To Map, your DLT Entity with DLT approved Header(Sender ID), login to your registered DLT platform and copy your Registration/Entity/PE Id (Not Header Id) - https://help.msg91.com/article/370-find-your-dlt-entity-pe-id
Then, log in to the MSG91 panel and map each of your Header (Sender Id) with your unique DLT Registration/Entity/PE Id (Not Header Id), issued by the Telecom Operator upon DLT registration.
1. To Edit existing Header (Sender Id)]
Login to MSG91 and go to configuration section >> Sender Id >> Action >> Add your DLT Registration/Entity/PE Id (Not Header Id) against each of your Header (Sender Id).
2. To Add a new Header (Sender Id)
Kindly login to MSG91 and go to configuration section >> Add Sender Id >> Select Country >> Add Registration/Entity/PE Id ( In case you want to send SMS to India) >> Add DLT approved Sender Id >> Click on "save sender ID"
If you are unable to add the DLT Registration/Entity/PE Id on MSG91 panel, kindly fill this form and we will add the Id on your behalf- http://9m.io/6Cd3
1. If you have still not registered on DLT, kindly register now, else your SMS will not be delivered. Check this process doc- https://help.msg91.com/article/340-dlt-registartion-entity
2. If you are a Reseller, kindly share this Whitelabel Doc with your clients- http://9m.io/6mrg