> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.ecall-messaging.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Available Formats

# Available Formats

* Reciever in To/CC field

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Reciever in "Subject:" field

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* List of recipients

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Push-receiver in 'To:'-box

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Forwarding

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Numbers in 'To:'-box for fax messages

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Numbers in 'Subject:'-box for fax messages

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)

* Numbers in 'To:'-box for voice messages

[Learn more >](/en/article/ecall-send-order-by-e-mail-yxwp08/)