How to Enable CNAM on DID

DIDForSale leader in Origination and Termination SIP trunking services, offers the largest Coverage in US, UK and Canada, now offers E911 service for the DIDs purchased through us. Here are easy steps to enable CNAM to your DIDs Login in your webportal at...

How to Enable E911

DIDForSale leader in Origination and Termination SIP trunking services, offers the largest Covergae in US, UK and Canada, now offers E911 service for the DIDs purchased through us. Here are easy steps to enable E911 to your DIDs E911 service is available only in USA...

Asterisk DTMF issues

Its a common issue with asterisk as it sometimes wont pass dtmf properly. To solve the issue first we need to check the network have sufficient bandwidth, if bandwidth is sufficient then we need to add below parameters on all didforsale trunks. Note that if you are...

Choppy lines or call breaks on asterisk

Choppy line is a common problem when we use sip signaling. The main reasons for the issues are Bandwidth, Codec, Lots of SIP trunks registered, Jitter. Basic checklist for Choppy Lines Check the Codec ULAW, ALAW or G729 is allowed on your trunks,If allowed try to use...