# Voice (VoIP)

- [Service Specific Guides](/support/services/voice-over-ip-voip/general.md): General VoIP information you'll need to get started.
- [3CX](/support/services/voice-over-ip-voip/general/3cx-guides.md)
- [How to configure our CTS Trunk on 3CX](/support/services/voice-over-ip-voip/general/3cx-guides/how-to-configure-our-cts-trunk-on-3cx.md): This article covers how to configure 3CX using our CTS SIP Trunk service
- [Resolving Call Quality issues on 3CX deployments](/support/services/voice-over-ip-voip/general/3cx-guides/resolving-call-quality-issues-on-3cx-deployments.md): This article covers how to resolve the issue on audio in 3CX if its hosted in a Cloud Platform
- [How to configure a SIP Trunk on 3CX](/support/services/voice-over-ip-voip/general/3cx-guides/how-to-configure-a-sip-trunk-on-3cx.md): This article covers how to configure 3CX using our SIP Trunk service
- [Changes to default 3CX Headers](/support/services/voice-over-ip-voip/general/3cx-guides/changes-to-default-3cx-headers.md): This article covers modifying the 3CX headers to allow outbound calls to flow correctly through to VoIPnow.
- [Inbound Numbering System](/support/services/voice-over-ip-voip/general/inbound-numbering-system.md)
- [How to access the Inbound Numbering System?](/support/services/voice-over-ip-voip/general/inbound-numbering-system/how-to-access-the-numbering-system.md): How to access the numbering system platform to manage your 13/1300/1800 numbers
- [Creating a new user](/support/services/voice-over-ip-voip/general/inbound-numbering-system/creating-a-new-user.md): This article goes through how you can add a new user to your numbering system account, and allow other users to manage your 13/1300/1800 numbers
- [Diverting a 1300/1800 number](/support/services/voice-over-ip-voip/general/inbound-numbering-system/terminating-a-1300-1800-number-against-voipnow.md): This article covers how to push all calls for a 1300/1800 number to a different number
- [Moving a DID between services](/support/services/voice-over-ip-voip/general/inbound-numbering-system/moving-a-did-between-services.md)
- [Creating a basic IVR](/support/services/voice-over-ip-voip/general/inbound-numbering-system/creating-a-basic-ivr.md)
- [Microsoft Teams Direct Routing](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams.md)
- [Getting Support for Microsoft Direct Routing](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/getting-support-for-microsoft-direct-routing.md): This page outlines how to get support for Microsoft Teams Direct Routing.
- [Configuration Guide](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/teams-configuration-guide.md): This page contains all the information needed to configure Teams Direct Routing with the Hosted Network SIP Trunks.
- [Troubleshooting Call Routing](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/troubleshooting-call-routing.md): This is a general guide on how to do some basic troubleshooting for the Microsoft Teams Direct Routing
- [Unable to Dial Internationally from Teams](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/unable-to-dial-internationally-from-teams.md): This page details how to fix international dialling from Microsoft Teams when using Teams Direct Routing with Hosted Network.
- [Creating a resource account and assigning a Direct Routing DID](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/creating-a-resource-account-and-assigning-a-direct-routing-did.md): This guide runs through how to create a resource account and assign a Teams Direct Routing DID to the account for use as a Queue or IVR.
- ["Call cannot be connected" error with Auto-Attendants and Queues](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/call-cannot-be-connected-error-with-auto-attendants-and-queues.md): This article covers how to resolve the "Call cannot be connected, please try again later" error within Microsoft Teams.
