What is DDI dual parenting?

Skip to page navigation
Skip to page contents
Skip to footer

Dual parenting enables Direct Dial In (DDI) to continue operating if your local exchange processor fails. It can be delivered using either diverse routing or the normal ISDN30 route to the local exchange and then re-routing half on to a second local exchange.

Print this answer
Email this answer

Email sent

An email has been sent to with a link to this article.

Email this answer

Recipient's email address Recipient's email address

Your details Your name Your email address Optional message
Email me a copy

How well did this answer your question?

Rate answer 1 of 5 Rate answer 2 of 5 Rate answer 3 of 5 Rate answer 4 of 5 Rate answer 5 of 5

We value your comments. Please let us know what you think so that we can continue to improve our site.

If you need us to reply, please use Contact us instead.

Forum topics

Need to relocate BT Pole? By markp
BT local business Guildford By BTLBGuildford
BT PC Fax By Fiona

Contact us

Can't find what you're looking for on here? Contact us to seek further help

BT Business site map

Broadband & Internet

Domains & web hosting

Phone
services

Data & voice networks

IT Solutions

Mobile
services

Sorry for interrupting your journey

We're working on improving our website so you get the information you want quickly. Please help us by providing your phone number. We apologise for the short delay and thanks for your patience.

Sorry for interrupting your journey

We're working on improving our website so you get the information you want quickly. Please help us by providing your phone number. We apologise for the short delay and thanks for your patience.