Set Phone Call Authentication to eSign
How to set phone authentication with airSlate SignNow
Make sure your documents are signed by authorized parties only. With phone call authentication, your recipients will be able to sign your documents only after receiving an automated phone call to their number.
Customize your signer invitation
Click Invite to Sign next to a document you need to send for eSignature.

Enter your signer’s email address and customize an invitation subject line and message. Add CC (carbon copy) recipients if you need other parties to receive signed copies of your document. Then, click Advanced Options.

Set two-factor authentication
In the Advanced Signer Settings section, click on the No Authentication dropdown and select Phone Call.

Enter your signer’s phone number and set the expiration date for the document. You can also schedule signer reminders to make sure your document is signed on time. Once finished, click Send Invite to send out your signature request.

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Protect your documents with the set phone call authentication feature in airSlate SignNow
Managing deals electronically is fast, easy, and cost-effective. But you've already heard all this. What really matters is safety. Hundreds of companies are exposed to cyber attacks every day, so it's important to ensure that your document management and eSignature solution is secure and well-protected.
airSlate SignNow complies with GDPR, 21 CFR Part 11, SOC 2 Type II certification, and other national and international regulations. That means the service processes and stores your personal data according to the global standards. Moreover, the service provides you with beneficial features, such as the set phone call authentication tool for further protecting your data and records. Look at the guidelines below to handle your deals online safely.
How to use the set phone call authentication option:
- Open the document that you want to encrypt.
- Start editing and add fillable fields for an eSignature, date and text or other attachment (such as a photo).
- Insert your information and eSign the template if needed.
- When the editing is over, click Invite to Sign, and the changes will be saved automatically.
- Enter the recipient's email address and customize a message for them if you want.
- Click Advanced Options below to level up protection.
- In the Authentication field, select the method that suits you and your customer or partner (via a call, SMS, or password).
- Note, if you choose password authentication, you'll need to share it with your recipient directly.
- Set an expiration date and send the invitation.
- Remember to exit the app when finished or set up automatic logout.
Transferring documents through airSlate SignNow is safer than delivering them physically. You can also check your Document History whenever you want to know who opened and signed a PDF and when they did it. Find out how to improve security and protect your contracts, agreements and invoices with airSlate SignNow. Try out the set phone call authentication feature now and create a reliable eSignature workflow for any department, including HR, IT, Finance, in just clicks!
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Electronic Signature FAQs
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Is it secure to send documents for signing via airSlate SignNow?
Yes. In addition to the advanced encryption protocols for data storage and transmission maintained by airSlate SignNow, you can also add an extra layer of protection to any document you send. For example, users can enable signer authentication by password, phone number, or phone call. -
Is it safe to store and manage my documents in airSlate SignNow?
Absolutely! airSlate SignNow maintains industry-leading security and ensures that your data is safely stored and shared in compliance with HIPAA, GDPR, 21 CFR Part 11, PCI DSS, SOC 2 Type II. -
What is two-factor authentication?
Two-factor authentication allows you to protect your documents from unauthorized access and make sure they are signed by the right people. With airSlate SignNow, you can authenticate signers by password, phone number, or phone call. -
How do I send a document for eSignature?
Upload a document to airSlate SignNow and open it in the editor. Select Signature Field in the left-hand sidebar and click anywhere on the document to place a signature field. Then, click Invite to Sign in the top right corner of the screen, enter the recipient’s email address, and hit Send Invite. -
What is a carbon copy (CC) of a document?
A carbon copy is a signed copy of a document you can automatically send to the parties concerned. When sending documents for signing with airSlate SignNow, enter your CC recipients’ email addresses in the CC field, and all these contacts will receive their copy once the document is signed. -
Can I change a document's expiration date after sending it?
Yes, click on the signer’s email address below a sent document’s name and then select Change Expiration from the dropdown. -
How do I set a reminder for signers to complete my document?
When sending your documents for signing, click Advanced Options at the bottom of the from-to form. You will find the reminder parameters in the Advanced Signer Settings section below.
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