We run a customized Asterisk Server (version iis 22.214.171.124) with Asterisk 2 Billing (1.3.4).
There are numerous customized applications running on those server with which the new service provider will need to become familiar with. THose include Email Callback, SMS Callback, Localized dialing conversion and more.
We need ongoing support (retainer) and new projects:
Integration by XML with external credit card systems and other proprietary systems - for the purpose of automating billing and credit card transactions.
Please do not respond unless you have years of experience with Asterisk and:
Years of experience programming PHP
Intimate familiarity with a2b
Very good understanding of VoIP, Codecs, termination.
Proven track record with integration projects with external systems using XML