If you have any problems related to a particular DID number, click on CONTACT US after logging into your account. Please remember that DIDX is for SERVICE PROVIDERS and CARRIERS only and if you need professional support in regards to configuring your soft switch you will need to contact your soft switch or PBX vendor. Related Links: www.digium.com www.asterisksupport.com Sample Configurations: Sample Settings for Asterisk. Support Frequently Asked Questions: Q. I am Getting 1 way audio, my asterisk is fine i think, how do i check if the did is bad? Ans: You can receive the call of that did on freeworlddialup and check it. 1. Signup for a www.freeworlddialup.com account. 2. Route your did to your freeworld dialup account i.e. 123456@fwd.pulver.com 3. Call the did we have provided to you. 4. Talk on it, and you will be able to check the voice both ways .