Configuration Guides

How do I configure a 3CX PBX for SIP Trunk Plus?
This FAQ shows the configuration requirements for a SIP Trunk Plus SIP trunk.  Before starting you will need to have the details emailed to you when you s...
Fri, 6 May, 2016 at 4:30 PM
How Do I Configure a Zultys PBX for SIP Trunk Plus?
This FAQ shows the configuration requirements for a SIP Trunk Plus SIP trunk. Before starting you will need to have the details emailed to you when you s...
Wed, 19 Aug, 2015 at 9:57 AM
How Do I Configure A 'SIP Client' Account On A Handset?
A remote / home user, for example, may require simple inbound and outbound calls via a single device / handset: in this case configure a 'SIP Client&#x...
Wed, 19 Aug, 2015 at 10:03 AM
What Do I Need To Do To Make Best Use Of ST+ Auto-failover?
The SIP Trunk Plus service includes a built-in auto-failover feature which means that if the set of servers in our primary data centre cannot be reached / a...
Fri, 28 Aug, 2015 at 4:01 PM
DNS Record Settings & DNS Caching
Our domain/realm is sip.sip-trunking-services.com but you have the option instead of using your own domain DNS C NAME record that points to sip.sip-trunk...
Mon, 2 Nov, 2015 at 1:46 PM
Registration Timeout Settings
We recommend best practise by setting a short registration timeout trunk setting to make best use of our auto-failover facility so we recommend that you set...
Fri, 21 Aug, 2015 at 12:12 PM
Recommended DNS / Name Servers
A good internet service provider (ISP) will should dynamically update their DNS records but some may not.  If you do not know if your ISP caches DNS records...
Mon, 2 Nov, 2015 at 1:44 PM