- [Creating Dial Plans to Prefix Outbound Calls](/support/services/voice-over-ip-voip/general/trunks-for-microsoft-teams/creating-dial-plans-to-prefix-outbound-calls.md): This guide covers how to configure Dial Plans within Microsoft Teams to prefix local calls in order to allow users to not have to enter the local prefix
- [VoIPNow (VoIP Bundles & Legacy SIP Trunks)](/support/services/voice-over-ip-voip/general/voipnow-guides.md): Step by Step guides for our Cloud PBX
- [How to activate call recording in VOIPnow](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-activate-call-recording-in-voipnow.md): This guide shows you how to enable the call recording on specific extensions regardless if its SIP trunk or standard extensions
- [Configuring Charging Plans to add margin to outbound calls](/support/services/voice-over-ip-voip/general/voipnow-guides/configuring-charging-plans-to-add-margin-to-outbound-calls.md): This guide shows you how to configure your profit margins on outbound calls for SIP Trunks, VoIP Bundles and Multi-Tenant PBX.
- [Configuring Charging Plans to add margin to 13/1300/1800 Inbound calls](/support/services/voice-over-ip-voip/general/voipnow-guides/configuring-charging-plans-to-add-margin-to-13-1300-1800-inbound-calls.md): This guide shows you how to configure your profit margins on 13/1300/1800 inbound calls for SIP Trunks, VoIP Bundles and Multi-Tenant PBX.
- [What is a valid Caller ID?](/support/services/voice-over-ip-voip/general/voipnow-guides/what-is-a-valid-caller-id.md): What can or can't I use as a Valid Caller ID for my SIP products?
- [How can I make Anonymous Calls?](/support/services/voice-over-ip-voip/general/voipnow-guides/how-can-i-make-anonymous-calls.md): Making anonymous calls from Wholesale PBX, VoIP bundles or SIP Trunks
- [Getting a breakdown on the resources for an Organization](/support/services/voice-over-ip-voip/general/voipnow-guides/getting-a-breakdown-on-the-resources-for-an-organization.md): This page covers off a high-level overview of how to get a breakdown of the DIDs, Extension Types and CDR for any given organization. Some parts of this guide only apply to specific services
- [Configuring Fax to Email](/support/services/voice-over-ip-voip/general/voipnow-guides/configuring-fax-to-email.md): Configuring Fax to Email within the Hosted Network VoIPNow Platform
- [VoIP Bundle Creation & Implementation](/support/services/voice-over-ip-voip/general/voipnow-guides/voip-bundle-creation-and-implementation.md): This page goes over how you can implement a simple VoIP bundle for reselling it to your customers
- [Uploading Sound files to VoIPNow](/support/services/voice-over-ip-voip/general/voipnow-guides/uploading-sound-files-to-voipnow.md): This article covers the uploading of new sound files to our VoIPNow portal.
- [How does Call Parking work on VoIPNow?](/support/services/voice-over-ip-voip/general/voipnow-guides/how-does-call-parking-work-on-voipnow.md)
- [Transferring Calls Waiting in Queues](/support/services/voice-over-ip-voip/general/voipnow-guides/transferring-calls-waiting-in-queues.md)
- [How to setup a Queue (Hunt Group)](/support/services/voice-over-ip-voip/general/voipnow-guides/untihow-to-setup-a-queue-hunt-group-tled.md): This Video will guide you thought the process of setting up a Queue (Hunt Group)
- [How to find a list of all the numbers assigned to your Service Provider account](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-find-a-list-of-all-the-numbers-assigned-to-your-service-provider-account.md): This article covers how to find a complete list of every DID assigned to your VoIPNow Service Provider account and where the DID's are assigned to.
- [How to do a context jump based on the incoming Called DID](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-do-a-context-jump-based-on-the-incoming-called-did.md): This article covers how to use the "Jump to Context" action within an IVR to route calls based on the number the Caller dialled.
- [How to change Music on Hold for an extension](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-change-music-on-hold-for-an-extension.md)
- [Creating and updating a time interval](/support/services/voice-over-ip-voip/general/voipnow-guides/creating-and-updating-a-time-interval.md): This article covers how to create a new Time Interval (also applies to existing time intervals) within your VoIPNow Service Provider or Organisation account.
- [How to apply a time interval to an Incoming Call Rule](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-apply-a-time-interval-to-an-incoming-call-rule.md): This article covers how to apply a pre-existing time interval against an extension to divert it to Voicemail or another extension within the pre-defined times.
