Retail Switch with Shadow Billing Forums › Forums › Voip Business › Retail Switch with Shadow Billing This topic has 0 replies, 1 voice, and was last updated 7 years ago by Maria. Viewing 0 reply threads Author Posts April 14, 2017 at 10:21 am #12041 Reply MariaGuest Retail Switch available with Calling Card, Call Back & Shadow Billing Feature !! Starting at $300 FREE DEMO 24/7/365 TECH SUPPORT Email: maria@c4switch.com Skype: Mahek.crystallite Whatsapp: +447466121683 Author Posts Viewing 0 reply threads Reply To: Retail Switch with Shadow Billing Your information: Name (required): Mail (will not be published) (required): Website: Cancel Submit Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)