Sms gateway for wordpress

CLOSED
Bids
30
Avg Bid (USD)
$782
Project Budget (USD)
$250 - $750

Project Description:
Job Description

I am looking for a bulk sms wordpress plugin developer.

Please read ALL of this project description and follow instruction to include word mentioned in your proposal or your submission will be ignored.

The plugin will need to work on a wpmu installation.

The concept will be:
The client visits the main site and subscribes to a level of service providing him with a subdomain site or number of sites , and automatic limit to the number of sms credits, depending on the level of subscription. Subscription renewal and paypal intergration should allow for monthly, quarterly and annual plans. Each created subdomain site will be a clone of a base template with example content and styling. The client management interface should appear within the individual subdomain site dashboard.

The client features available should be the fairly standard range of sms options.
Abilty to select single number and set keywords
Single or bulk messages.
Scheduled or immediate send.
Ability to set groups.
Ability to add customers manually, by web form, standard sms or call registration and short code.
Autoresponder for subscribe, unsubscribe, correct and incorrect short code.
Sms reporting and credit balance.
Ability to purchase top up credit packs prior to renewal time.

Base service should run through twilio with backup use of tropo in countries where local numbers are not supported by twilio.
Client should be able to set local customer timezone and broadcast times are based on this rather than server timezone.
System should automatically identify customers country code and parse leading zeros in or out as necessary.

Administration controls are to be based on main site with full control of all client features. Usage reporting and usual setup and management of clients. Package setup and limits need to be managed and set to allow subdomain creation limits, sms limits, pricing, topup credit package and pricing. Payment management and subscriptions will be through PayPal .

The overall operation and creations of client accounts needs to be automated and driven by the clients sign up and not require admin intervention to activate.

If you are interested in applying for this job you will need to be able to provide examples of previously completed project of a similar nature. Please include the word vanilla in the first sentence of your submission, sorry this is to help rule out bot applications and those that cannot follow a basic instruction.

This is initial spec and future development modification and work is likely be ongoing for right candidate.

Additional Project Description:
10/31/2013 at 8:12 EDT
Example of existing plugin with similar required functionality is ultrasmsscript.com
Also encrypted source code must be released by successful bidder at completion of project.

Skills required:
CSS, MySQL, PHP, Software Architecture, Wordpress
About the employer:
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