SMS Settings
You can subscribe to an SMS provider to send SMS to mobile numbers.
Contact an SMS Gateway Provider that offers an HTTP API if you want to integrate SMS into Geer ERP. Your account will be created, and they'll give you a special username and password.
Go to: to view SMS settings.
Home > Settings > SMS Settings
Learn about their HTTP API in order to configure SMS settings in Geer ERP (a document which describes the method of accessing their SMS interface from 3rd party applications). You will find a URL in this document that may be used to send SMS messages via HTTP request. You can set up SMS Settings in Geer ERP using this URL.
Example URL for SMS Gateway:

Note: For SMS Gateway URL, only include the string before the "?".
Example:
http://instant.smses.com/web2sms.php?username=abcd&password;=abcd&to;=9900XXXXXX&sender;
=DEMO&message;=THIS+IS+A+TEST+SMS
The aforementioned URL will send an SMS from the account abcd to the cellphone number 9900XXXXXX with the words "THIS IS A TEST SMS" as the text message body.
Keep in mind that the URL contains certain static parameters. Your SMS provider will send you static values like usernames and passwords, etc. The Static Parameters table should have these static values.

How to configure Geer ERP with Voip.ms
Logging into your voip.ms account comes first. then select REST/JSON API, SOAP, and Main menu. Set a password, enable the API, and add your server's IP address to the whitelist.
Go to DIDs and enable SMS on the phone number that will send SMS messages.
Specify https://voip.ms/api/v1/rest.php as the SMS Gateway.
Establish the message parameter.
DST Receiver Parameter
Add four new static parameters:
- (Voip.ms account username) api username
- api password (the API password configured several minutes ago) (the API password configured few minutes ago)
- method set sendSMS as the value
- did (the 10 digits DID that will be used to send the sms) (the 10 digits DID that will be used to send the sms)

Visit SMS Center next to see if everything is functioning as it should.