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Completing the Letter of Authority
One of the most important parts of any number port is the Letter of Authority, or LoA. This document, signed by the end-user, authorises you to transfer the number from the end-user's current provider.
The document also serves to provide the necessary detail that Dial 9 require, to be able to submit the port on your behalf.
A number of aspects must be carefully checked and completed, and we generally recommend that you offer to complete the form on behalf of the end-user, before providing it to them to check and sign.
It may be useful to ask for a bill from the end-user, to help ascertain the correct details, in particular the current provider's address, and the address for the end user, that the current provider has on file.
You are welcome to amend the LoA to include details that might be useful to you, or to add your own branding, however the information provided in the industry standard document should be completed and followed as stated.
You can also run through our Interactive CLoA which will provide details about each field to complete, in turn.
Current Retailer
This will contain the name, address and a contact email for the losing provider. Typically, you will be able to find this on a bill or invoice from the end-user.
New Retailer
As you will be the end user's new communications provider after the port has completed, you will add your name and address in this section.
The contact email would normally be an email address that you use to discuss porting with your customer, it may be advisable to create a dedicated "porting@" email address, or similar, and also add it to your Dial 9 account as a contact, and we can send all updates about ports there while a port is being processed.
Site address registered against numbers
This would be the current address that the losing provider holds on file for the end-user. This is one of the most important parts of the LoA, as this address is what the losing provider will use to validate the port.
In the case of a physical installation (i.e a BT line or ISDN circuit), you would enter the address that the line is installed at.
Otherwise, for a VoIP service, it would normally be the end-user's billing address.
Numbers to be ported
This section must contain all numbers to be ported. In the case of a sequential block of DDI (Direct Dial In) numbers, the entire block must be entered, even if the end user only ultimately wants to use part of it. DDI ranges must always be ported between providers in their entirety, including if the end-user decided to port away from you in future.
It may be possible to split the block up into smaller sets, but this would need to be approved by, and arranged with the Losing Provider and Range Holder before we go ahead with the port request.
If you are porting a large set of numbers for the end-user, you can add additional numbers on a continuation sheet.
MBN - Main Billing number
This would be the main number in use with the current provider. If the end-user only has one number, this will be the MBN.
Otherwise, for ports with multiple numbers, the end-user may need to confirm with the current provider which number is the MBN. More often than not, the MBN will be the main number that the end-user advertises for their business, and any associated numbers might be a series of DDI numbers.
Dial 9 can port some and not all the numbers currently in service with their provider, for more information on this please see our multi-line porting guide.
Customer's Company Details
This would normally be either the customer's company registered address, or their billing address on file with the current provider.
This address is not directly used in the port, and it can be different from the site address, especially in cases where the numbers are in use at a different location to the main company address.
Requester's details
The end-user must sign this port request, with a signature from an authorised member of their company being required. For a Letter of Authority to be accepted, it would need to either be wet signed, or digitally signed using a tool such as Adobe Sign, and have the associated audit page.
They should sign, print and date the LoA as a minimum, but they can include a Job title and Email if they wish.
The page number can just be set as 1 of 1 if you are only using a single page, otherwise it is required when using continuation sheets in the case of larger scale ports. When using continuation sheets, they must also be signed and dated, in the same way, by the end user.
The LoA is then valid for 6 months from the date entered by the end-user.