SIP IP Based Auth - Action Required - Important upgrades to our voice platform
Posted by Jay Wattage on 18 April 2019 11:12 AM

We’re upgrading our voice platform

Please read this article if you have a SIP trunk (IP Based Auth) voice services with Voyager as it contains important information regarding an upgrade to our voice platform and software that may affect your services, and requires your review by 18th of April.
What’s happening
As part of our continued improvements to our voice platform, we have installed new and upgraded infrastructure around the country. In addition, we have upgraded the software to the latest version which will provide some bug fixes and new feature capability to allow us to continue to develop and offer new features in the future.
The next step is for us to migrate customers onto the new upgraded voice platform. We are targeting mid-May for the migration and there are some changes that you need to be aware of to ensure the smooth, uninterrupted migration of your voice services.

Please review the following information and considering sharing with your IT service provider if you are unsure whether you might be affected by these changes.

What you need to know
The upgrade of the voice platform involves building new servers and migrating your services to these new servers. The servers are running on new network addresses and networks (IP Addresses).
In some cases, for extra security you may have a firewall that is configured to only allow voice services to the specific network addresses of our existing platform. If this is the case, and you do not have rules setup to allow for the new addresses when we migrate you, your voice services will be impacted.
Your IT technical contact should be able to tell you if you have any custom firewall rules setup to our existing addresses. If you do, then you will need to update your firewall with the new IP addresses as outlined below.
If you don’t believe you have any firewall rules setup then you can simple ignore this message and there should be no issue when migration occurs.

I have firewall rules, what do I need to change?
The current platform is in two diverse datacentres, and the new platform is in three, and includes the use of Anycast addresses.
If you currently have rules to allow voice from our platform, then you will need to add the following address ranges to the relevant firewall:
If you want a more granular firewall please see the following article: Firewall Requirements
For information on Anycast and how we are using it in the new platform, you can review this article: Anycast IP Addresses

SIP Trunks:
If you register your SIP trunk against a realm, then you shouldn’t need to make any changes, apart from checking that your firewall is correct for the new networks (as above). We will point your current realm to our default anycast address for SIP trunks.
If you register your SIP trunk against an IP address you will need to update this for the new endpoints for SIP.  In CVS there were two addresses, and 7.180.  In the new platform there are five possible anycast addresses. If your SIP device supports DNS SRV records we recommend that you use this method as it will automatically give you three geographically diverse endpoints (if your DNS is delegated to us). 
If you use an IP address based SIP trunk, we highly recommend you update to using DNS – as this enables more resiliency. Should you not be able to do so, please select from one of the following four addresses:

Primary SIP Trunk Anycast:
Geographical SIP Trunk Anycast (select one): (Auckland) (Wellington) (Christchurch)
These endpoints will be available to test against shortly.  Once setup, they will work for answering an IP based auth, but will fail until such time as your accounts are fully copied across.  We recommend you pre-setup these new endpoints, and flick over to the new trunks once your migration has completed. 

Let us know if you need help
In the first instance, please share this information with your IT service provider if you have one, as they will be familiar with your local setup and will be able to advise you if any changes are required. Alternatively, if you need more information or assistance, you can call our support team on 0800 477 333.

Please aim to have completed any checks by 18th April, so that you are migration ready, or if you have any issues, detail as much information as possible and send an email to and we will answer you as soon as possible.
We will send a further update closer to migration time, so that you are aware when your services will be migrated.

Thank you for your continued support

Warm Regards,
The Voyager Team.