Terms & Conditions Annex IP Voice Services Service Specific Terms and Conditions for IP Voice Services provided by the Company INTRODUCTION 1. Definitions - additional to those in the Main Terms and Conditions a. IPVS Means IP Voice... Read More

Introduction This document provides a list of the Authorised Equipment, that BT Wholesale (BTW) support for use on IP Voice Services (IPVS). This list includes the following device types: IP Phones IP Phone Side Cars Analogue Terminal Adaptors ... Read More

Common Questions For all those frequently asked questions around IPVS support and provisioning. Do I have to dial 9 for external line? Experiencing one way audio Is it possible to have a group mailbox How do I access my voicemail What numbers are... Read More

      Important information for customers migrating from the IPVS service to the new updated IC-talk 3 service.     Contents Overview.. 1 Leading up to the migration. 1 Firewall settings / security guide. 2 Company... Read More

Overview On IC-talk HC Chan_SIP is the preferred option for an extension please DO NOT use PJSIP or other options unless specifically instructed to do so for a specific item. The default port number will be 5160 for Chan_SIP. This guide walks... Read More

    Description Provides a user with a personal voicemail service which allows them to listen to their voicemails from any phone, any internet browser or any email client. Function Provides the user with the ability to have unanswered calls... Read More

Terms & Conditions Annex Domain Name Services Service Specific Terms and Conditions for Domain Name services provided by the Company Definitions - additional to those in the Main Terms & Conditions  "Domain Name" means a unique URL as... Read More

NOTE this article is now old and the below is for legacy reference for the older devices, most newer devices or updated firmware now support these services but please check or use the list below for guidance as to things perhaps to look out for;... Read More

Answer Confirmation Description This feature enhances the existing Simultaneous Ring, Sequential Ringing and Call Director features to (optionally) prompt the called party (you or employee) to enter a digit to confirm the acceptance of the call.... Read More

SIP Response Codes 1xx—Provisional Responses 100 Trying ExtendedThe search being performed may take a significant time so a forking proxy must send a 100 Trying response. 180 Ringing DestinationUser agent received INVITE, and is alerting user... Read More