API and sipgate.io?](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-functionality-and-documentation/what-changes-will-the-new-system-bring-to-the-sipgate-rest-api-and-sipgateio.md): Changes to the sipgate REST API and sipgate.io with the new sipgate neo system, including history, push API, RTCM, and channels.
- [API Usage](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-usage.md)
- [How can I manage API clients and webhooks?](https://teamhelp.sipgate.co.uk/integrations-and-connections/api-usage/how-can-i-manage-api-clients-and-webhooks.md): How to create, edit, and delete API clients and manage webhook server addresses in the sipgate API console.
- [Hardware and Software](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software.md)
- [PBX Equipment Manufacturers](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/pbx-equipment-manufacturers.md): List of PBX equipment manufacturers compatible with sipgate, including contact and website links.
- [My PBX Is registered, but I can not receive any calls (outgoing calls are fine)](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/my-pbx-is-registered-but-i-can-not-receive-any-calls-outgoing-calls-are-fine.md): Troubleshooting checklist when your PBX is registered with sipgate but cannot receive incoming calls.
- [FreePBX Configuration - sipgate SIP Trunking](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/freepbx-configuration-sipgate-sip-trunking.md): Step-by-step guide to configure a sipgate SIP Trunk on FreePBX, including trunk setup, outbound routes, and caller ID settings.
- [How do I configure My 3CX PBX for sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/how-do-i-configure-my-3cx-pbx-for-sipgate-trunking.md): Reference to 3CX online documentation for configuring 3CX PBX with sipgate trunking.
- [Configuring 3CX SIP Trunks](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/configuring-3cx-sip-trunks.md): How to configure 3CX to register with sipgate trunking, including trunk details, authentication, and outbound call settings.
- [Trunking: Cisco Call Manager Express PBX (UC520/540/560)](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/trunking-cisco-call-manager-express-pbx-uc520540560.md): Configuration information for Cisco Call Manager Express UC520/540/560 PBX with sipgate trunking, including Voice Class setup.
- [How do I configure the AVM Gateway 5188 for sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/how-do-i-configure-the-avm-gateway-5188-for-sipgate-trunking.md): Configuration guide for the AVM Gateway 4588 with sipgate trunking, including all required web menu settings.
- [Is SRTP/TLS Voice encryption possible with sipgate trunking?](https://teamhelp.sipgate.co.uk/integrations-and-connections/hardware-and-software/is-srtptls-voice-encryption-possible-with-sipgate-trunking.md): Information about SRTP/TLS voice encryption availability with sipgate trunking and VPN as an alternative.
- [sipgate.io](https://teamhelp.sipgate.co.uk/integrations-and-connections/sipgateio.md)
- [About sipgate.io](https://teamhelp.sipgate.co.uk/integrations-and-connections/sipgateio/about-sipgateio.md): Overview of sipgate.io Push API for sipgate team, including pricing, activation, and helpful documentation links.
- [What Is the difference between sipgate.io and the sipgate API?](https://teamhelp.sipgate.co.uk/integrations-and-connections/sipgateio/what-is-the-difference-between-sipgateio-and-the-sipgate-api.md): Differences between the sipgate API (pull-based) and sipgate.io (push-based), including pricing and activation details.
- [Can I use sipgate.io and the sipgate API together?](https://teamhelp.sipgate.co.uk/integrations-and-connections/sipgateio/can-i-use-sipgateio-and-the-sipgate-api-together.md): Confirmation that sipgate.io and the sipgate API are complementary and can be used together.
- [What does sipgate.io cost?](https://teamhelp.sipgate.co.uk/integrations-and-connections/sipgateio/what-does-sipgateio-cost.md): Pricing for sipgate.io PUSH-API and how account administrators can book the feature through their sipgate account.