The `contact_number`, `title`, `contact_emails`, and `loa_authorizing_person` fields are now supported in the SMS Campaigns phone number management APIs, enabling more detailed campaign contact information.

New request fields added to SMS Campaigns APIs


## Enhancements
- New `contact_number,title,contact_emails,loa_authorizing_person` request fields in the following  **SMS Campaigns** APIs:
	- `POST /v2/accounts/{accountId}/number_management/sms_campaigns/{smsCampaignId}/phone_numbers`
	- `POST /v2/number_management/sms_campaigns/{smsCampaignId}/phone_numbers`