- [How to add an Incoming Caller ID Prefix with an IVR](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-add-an-incoming-caller-id-prefix-with-an-ivr.md): This article explains how to prefix an incoming call's Caller ID Name with the advanced extension "IVR".
- [Applying sound files to an IVR](/support/services/voice-over-ip-voip/general/voipnow-guides/applying-sound-files-to-an-ivr.md): This article covers how to apply uploaded sound files to an IVR
- [How to configure an IVR to transfer to an external number](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-configure-an-ivr-to-transfer-to-an-external-number.md): This article covers how to configure an IVR Option within VoIPNow to allow calls to be transferred to external numbers
- [How to enable International Call barring on Organizations and Users](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-enable-international-call-barring-on-organizations-and-users.md): This guide covers how to enable international call barring on Organizations and Users within the VoIPNow portal.
- [List of the common issues submitted by the partners](/support/services/voice-over-ip-voip/general/voipnow-guides/list-of-the-common-issues-submitted-by-the-partners.md): This article covers the most reported issues in VOIPnow
- [How to Configure BLF on Virtual Multi-Purpose Key](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-configure-blf-on-virtual-multi-purpose-key.md): This article covers how to configure BLF on Virtual Multi-Purpose Key of Grandstream IP phone
- [How to configure Intercom/Paging](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-configure-intercom-paging.md): This page covers how to configure Intercom/Paging features in VOIPnow
- [How to configure TLS and SRTP on VOIPnow and Grandstream Phones](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-configure-tls-and-srtp-on-voipnow-and-grandstream-phones.md): Secure SIP protects SIP messages by encrypting them over a TLS (Transport Layer Security) channel using a security certificate. Secure RTP (Real-time Transport Protocol) provides encryption, message a
- [How to give end customer an access to VOIPnow to view/manage the CDR and Call recordings](/support/services/voice-over-ip-voip/general/voipnow-guides/how-to-give-end-customer-an-access-to-voipnow-to-view-manage-the-cdr-and-call-recordings.md): This article covers how to give end customers an access to VOIPnow to view/manage the CDR and call recordings
- [Getting Started with your VoIP Reseller Account](/support/services/voice-over-ip-voip/general/voipnow-guides/getting-started-with-your-voip-reseller-account.md): This guide runs through getting started with your Wholesale VoIP Reseller Account
- [Number Porting](/support/services/voice-over-ip-voip/number-porting.md): Everything you need to know on Number Porting
- [Can I port my existing phone numbers over?](/support/services/voice-over-ip-voip/number-porting/can-i-port-my-existing-phone-numbers-over.md)
- [How do I port numbers over to Hosted Network?](/support/services/voice-over-ip-voip/number-porting/how-do-i-port-numbers-over-to-hosted-network.md)
- [Reasons for Number Port Rejection](/support/services/voice-over-ip-voip/number-porting/reasons-for-number-port-rejection.md)
- [Troubleshooting](/support/services/voice-over-ip-voip/troubleshooting.md)
- [VoIP Troubleshooting Guide](/support/services/voice-over-ip-voip/troubleshooting/voip-troubleshooting-guide.md): This support article contains a few steps/tricks to help resolve some of the more common VoIP Issues that may occur, it is designed to try and help partners diagnose and/or resolve VoIP issues quickly
- [VoIP Fault Guide](/support/services/voice-over-ip-voip/troubleshooting/voip-fault-guide.md): This support article contains a guide on what information Hosted Network support will need from you (the partner) when logging a VoIP fault.
- [SIP ALG and turning it off](/support/services/voice-over-ip-voip/troubleshooting/sip-alg-and-turning-it-off.md): What is SIP ALG and why do we recommend that you turn it off?
- [Emails from VoIPNow going to SPAM](/support/services/voice-over-ip-voip/troubleshooting/emails-from-voipnow-going-to-spam.md): This article explains how to stop emails sent from your VoIPNow account going into your SPAM folder.
