This is a list of new features in Enswitch 4.1. It is not exhaustive; some enhancements are too minor to list. A full list of features can be found on enswitch.com.

Telephony

• Speech recognition for IVR menus and dial by name.
• Calls that have already been answered can be picked up.
• Queues can play the expected wait time.
• Hunt groups can have separate destinations for all busy or all unregistered.
• Ordinary users can change their callerid if allowed.
• Individual telephone lines can have DTMF transfers enabled or disabled.
• Handsets can monitor multiple mailboxes for MWI.
• Call recordings can be paused and resumed via DTMF and SIP INFO.
• Confirmation emails of outbound faxes can be sent, showing the status of the sent fax.
• Time groups can be shared with sub-customers.
• Rate plan routing exceptions can route on callerid.
• Individual peer costs can allow or disallow least cost routing.
• Provisioning returns an HTTP 404 error if the MAC address is not found.
• Provisioning can have a password in the URL.
• Extra debug logging for ask web URL, MWI, busy lamps, and text messages.

Web interface and administration

• The add user wizard can be used without creating a person.
• Users' passwords are always encrypted.
• Passwords must be seven characters or longer by default.
• Users are locked out after six incorrect passwords by default.
• Usernames can be forbidden in users' and telephone lines' passwords.
• Passwords can be validated against an external validation service.
• Credit card details are hidden on the web after saving them.
• Non-error messages on the web interface are now pop-ups that disappear after a short time.
• The control panel is faster and places less load on the database server when used by many users.
• Call costs can be hidden if billing is not configured.
• Inbound groups can be searched for specific numbers.
• The call history can show either calls or call legs.
• Ordinary users can see all the legs of a call in the call history if to or from a telephone line they own.
• The call history can be filtered on non-internal calls.
• Charges can be filtered on a variety of fields.
• Individual DNS domains can allow or disallow signup.
• Audit log data can be exported.

Billing and payments

• Credit card verification numbers are never stored.
• Credit card details are removed from customers' accounts when changing their billing type to none.
• Credit card details are not included by default in customer exports.
• Updates to customers' credit cards can be pulled from Authorize.net, ensuring their credit cards never expire.

APIs

• The JSON API can accept token authentication, speeding it up and reducing load on the database server.

System management

• Individual Asterisk machines can be set to audio, video, or both.
• Logging can be flexibly configured to log to arbitrary files, or syslogd, in any desired format.