I am looking for an expert to help me develop a paypercall application,once you indicate you are an expert i will discuss the project further with you.
7 freelance font une offre moyenne de $729 pour ce travail
I am the most expert expert on here. I have built two pay-per-call applications. See private message.
Please see PM and let me know about scope of project Canadian Freelancer with 12 years Telephony Experience
I'm a Digium Certificated Asterisk Professional(DCAP) I'm interested in you project, can you send me details? Thank you
knowledge in following fields trixbox,piaf,asterisk API by php and freepbx,a2billing. api of didww,callkey,paypal etc. customization of freepbx modules like "findmefollow","voicmail","backup", a2billing with ARI Plus