When we put a call on hold using out asterisk server the Music on hold would chop in and out.
We found this choppiness only occurred using Pennytel and Engin, other VOIP providers the MOH was smooth.
Try this:
Make sure you’ve compiled zaptel and have ztdummy loaded.
Login to the server. If connecting from a windows system you [...]
Configuring Pennytel as a VOIP provider
After the intial 3CXÂ install see http://technicians-blog.kingcomputer.com.au/index.php/installing-windows-3cx-voip-telephone-system-with-pennytel-part-1/
 Highlight VOIP providers and on the toolbar click Add Provider. Fill out the details for your pennytel account as shown. Make sure you have a trunk service from pennytel, otherwise you will only get one call in or out at a time. I set the [...]
I have been configuring a 3CX Windows Voice over IP phone system. We use an Asterisk VOIP system in the office but I thought I would have a look at windows based VOIP system. 3CX offer a free edition for up to 4 simultaneous lines, but the enterprise version for more lines is still under [...]