- [Technical References](/support/services/voice-over-ip-voip/technical-references.md)
- [SIP Trunk Requirements: Ports, Protocols, and Codecs](/support/services/voice-over-ip-voip/technical-references/sip-trunk-requirements-ports-protocols-and-codecs.md): This article outlines the essential requirements for SIP trunks
- [How much bandwidth do I need for VoIP?](/support/services/voice-over-ip-voip/technical-references/how-much-bandwidth-do-i-need-for-voip.md)
- [Grandstream Device Management System (GDMS)](/support/services/voice-over-ip-voip/technical-references/grandstream-management-portal.md)
- [How to login to the GDMS platform](/support/services/voice-over-ip-voip/technical-references/grandstream-management-portal/how-to-login-to-the-gdms-platform.md): This is article covers how to log in using your GDMS account
- [How to run diagnostic tests within the GDMS](/support/services/voice-over-ip-voip/technical-references/grandstream-management-portal/how-to-run-diagnostics-on-phone-in-gdms.md): This article runs through some of the diagnostic capabilities of the Grandstream Device Management System and how to access them.
- [How to add a site and move a VoIP Device into it](/support/services/voice-over-ip-voip/technical-references/grandstream-management-portal/how-to-add-a-site-and-move-a-phone-into-it.md): This article goes over how you can add a site to the GDMS platform and move a VoIP device into it, essentially associating it with a customer
- [How do I add/remove users from the GDMS Portal?](/support/services/voice-over-ip-voip/technical-references/grandstream-management-portal/how-to-get-a-new-user-added-to-the-portal.md): This article covers how partners can give additional users access to the GDMS to manage the phones and carry out troubleshooting
- [Best Practice Guidelines](/support/services/voice-over-ip-voip/technical-references/best-practice-guidlines.md): Guidelines on how to improve the uptime/stability of their services by implementing redundant links and failover options.
- [Best Practices to Protect You from Toll Fraud](/support/services/voice-over-ip-voip/technical-references/best-practices-to-protect-you-from-toll-fraud.md): This page provides information on how to prevent toll fraud
- [Brand Specific Guides](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides.md): This section contains guides and information for the various SIP Phone brands.
- [NetComm Router/ATA](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/netcomm-router-ata.md)
- [How to register VOIPnow extension to NetComm device (NL1901ACV)](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/netcomm-router-ata/how-to-register-voipnow-extension-to-netcomm-device-nl1901acv.md): This article covers how to configure NetComm devices
- [Cisco](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/cisco.md)
- [SPA112 - Fax Settings](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/cisco/spa112-fax-settings.md)
- [Grandstream](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets.md): Hosted Network supply Grandstream handsets with our VoIP Bundles, you may find the following manuals useful.
- [How to enable TLS encryption on Grandstream phone](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/how-to-enable-tls-encryption-on-grandstream-phone.md): This article covers how to configure TLS on your Grandstream Phones
- [Upgrading the firmware on Grandsteam phones](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/upgrading-the-firmware-on-grandsteam-phones.md)
- [Setting up voicemail on the DP720 (Cordless Handset)](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/setting-up-voicemail-on-the-dp720-cordless-handset.md): This article covers the setup of voicemail on the DP720 cordless handset.
- [How to setup a VoIP Account on a Grandstream phone](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/how-to-setup-a-voip-account-on-a-grandstream-phone.md): A guide on how to setup a Hosted Network VoIP Extension on a Grandstream phone.
- [Grandstream GXP2140 Voicemail](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/grandstream-gxp2140-voicemail.md)
- [Setting up Monitored Call Parking](/support/services/voice-over-ip-voip/technical-references/brand-specific-guides/grandstream-handsets/setting-up-monitored-call-parking.md)
- [Managing Call Diversions for DID Numbers (AudioCodes SIP Trunks)](/support/services/voice-over-ip-voip/technical-references/managing-call-diversions-for-did-numbers-audiocodes-sip-trunks.md)